Publications

A1

Experimental investigation of pyrolysis and char burnout kinetics in a Well-Stirred-Reactor under flames and burn-out conditions

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A2

Experimental Investigation of Pyrolysis and Char Burnout Kinetics in a Plug Flow Reactor with Focus on the Ignition and Early Char Burnout Phase

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A3

Experimental determination of reaction kinetics for the release of chlorine and sulfur species and for the conversion of these species in the gas phase

  • Frigge, L., Elserafi, G., Ströhle, J. and Epple, B.Sulfur and Chlorine Gas Species Formation during Coal Pyrolysis in Nitrogen and Carbon Dioxide Atmosphere, Energy & Fuels, 30 (9): 7713-7720, 2016.

  • von Bohnstein, M., Langen, J., Frigge, L., Stroh, A., Ströhle, J. and Epple, B.Comparison of CFD Simulations with Measurements of Gaseous Sulfur Species Concentrations in a Pulverized Coal Fired 1 MWth Furnace, Energy & Fuels, 30 (11): 9836-9849, 2016.

  • Frigge, L., Ströhle, J. and Epple, B.Release of sulfur and chlorine gas species during coal combustion and pyrolysis in an entrained flow reactor, Fuel, 201: 105-110, 2017.

  • Frigge, L., Ströhle, J. and Epple, B.Modification of a model for sulfur release during coal pyrolysis to account for oxy-fuel conditions, 2nd International Workshop on Oxy-fuel Combustion, 2018.

  • Debiagi, P. E. A., Coskun, Y., Ströhle, J., Epple, B., Faravelli, T. and Hasse, C.Validation of a comprehensive kinetic mechanism for sulfur release during pyrolysis of solid fuels, 9th International Symposium on Coal Combustion, 2019.

  • Debiagi, P. E. A., Yildiz, C., Richter, M., Ströhle, J., Epple, B., Faravelli, T. and Hasse, C.Experimental and modeling assessment of sulfur release from coal under low and high heating rates, Proceedings of the Combustion Institute, 2020.

  • von Bohnstein, M., Yildiz, C., Frigge, L., Ströhle, J. and Epple, B.Simulation study of the formation of corrosive gases in coal combustion in an entrained flow reactor, Energies, 13 (17): 4523, 2020.

  • Schmidt, D., Yildiz, C., Ströhle, J. and Epple, B.Release of nitrogen, sulfur and chlorine species from coal in carbon dioxide atmosphere, Fuel, 284: 119279, 2021.

  • Schmidt, D., Yildiz, C., Ströhle, J. and Epple, B.Experimental Assessment of the Release of Nitrogen, Sulfur and Chlorine Species During Pyrolysis of Coal and Biomass in CO2 Atmosphere, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Ontyd, C., Pielsticker, S., Yildiz, C., Schiemann, M., Hatzfeld, O., Ströhle, J., Epple, B., Kneer, R. and Scherer, V.Experimental determination of walnut shell pyrolysis kinetics in N2 and CO2 via thermogravimetric analysis, fluidized bed and drop tube reactors, Fuel: 119313, 2020.

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A5

Kinetic investigations of the effect of catalytically active minerals in biomassderived solid fuels on pyrolysis and char conversion under Oxy-Fuel conditions

  • Düdder, H., Wütscher, A., Stoll, R. and Muhler, M.Synthesis and characterization of lignite-like fuels obtained by hydrothermal carbonization of cellulose, Fuel (171): 54-58, 2016.

  • Düdder, H., Wütscher, A. and Muhler, M.Catalytic influence of minerals on the combustion behavior of a cellulose-derived solid fuel, [48th Jahrestreffen Deutscher Katalytiker, 11/03/2015 – 13/03/2015, Weimar, Germany], 2015.

  • Wütscher, A., Düdder, H. and Muhler, M.Synthetic Lignite-like Fuel for Oxy-fuel Combustion, [48th Jahrestreffen Deutscher Katalytiker, 11/03/2015 – 13/03/2015, Weimar, Germany], 2015.

  • Düdder, H., Wütscher, A. and Muhler, M.Experiments and kinetic modelling of char combustion, [European Symposium on Chemical Reaction Engineering, 27/10/2015 – 30/10/2015, Fürstenfeldbruck, Germany], 2015.

  • Düdder, H., Wütscher, A., Vorobiev, N., Schiemann, M., Scherer, V. and Muhler, M.Oxidation characteristics of a cellulose-derived hydrochar in thermogravimetric and laminar flow burner experiments, Fuel Processing Technology, 148: 85-90, 2016. doi 

  • Heuer, S., Senneca, O., Wütscher, A., Düdder, H., Schiemann, M., Muhler, M. and Scherer, V.Effects of oxy-fuel conditions on the products of pyrolysis in a drop tube reactor, Fuel Processing Technology, 150: 41-49, 2016. doi 

  • Düdder, H., Lotz, K., Wütscher, A. and Muhler, M.The influence of iron oxide on the oxidation kinetics of synthetic char derived from thermogravimetric analysis and fixed-bed experiments under isothermal and temperature-programmed conditions, Fuel, 2016.

  • Wütscher, A., Wedler, C., Seibel, C., Hiltrop, D., Fieback, T.M., Muhler, M. and Span, R.On the alternating physicochemical characteristics of Colombian coal during pyrolysis, Journal of Analytical and Applied Pyrolysis, 123: 12-19, 2017. doi 

  • Senneca, O., Vorobiev, N., Wütscher, A., Cerciello, F., Heuer, S., Wedler, C., Richter, M., Span, R., Schiemann, M., Muhler, M. and Scherer, V.Assessment of combustion rates of coal chars for oxy-combustion applications, 2nd International Workshop on Oxy-Fuel Combustion, Bochum, 2018.

  • Wütscher, A, Apicella, B, Russo, C, Stanzione, F, Ciajolo, A, Heuer, S, Scherer, V, Muhler, M and Senneca, OCharacterization of tar produced from walnut shells pyrolysis, 40th Meeting of the Italian Section of the Combustion Institute, Rome, 2017.

  • Graeser, P., Wütscher, A., Cerciello, F., Muhler, M. and Schiemann, M.Emissivity Comparison between Chars and Demineralized Coal Chars under Oxycombustion Conditions, Chemical Engineering & Technology, 2018. doi 

  • Senneca, O., Vorobiev, N., Wütscher, A., Cerciello, F., Heuer, S., Wedler, C., Span, R., Schiemann, M., Muhler, M. and Scherer, V.Assessment of combustion rates of coal chars for oxy-combustion applications, Fuel, 238: 173-185, 2019.

  • Lotz, K., Wütscher, A., Eckhard, T. and Muhler, M.The impact of mineral matter on the evolved pyrolysis gases, 2nd International Workshop on Oxy-fuel Combustion, 2018.

  • Düdder, H., Wütscher, A. and Muhler, M.Kinetic analysis of temperature-programmed and isothermal hydrochar oxidation experiments, 48. Jahrestreffen Deutscher Katalytiker, 2015.

  • Wütscher, A., Eckhard, T., Hiltrop, D., Lotz, K., Schuhmann, W., Andronescu, C. and Muhler, M.Nitrogen-Doped Metal-Free Carbon Materials Derived from Cellulose as Electrocatalysts for the Oxygen Reduction Reaction, ChemElectroChem, 1: 16064, 2018.

  • Wütscher, A., Düdder, H. and Muhler, M.Detailed Investigations on Particle Related Effects in Oxy-Fuel Coal Combustion: Pyrolysis, Char Burnout and Release of Sulphur and Chlorine Components, 1st International Workshop on Oxy-Fuel Combustion, 2016.

  • Senneca, O., Apicella, B., Russo, C., Cerciello, F., Salatino, P., Heuer, S., Wütscher, A., Schiemann, M., Muhler, M. and Scherer, V.Pyrolysis and Thermal Annealing of Coal and Biomass in CO2-Rich Atmospheres, Energy & Fuels, 32 (10): 10701-10708, 2018.

  • Lotz, K., Berger, C. M. and Muhler, M.Catalytic effect of iron phases on the oxidation of cellulose-derived synthetic char, Innovative Solutions for Energy Transitions: Proceedings of the 10th International Conference on Applied Energy (ICAE2018), 694-699, Elsevier, Amsterdam, 2019.

  • Lotz, K., Wütscher, A., Düdder, H., Berger, C. M., Russo, C., Mukherjee, K., Schwaab, G., Havenith, M. and Muhler, M.Tuning the Properties of Iron-Doped Porous Graphitic Carbon Synthesized by Hydrothermal Carbonization of Cellulose and Subsequent Pyrolysis, ACS Omega, 4 (2): 4448-4460, 2019.

  • Eckhard, T., Lotz, K., Pflieger, C., Vorobiev, N., Valentiner, S., Scherer, V. and Muhler, M.Hydrothermal carbonisierte mikrokristalline Cellulose als aschefreier Modellbrennstoff für Flachflammenbrenner, 29. Deutscher Flammentag, 2019.

  • Eckhard, T.Pyrolysis-GC/MS-GC/TCD: Analysis of broad product distributions evolving during coal pyrolysis, Pyrolysis GC-MS User Meeting, 2019.

  • Kreitzberg, T., Gövert, B., Pielsticker, S. and Kneer, R.CO2 and H2O Gasification under Chemically and Diffusion Controlled Conditions, Kapstadt, Südafrika, 2016.

  • Eckhard, T., Valentiner, S., Pflieger, C., Lotz, K., Schiemann, M., Scherer, V. and Muhler, M.The Catalytic Influence of Doped Metals on the Pyrolysis Product Distribution and Resulting Chars of Hydrothermally Derived Model Fuels, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Pflieger, C., Lotz, K., Hilse, N., Berger, C. M., Schiemann, M., Debiagi, P. E. A., Hasse, C., Scherer, V., Muhler, M. and Debiagi, P.Catalytic Influence of Mineral Compounds on the Reactivity of Cellulose-Derived Char in O2-, CO2-, and H2O-Containing Atmospheres, Fuel, 2020.

  • Eckhard, T., Wütscher, A. and Muhler, M.Simultaneous analysis of light gases and heavy pyrolyzates evolved from lignite and hard coal by pyrolysis--GC/MS--GC/TCD, Journal of Analytical and Applied Pyrolysis, 149: 104833, 2020.

  • Pflieger, C., Lotz, K., Eckhard, T. and Muhler, M.Reactivity of mineral-free and doped synthetic chars in O2-, CO2-, and H2O-containing atmospheres, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Senneca, O., Cerciello, F., Russo, C., Wütscher, A., Muhler, M. and Apicella, B.Thermal treatment of lignin, cellulose and hemicellulose in nitrogen and carbon dioxide, Fuel, 271: 117656, 2020.

  • Wedler, C., Lotz, K., Arami-Niya, A., Xiao, G., Span, R., Muhler, M., May, E. F. and Richter, M.Influence of Mineral Composition of Chars Derived by Hydrothermal Carbonization on Sorption Behavior of CO2, CH4, and O2, ACS Omega, 2020.

  • Apicella, B., Russo, C., Ciajolo, A., Cortese, L., Cerciello, F., Stanzione, F., Wütscher, A., Muhler, M. and Senneca, O.High temperature pyrolysis of lignite and synthetic carbons, Fuel, 241: 264-272, 2019.

  • Kreitzberg, T., Eckhard, T., Pielsticker, S., Muhler, M. and Kneer, R.Änderung von Struktur und Reaktivität durch Pyrolyse fester Brennstoffe, 29. Deutscher Flammentag, 2019.

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A6

Determination of excess-sorptive kinetics and equilibrium loadings of Oxy-Fuel gas components on solid fuels

  • Fieback, T. and Span, R.High Temperature Sorption Measurements for Determining Surface Effects of Solid Fuels, Energy Procedia, 61: 1501–1504, 2014.

  • Fieback, T. and Span, R.High Temperature Sorption Measurements for Determining Surface Effects of Solid Fuels, [The 6th International Conference on Applied Energy, 30/05/2014 – 02/06/2014, Taipei City, Taiwan], 2014.

  • Seibel, C. and Fieback, T. M.New sample carrier systems for thermogravimetric analysis under forced flow conditions and their influence on microkinetic results, Review of Scientific Instruments, 86 (9): 095104, 2015.

  • Seibel, C., Wedler, C., Vorobiev, N., Schiemann, M., Scherer, V., Span, R. and Fieback, T. M.Sorption measurements for determining surface effects and structure of solid fuels, Fuel Processing Technology, 153: 81-86, 2016.

  • Wedler, C., Fieback, T. M. and Span, R.Sorptionskinetische Untersuchungen von Oxyfuel-Gaskomponenten an Festbrennstoffen, ProcessNET/VDI. Thermodynamik-Kolloquium, Kaiserslautern, 2016.

  • Senneca, O., Vorobiev, N., Wütscher, A., Cerciello, F., Heuer, S., Wedler, C., Richter, M., Span, R., Schiemann, M., Muhler, M. and Scherer, V.Assessment of combustion rates of coal chars for oxy-combustion applications, 2nd International Workshop on Oxy-Fuel Combustion, Bochum, 2018.

  • Schiemann, M., Wedler, C., Vorobiev, N., Richter, M., Span, R. and Scherer, V.Effektive Diffusionskoeffizienten in Kokspartikeln aus Oxyfuel-Feuerungen, 28th Deutscher Flammentag, Darmstadt, 2017.

  • Wütscher, A., Wedler, C., Seibel, C., Hiltrop, D., Fieback, T.M., Muhler, M. and Span, R.On the alternating physicochemical characteristics of Colombian coal during pyrolysis, Journal of Analytical and Applied Pyrolysis, 123: 12-19, 2017. doi 

  • Wedler, C., Richter, M. and Span, R.Integration of sorption kinetics in carbon conversion modeling for the description of oxyfuel combustion processes, Energy Procedia, 142: 1361-1366, 2017. doi 

  • Wedler, C., Arami-Niya, A., Xiao, G., Span, R., May, E. F. and Richter, M.Gas Diffusion and Sorption in Carbon Conversion.

  • Senneca, O., Heuer, S., Bareschino, P., Urciuolo, M., Pepe, F., Schiemann, M., Chirone, R. and Scherer, V.Fragmentation of pulverized coal in a laminar drop tube reactor: Experiments and model, Proceedings of the Combustion Institute, 2018.

  • Senneca, O., Vorobiev, N., Wütscher, A., Cerciello, F., Heuer, S., Wedler, C., Span, R., Schiemann, M., Muhler, M. and Scherer, V.Assessment of combustion rates of coal chars for oxy-combustion applications, Fuel, 238: 173-185, 2019.

  • Senneca, O., Apicella, B., Russo, C., Cerciello, F., Salatino, P., Heuer, S., Wütscher, A., Schiemann, M., Muhler, M. and Scherer, V.Pyrolysis and Thermal Annealing of Coal and Biomass in CO2-Rich Atmospheres, Energy & Fuels, 32 (10): 10701-10708, 2018.

  • Fieback, T. M.Hochtemperatur-Sorptionsmessungen für die Bestimmung von Oberflächeneffekten an Festbrennstoffen, Thermodynamik-Kolloquium 2014, 2014.

  • Seibel, C. and Fieback, T. M.Hochtemperatur-Adsorptionsprozesse zur Kohleverbrennung in einer Oxyfuel-Atmosphäre, Thermodynamik-Kolloquium 2015, 2015.

  • Wedler, C., Arami-Niya, A., Xiao, G., Span, R., May, E. F. and Richter, M.Sorption Kinetics of CO2, CH4 and O2 on Cellulose-based Hydrochars for Carbon Conversion Modelling, Thermodynamik-Kolloquium 2018, 2018.

  • Wedler, C., Richter, M. and Span, R.Sorptive determination of effective diffusion coefficients for integration in carbon conversion models, 2nd International Workshop on Oxy-fuel Combustion, 2018.

  • Wedler, C., Seibel, C., Richter, M., Fieback, T. M. and Span, R.Oxyfuel Combustion -- Experimental Investigation of Sorption Effects on Coal Char, Energy Procedia, 105: 1847-1851, 2017.

  • Wedler, C., Seibel, C., Span, R. and Fieback, T. M.Prediction of real surface concentrations of oxyfuel gases on different coal chars using IAST, 1st International Workshop on Oxy-Fuel Combustion, 2016.

  • Wedler, C., Span, R. and Richter, M.Adsorption und Diffusion bei der Oxyfuel-Verbrennung: Graphit als Türöffner zur Verknüpfung von Experiment und MD-Simulation, Jahrestreffen der ProcessNet-Fachgruppen Adsorption und Hochdruckverfahrenstechnik, 2019.

  • Heuer, S., Wedler, C., Ontyd, C., Schiemann, M., Span, R., Richter, M. and Scherer, V.Evolution of coal char porosity from CO2-pyrolysis experiments, Fuel, 253: 1457-1464, 2019.

  • Wedler, C., Angenent, V., Yönder, O., Hättig, C., Schmid, R., Span, R. and Richter, M.Adsorption and diffusion in oxyfuel combustion -- Linking experiment and MD simulation through graphite structures as a first example, Diffusion Fundamentals 8, 2019.

  • Wedler, C., Lotz, K., Arami-Niya, A., Xiao, G., Span, R., Muhler, M., May, E. F. and Richter, M.Influence of Mineral Composition of Chars Derived by Hydrothermal Carbonization on Sorption Behavior of CO2, CH4, and O2, ACS Omega, 2020.

  • Wedler, C., Ontyd, C., Schiemann, M., Scherer, V., Richter, M. and Span, R.Evolution of micro- and mesopore structure during pyrolysis of coal and biomass in different atmospheres, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Wedler, C. and Span, R.A pore-structure dependent kinetic adsorption model for consideration in char conversion -- Adsorption kinetics of CO2 on biomass chars, Chemical Engineering Science: 116281, 2020.

  • Wedler, C., Span, R. and Richter, M.Comparison of micro- and macropore evolution of coal char during pyrolysis, Fuel, 275: 117845, 2020.

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A7

Atomistic multiscale simulation of char combustion

  • Pielsticker, S., Möller, G. H., Gövert, B. M., Kreitzberg, T., Hatzfeld, O., Yönder, O., Angenent, V., Hättig, C., Schmid, R. and Kneer, R.Influence of biomass torrefaction parameters on fast pyrolysis products under flame-equivalent conditions, Biomass and Bioenergy, 119: 392-410, 2018.

  • Yönder, O. and Hättig, C.Density functional theory study of CO formation through reactions of polycyclic aromatic hydrocarbons with atomic oxygen (O(3P)), Fuel, 241: 851-860, 2019.

  • Yönder, O., Hättig, C., Angenent, V., Schmid, R., Leonhard, K. and Schmalz, F.Computational Chemistry as a Tool for Predictive Combustion Modelling, 14th International Conference on Sustainable Development of Energy, Water and Environment Systems, 2019.

  • Wedler, C., Angenent, V., Yönder, O., Hättig, C., Schmid, R., Span, R. and Richter, M.Adsorption und Diffusion bei der Oxyfuel-Verbrennung von Festbrennstoffen: Vergleich von Experiment und MD-Simulation, 29. Deutscher Flammentag, 2019.

  • Wedler, C., Angenent, V., Yönder, O., Hättig, C., Schmid, R., Span, R. and Richter, M.Adsorption and diffusion in oxyfuel combustion -- Linking experiment and MD simulation through graphite structures as a first example, Diffusion Fundamentals 8, 2019.

  • Angenent, V., Oelert, D. and Schmid, R.In silico design of atomistic char models of curved stacked carbon layers, 11th Mediterranean Combustion Symposium, 2019.

  • Can small polyaromatics describe their larger counterparts for local reactions? A computational study on the H-abstraction reaction by an H-atom from polyaromatics, The Journal of Physical Chemistry A, 2020.

  • Chen, B., Kruse, S., Schmid, R., Cai, L., Hansen, N. and Pitsch, H.Oxygenated PAH formation chemistry investigation in anisole jet stirred reactor oxidation by a thermodynamic approach, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Chen, B., Kruse, S., Schmid, R., Cai, L., Hansen, N. and Pitsch, H.Oxygenated PAH formation chemistry investigation in anisole jet stirred reactor oxidation by a thermodynamic approach, Energy & Fuels: (accepted), 2020.

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A8

Development of a comprehensive kinetic model for the conversion of solid fuels in Oxy-Fuel atmospheres

  • Debiagi, P., Ranzi, E., Faravelli, T. and Hasse, C.Coal Combustion: Integrating Nitrogen and Sulfur Fraction in a Single Kinetic Mechanism, 1st International Conference on Smart Energy Carriers, 2019.

  • Debiagi, P. E. A., Ontyd, C., Heuer, S., Pielsticker, S., Schiemann, M., Faravelli, T., Kneer, R., Scherer, V. and Hasse, C.Solid Fuel Kinetics for Oxy-Fuel conditions, 29. Deutscher Flammentag, 2019.

  • Debiagi, P. E. A., Heuer, S., Ontyd, C., Schiemann, M., Faravelli, T., Hasse, C. and Scherer, V.Differences in Formation and Oxidation Of Colombian Coal Chars in Air and Oxy-Fuel Atmospheres, Chemical Engineering Transactions, 74: 151-156, 2019.

  • Debiagi, P. E. A., Coskun, Y., Ströhle, J., Epple, B., Faravelli, T. and Hasse, C.Validation of a comprehensive kinetic mechanism for sulfur release during pyrolysis of solid fuels, 9th International Symposium on Coal Combustion, 2019.

  • Wen, Xu, Stein, O. T., Tufano, G. L., Kronenburg, A., Scholtissek, A. and Hasse, C.Multi-dimensional and transient effects on flamelet modeling for turbulent pulverized coal combustion, Fuel, 255: 115772, 2019.

  • Wen, Xu, Debiagi, P. E. A., Stein, O. T., Kronenburg, A., Kempf, A. M. and Hasse, C.Flamelet tabulation methods for solid fuel combustion with fuel-bound nitrogen, Combustion and Flame, 209: 155-166, 2019.

  • Debiagi, P. E. A., Nicolai, H., Han, W., Janicka, J. and Hasse, C.Towards predictive CFD simulations of coal combustion -- using Machine Learning for efficient representation of solid fuel kinetics, 9th International Symposium on Coal Combustion, 2019.

  • Chen, Y., Stein, O. T., Kronenburg, A., Xing, J., Luo, K., Luo, K. H. and Hasse, C.Analysis of Gas-Assisted Pulverized Coal Combustion in Cambridge Coal Burner CCB1 Using FPV-LES, Energy & Fuels, 34 (6): 7477-7489, 2020.

  • Debiagi, P. E. A., Faravelli, T., Hasse, C. and Ranzi, E.Kinetic Modeling of Solid, Liquid and Gas Biofuel Formation from Biomass Pyrolysis, Production of Biofuels and Chemicals, 31-76, SPRINGER NATURE, Singapore, 2020.

  • Debiagi, P. E. A., Locaspi, A., Hasse, C. and Faravelli, T.A fundamental model of char oxidation, Fuels, Processes, and Combustion Physics in the Energy Transformation, 2020.

  • Debiagi, P. E. A., Nicolai, H., Han, W., Janicka, J. and Hasse, C.Machine learning for predictive coal combustion CFD simulations---From detailed kinetics to HDMR Reduced-Order models, Fuel, 274: 117720, 2020.

  • Özer, B., Debiagi, P. E. A., Hasse, C., Faravelli, T. and Kazanç, F.An experimental and numerical study on the combustion of lignites from different geographic origins, Fuel, 278: 118320, 2020.

  • Shamooni, A., Debiagi, P. E. A., Wang, B., Stein, O. T., Kronenburg, A., Stagni, A., Frassoldati, A., Faravelli, T., Kempf, A. M. and Hasse, C.Carrier-phase DNS of NOx formation in pulverized coal flames with fuel-bound nitrogen, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Wen, Xu, Debiagi, P. E. A. and Hasse, C.Flamelet tabulation methods for SOx formation in pulverized solid fuel combustion, Combustion and Flame, 218: 150-167, 2020.

  • Debiagi, P. E. A., Yildiz, C., Richter, M., Ströhle, J., Epple, B., Faravelli, T. and Hasse, C.Experimental and modeling assessment of sulfur release from coal under low and high heating rates, Proceedings of the Combustion Institute, 2020.

  • Debiagi, P. E. A., Yildiz, C., Ströhle, J., Epple, B., Faravelli, T. and Hasse, C.Systematic evaluation and kinetic modeling of low heating rate sulfur release in pyrolysis and oxidation in various atmospheres, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Pflieger, C., Lotz, K., Hilse, N., Berger, C. M., Schiemann, M., Debiagi, P. E. A., Hasse, C., Scherer, V., Muhler, M. and Debiagi, P.Catalytic Influence of Mineral Compounds on the Reactivity of Cellulose-Derived Char in O2-, CO2-, and H2O-Containing Atmospheres, Fuel, 2020.

  • Can small polyaromatics describe their larger counterparts for local reactions? A computational study on the H-abstraction reaction by an H-atom from polyaromatics, The Journal of Physical Chemistry A, 2020.

  • Shamooni, A., Debiagi, P. E. A., Wang, B., Luu, T. D., Stein, O. T., Kronenburg, A., Bagheri, G., Stagni, A., Frassoldati, A., Faravelli, T., Kempf, A. M., Wen, Xu and Hasse, C.Carrier-phase DNS of detailed NOx formation in early-stage pulverized coal combustion with fuel-bound nitrogen, Fuel: (accepted), 2020.

  • Trespi, S., Nicolai, H., Debiagi, P. E. A., Janicka, J., Dreizler, A., Hasse, C. and Faravelli, T.Development and application of an efficient chemical reactor network model for oxy-fuel combustion, Energy & Fuels: (accepted), 2020.

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B1

Theoretical and experimental investigation on the devolatilisation and oxidation of solid-fuel particles in a counterflow burner under Oxy-Fuel conditions

  • Cai, L., Baroncelli, M., Kruse, S., Felsmann, D., Thies, C. and Pitsch, H.Extinction Characteristics of Methane Counterflow Flames under Oxy-Fuel and Air Conditions, Proceedings of the China National Symposium on Combustion 2016, 2016.

  • Baroncelli, M., Felsmann, D., Kruse, S., Beeckmann, J. and Pitsch, H.Extinction strain rates for coal light volatiles under oxy-fuel conditions, Proceedings of the China National Symposium on Combustion, 2016.

  • Xu, K., Zhang, H., Wu, Y., Baroncelli, M. and Pitsch, H.Transient model for soot formation during the combustion of single coal particles, Proceedings of the Combustion Institute, 2016.

  • Baroncelli, M., Kruse, S. and Pitsch, H.Experimental and numerical investigation of extinction strain rates of coal devolatilization products under oxy-fuel conditions, Budapest, Ungarn, 2015.

  • Felsmann, D., Baroncelli, M., Beeckmann, J. and Pitsch, H.Molecular-beam mass spectrometry study of oxy-combustion in a novel coal-plate experiment, Proceedings of the Combustion Institute, 2018.

  • Emmert, J., Baroncelli, M., van der Kley, S., Pitsch, H. and Wagner, S.Axisymmetric Linear Hyperspectral Absorption Spectroscopy and Residuum-Based Parameter Selection on a Counter Flow Burner, Energies, 12 (14): 2786, 2019.

  • Baroncelli, M., Mao, Q., Galle, S., Hansen, N. and Pitsch, H.Role of ring-enlargement reactions in the formation of aromatic hydrocarbons, Physical Chemistry Chemical Physics, 22 (8): 4699-4714, 2020.

  • Cai, L., Kruse, S., Felsmann, D. and Pitsch, H.A Methane Mechanism for Oxy-Fuel Combustion: Extinction Experiments, Model Validation, and Kinetic Analysis, Flow, Turbulence and Combustion, 34: 6970, 2020.

  • Chen, B., Ilies, B. D., Chen, W., Xu, Q., Li, Y., Xing, L., Yang, J., Wei, L., Hansen, N., Pitsch, H., Sarathy, S. M. and Wang, Z.Exploring low temperature oxidation of 1-butene in jet-stirred reactors, Combustion and Flame, 222: 259-271, 2020.

  • Chen, B., Kruse, S., Schmid, R., Cai, L., Hansen, N. and Pitsch, H.Oxygenated PAH formation chemistry investigation in anisole jet stirred reactor oxidation by a thermodynamic approach, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Liu, P., Chen, B., Li, Z., Bennett, A., Sioud, S., Pitsch, H., Sarathy, S. M. and Roberts, W. L.Experimental and theoretical evidence for the temperature-determined evolution of PAH functional groups, Proceedings of the Combustion Institute, 2020.

  • Wen, Xu, Nicolai, H., Schneider, H., Cai, L., Janicka, J., Pitsch, H. and Hasse, C.Flamelet LES of a swirl-stabilized multi-stream pulverized coal burner in air and oxy-fuel atmospheres with pollutant formation, Proceedings of the Combustion Institute, 2020.

  • Wen, Xu, Shamooni, A., Stein, O. T., Cai, L., Kronenburg, A., Pitsch, H., Kempf, A. M. and Hasse, C.Detailed analysis of early-stage NOx formation in turbulent pulverized coal combustion with fuel-bound nitrogen, Proceedings of the Combustion Institute, 2020.

  • Baroncelli, M., Felsmann, D., Hansen, N. and Pitsch, H.Investigating the effect of oxy-fuel combustion and light coal volatiles interaction: A mass spectrometric study, Combustion and Flame, 204: 320-330, 2019.

  • Vorobiev, N., Kruse, S., Pitsch, H. and Schiemann, M.Demonstration of laser-induced incandescence in single coal particle enveloping flames, 9th European Combustion Meeting, 2019.

  • Cai, L., Kruse, S., Felsmann, D., Thies, C., Yalamanchi, K. K. and Pitsch, H.Experimental Design for Discrimination of Chemical Kinetic Models for Oxy-Methane Combustion, Energy & Fuels, 31 (5): 5533-5542, 2017.

  • Chen, B., Kruse, S., Schmid, R., Cai, L., Hansen, N. and Pitsch, H.Oxygenated PAH formation chemistry investigation in anisole jet stirred reactor oxidation by a thermodynamic approach, Energy & Fuels: (accepted), 2020.

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B2

Development of modelling approaches for fluid-particle interactions in turbulent flow by direct particle-fluid simulations

  • Gadeschi, G. B., Schneiders, L., Meinke, M. and Schröder, W.A numerical method for multiphysics simulations based on hierarchical Cartesian grids, Journal of Fluid Science and Technology, 10 (1): 1-12, 2015.

  • L. Schneiders, C. G. M. M. and Schröder, W.An efficient conservative cut-cell method for rigid bodies interacting with viscous compressible flows, Journal of Computational Physics, 311: 62-86, 2016.

  • Gronarz, T., Schnell, M., Siewert, C., Schneiders, L., Schröder, W. and Kneer, R.Comparison of scattering behaviour for spherical and non-spherical particles in pulverized coal combustion, International Journal of Thermal Sciences, 111: 116-128, 2017.

  • Schneiders, L., Meinke, M. and Schröder, W.On the accuracy of Lagrangian point-mass models for heavy non-spherical particles in isotropic turbulence, Fuel, 201: 2-14, 2017.

  • Schneiders, L., Grimmen, J. H., Meinke, M. and Schröder, W.An efficient numerical method for fully-resolved particle simulations on high-performance computers, Proc. Appl. Math. Mech., 15 (1): 495-496, 2015.

  • Schneiders, L., Günther, C., Grimmen, J., Meinke, M. and Schröder, W.Sharp resolution of complex moving geometries using a multi-cut-cell viscous flow solver, 22nd AIAA Computational Fluid Dynamics Conference, Dallas, Texas, 2015.

  • Fröhlich, K., Schneiders, L., Meinke, M. H. and Schröder, W.Assessment of Non-Spherical Point-Particle Models in LES using Direct Particle-Fluid Simulations, Fluid Dynamics Conference, T0002, American Institute of Aeronautics and Astronautics, Reston, Virginia, 2018.

  • Fröhlich, K., Schneiders, L., Meinke, M. H. and Schröder, W.Validation of Lagrangian Two-Way Coupled Point-Particle Models in Large-Eddy Simulations, Flow, Turbulence and Combustion, 101 (2): 317-341, 2018.

  • Schneiders, L., Meinke, M. H. and Schröder, W.Direct particle--fluid simulation of Kolmogorov-length-scale size particles in decaying isotropic turbulence, Journal of Fluid Mechanics, 819: 188-227, 2017.

  • Schneiders, L., Fröhlich, K., Meinke, M. and Schröder, W.The decay of isotropic turbulence carrying non-spherical finite-size particles, Journal of Fluid Mechanics, 875: 520-542, 2019.

  • Fröhlich, K., Schneiders, L., Meinke, M. and Schröder, W.Direct particle-fluid simulation of Kolmogorov-length-scale size ellipsoidal particles in isotropic decaying turbulence, 11th International Symposium on Turbulence and Shear Flow Phenomena, 2019.

  • Schneiders, L., Meinke, M. H. and Schröder, W.Direct particle--fluid simulation of Kolmogorov-length-scale size particles in decaying isotropic turbulence, Journal of Fluid Mechanics, 819: 188-227, 2017.

  • Fröhlich, K., Meinke, M. and Schröder, W.Correlations for inclined prolates based on highly resolved simulations, Journal of Fluid Mechanics, 901: A5, 2020.

  • Fröhlich, K., Schneiders, L., Meinke, M. and Schröder, W.Ambient flow properties of Kolmogorov-length-scale size non-spherical particles in isotropic turbulence, ERCOFTAC Workshop Direct and Large Eddy Simulation XII, 175-181, SPRINGER NATURE, 2020.

  • Fröhlich, K., Schneiders, L., Meinke, M. and Schröder, W.Direct particle-fluid simulation of Kolmogorov-length-scale size ellipsoidal particles in isotropic decaying turbulence, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Fröhlich, K., Schneiders, L., Meinke, M. and Schröder, W.Numerical analysis of fully resolved ellipsoidal particle dynamics in isotropic decaying turbulence, 17th European Turbulence Conference, 2019.

  • Fröhlich, K., Schneiders, L., Meinke, M. and Schröder, W.Simulation of Particulate Flows, High Performance Computing in Science & Engineering -- 22nd Results and Review Workshop of the HLRS, 2019.

  • Schneiders, L., Fröhlich, K., Meinke, M. and Schröder, W.Direct particle-fluid simulations on dynamic meshes, 72nd Annual Meeting of the APS Division of Fluid Dynamics, 2019.

  • Fröhlich, K. and Schröder, W.B2 -- Development of fluid-particle interaction models in turbulent flows, 2nd International Workshop on Oxy-fuel Combustion, 2018.

  • Fröhlich, K., Schneiders, L., Meinke, M. and Schröder, W.Analysis of the Interphase Coupling using Direct Particle-Fluid Simulations for Finite-Size Particles, 16th European Turbulence Conference, 2017.

  • Fröhlich, K., Schneiders, L., Meinke, M. and Schröder, W.Assessement of Lagrangian two-way coupled point-particle models using direct particle-fluid simulations, 18. STAB-Workshop, 2017.

  • Fröhlich, K., Schneiders, L., Meinke, M. and Schröder, W.Improved Lagrangian Two-Way Coupled Point-Particle Models using Direct Particle-Fluid Simulations, 11th workshop on Direct and Large Eddy Simulation, 2017.

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B3

Direct numerical simulation and modelling of Oxy-Fuel combustion processes

  • Farazi, S., Sayadi, T. and Pitsch, H.Numerical analysis of the drag force acting on the reactive single char particle under oxy-fuel condition, 2016.

  • Farazi, S., Sadr, M., Kang, S., Schiemann, M., Vorobiev, N., Scherer, V. and Pitsch, H.Resolved simulations of single char particle combustion in a laminar flow field, Fuel, 201: 15-28, 2017.

  • Farazi, S., Schiemann, M., Vorobiev, N., Scherer, V., Kang, S. and Pitsch, H.A new variable transport coefficient single-film model for char combustion, April 18th-21st, Dubrovnik, Croatia. 2017.

  • Sayadi, T., Farazi, S., Kang, S. and Pitsch, H.Transient multiple particle simulations of char particle combustion, Fuel, 199: 289-298, 2017.

  • Farazi, S. and Pitsch, H.Fully resolved simulation of single and group particle combustion in an oxy-fuel atmosphere, February 10th-11th 2016, Montabaur, Germany.

  • Farazi, S., Attili, A., Heuer, S., Schiemann, M., Scherer, V. and Pitsch, H.Modeling and Simulation of Coal Ignition and Combustion under Oxy-Fuel Condition, 2nd International Workshop on Oxy-Fuel Combustion, Bochum, 2018.

  • Farazi, S., Attili, A., Kang, S. and Pitsch, H.Numerical study of coal particle ignition in air and oxy-atmosphere, Proceedings of the Combustion Institute, 2018.

  • Farazi, S., Sayadi, T. and Pitsch, H.Numerical analysis of the drag force acting on the reactive single char particle under oxy-fuel conditions, Proceedings of the China National Symposium on Combustion 2016, 2016.

  • Attili, A., Farmand, P., Schumann, C., Farazi, S., Böhm, B., Li, T., Geschwindner, C., Köser, J., Dreizler, A. and Pitsch, H.Numerical Simulations and Experiments of Ignition of Solid Particles in a Laminar Burner: Effects of Slip Velocity and Particle Swelling, Flow, Turbulence and Combustion, 2020.

  • Farmand, P., Schumann, C., Attili, A. and Pitsch, H.Direct numerical simulation of solid fuel ignition and combustion in laminar and turbulent conditions, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Pitsch, H. and Attili, A.Data analysis for direct numerical simulations of turbulent combustion: From equation-based analysis to machine learning, Springer, Cham, Switzerland, 2020.

  • Farazi, S., Hinrichs, J., Davidovic, M., Falkenstein, T., Bode, M., Kang, S., Attili, A. and Pitsch, H.Numerical investigation of coal particle stream ignition in oxy-atmosphere, Fuel, 241: 477-487, 2019.

  • Xing, J., Luo, K., Pitsch, H., Wang, H., Bai, Y., Zhao, C. and Fan, J.Predicting kinetic parameters for coal devolatilization by means of Artificial Neural Networks, Proceedings of the Combustion Institute, 37 (3): 2943-2950, 2019.

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B4

Detailed experimental investigation and characterisation of Oxy-Fuel biomass burners via laser-optical methods

  • Doost, A. S., Ries, F., Becker, L. G., Bürkle, S., Wagner, S., Ebert, V., Dreizler, A., di Mare, F., Sadiki, A. and Janicka, J.Residence time calculations for complex swirling flow in a combustion chamber using large-eddy simulations, Chemical Engineering Science, 156: 97-114, 2016.

  • Knappstein, R., Kuenne, G., Ketelheun, A., Köser, J., Becker, L., Heuer, S., Schiemann, M., Scherer, V., Dreizler, A., Sadiki, A. and Janicka, J.Devolatilization and volatiles reaction of individual coal particles in the context of FGM tabulated chemistry, Combustion and Flame, 169: 72-84, 2016. doi 

  • Köser, J., Becker, L. G., Goßmann, A.-K., Böhm, B. and Dreizler, A.Investigation of ignition and volatile combustion of single coal particles within oxygen-enriched atmospheres using high-speed OH-PLIF, Proceedings of the Combustion Institute, 2016.

  • Köser, J., Becker, L. G., Vorobiev, N., Schiemann, M., Scherer, V., Böhm, B. and Dreizler, A.Characterization of single coal particle combustion within oxygen-enriched environments using high-speed OH-PLIF, Applied Physics B, 2015. doi 

  • Becker, L. G., Kosaka, H., Böhm, B., Doost, S., Knappstein, R., Habermehl, M., Kneer, R., Janicka, J. and Dreizler, A.Experimental investigation of flame stabilization inside the quarl of an oxyfuel swirl burner, Fuel, 2016.

  • Weinkauff, J., Greifenstein, M., Dreizler, A. and Böhm, B.Time resolved three-dimensional flamebase imaging of a lifted jet flame by laser scanning, Measurement Science and Technology, 26 (10): 105201-1-105201-15, 2015.

  • Köser, J., Knappstein, R., Goßmann, A.-K., Becker, L. G., Böhm, B., Janicka, J. and Dreizler, A.An experimental and numerical study of volatile combustion of single coal particles in an oxygen enriched atmosphere, 32nd International Pittsburgh Coal Conference, Pittsburgh, Pennsylvania, 2015.

  • Becker, L. G., Langenthal, T. v., Pielsticker, S., Böhm, B., Kneer, R. and Dreizler, A.Experimental investigation of particle-laden flows in an oxy-coal combustion chamber for non-reacting conditions, Fuel, 235: 753-762, 2019. doi 

  • Li, T., Pareja, J., Becker, L., Heddrich, W., Dreizler, A. and Böhm, B.Quasi 4D laser diagnostics using an acousto optic defector scanning system, Applied Physics B, 123: 78-85, 2017.

  • Agizza, M. A., Bürkle, S., Becker, L. G., Greifenstein, M., Bagheri, G., Doost, S., Faravelli, T., Janicka, J., Wagner, S. and Dreizler, A.Reactor network modelling of a close to reality combustor using residence time measurements, 10th Mediterranean Combustion Symposium, 2017.

  • Bürkle, S., Becker, L. G., Agizza, M. A., Dreizler, A., Ebert, V. and Wagner, S.In-situ measurement of residence time distributions in a turbulent oxy-fuel gas-flame combustor, Experiments in Fluids, 58 (7): 647, 2017.

  • Bürkle, S., Becker, L. G., Agizza, M. A., Dreizler, A. and Wagner, S.Comparison of two measurement strategies to obtain the residence time distribution in combustion chambers using tunable diode laser absorption spectroscopy, Applied Optics, 58 (10): C36, 2019.

  • Bürkle, S., Becker, L. G., Dreizler, A. and Wagner, S.Experimental investigation of the flue gas thermochemical composition of an oxy-fuel swirl burner, Fuel, 231: 61-72, 2018.

  • Bürkle, S., Ebert, V., Rauen, D., Dreizler, A., Möller, G. H., Hees, J., Zabrodiec, D., Maßmeyer, A. and Wagner, S.Laserbasierte Messung von Temperatur und Spezieskonzentrationen bei der Verbrennung von torrefizierter Biomasse in einer 100 kWth-Staubfeuerungsversuchsanlage, 28. Deutscher Flammentag, 2017.

  • Hees, J., Bürkle, S., Becker, L. G., Zabrodiec, D., Wagner, S., Dreizler, A. and Kneer, R.A complementary approach for the experimental investigation of solid oxy-fuel combustion using optical diagnostics, 2nd International Workshop on Oxy-fuel Combustion, 2018.

  • Knappstein, R., Künne, G., Becker, L. G., di Mare, F., Sadiki, A., Dreizler, A. and Janicka, J.Large Eddy Simulation of a Novel Gas-Assisted Coal Combustion Chamber, Flow, Turbulence and Combustion, 101 (3): 895-926, 2018.

  • Li, T., Pareja, J., Becker, L. G., Heddrich, W., Dreizler, A. and Böhm, B.Quasi-4D laser diagnostics using an acousto-optic deflector scanning system, Applied Physics B, 123 (3): 1243, 2017.

  • Doost, S., Ries, F., Becker, L. G., Bürkle, S., Wagner, S., Ebert, V., Dreizler, A., di Mare, F., Sadiki, A. and Janicka, J.Residence time calculations for complex swirling flow in a combustion chamber using large-eddy simulations, Chemical Engineering Science, 156: 97-114, 2016.

  • Schneider, H., Becker, L. G., Pielsticker, S., Böhm, B., Kneer, R. and Dreizler, A.Experimental investigation and comparison of particle-laden flows in a gas-assisted oxycoal combustion chamber for reacting and non-reacting conditions, 9th European Combustion Meeting, 2019.

  • Becker, L. G., Pielsticker, S., Böhm, B., Kneer, R. and Dreizler, A.Particle dynamics in a gas assisted coal combustion chamber using advanced laser diagnostics, Fuel, 269: 117188, 2020.

  • Schneider, H., Valentiner, S., Vorobiev, N., Böhm, B., Schiemann, M., Scherer, V., Kneer, R. and Dreizler, A.Investigation on flow dynamics and temperatures of solid fuel particles in a gas-assisted oxy-fuel combustion chamber, Fuel, 286: 119424, 2021.

  • Nicolai, H., Künne, G., Knappstein, R., Schneider, H., Becker, L. G., Hasse, C., di Mare, F., Dreizler, A. and Janicka, J.Large Eddy Simulation of a laboratory-scale gas-assisted pulverized coal combustion chamber under oxy-fuel atmospheres using tabulated chemistry, Fuel, 272: 117683, 2020.

  • Schneider, H., Böhm, B., Kneer, R. and Dreizler, A.B4 -- Visualization and analysis of solid fuel particle tracectories in a gas-assisted oxy-fuel combustion chamber, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

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B5

Robust absorption-spectroscopic diagnostics for biomass combustion: measurement methods for gas species, gas temperatures and particle loading

  • Li, G., Serdyukov, A., Gisi, M., Werhahn, O. and Ebert, V.FTIR-based measurements of self-broadening and self-shift coefficients as well as line strength in the first overtone band of HCl at 1.76µM, Journal of Quantitative Spectroscopy and Radiative Transfer, 165: 76–87, 2015.

  • Köser, J., Becker, L. G., Vorobiev, N., Schiemann, M., Scherer, V., Böhm, B. and Dreizler, A.Characterization of single coal particle combustion within oxygen-enriched environments using high-speed OH-PLIF, Applied Physics B, 2015. doi 

  • Wagner, S., Blume, N. G., Ebert, V. and Dreizler, A.Broadband fitting approach for the application of supercontinuum broadband laser absorption spectroscopy to combustion environments, Measurement Science and Technology, 27 (1): 015501, 2015.

  • Köser, J., Becker, L. G., Goßmann, A.-K., Böhm, B. and Dreizler, A.Investigation of ignition and volatile combustion of single coal particles within oxygen-enriched atmospheres using high-speed OH-PLIF, Proceedings of the Combustion Institute, 2016.

  • Agizza, M. A., Bürkle, S., Becker, L. G., Greifenstein, M., Bagheri, G., Doost, S., Faravelli, T., Janicka, J., Wagner, S. and Dreizler, A.Reactor network modelling of a close to reality combustor using residence time measurements, 10th Mediterranean Combustion Symposium, 2017.

  • Bürkle, S., Becker, L. G., Agizza, M. A., Dreizler, A., Ebert, V. and Wagner, S.In-situ measurement of residence time distributions in a turbulent oxy-fuel gas-flame combustor, Experiments in Fluids, 58 (7): 647, 2017.

  • Hees, J., Bürkle, S., Becker, L. G., Zabrodiec, D., Wagner, S., Dreizler, A. and Kneer, R.A complementary approach for the experimental investigation of solid oxy-fuel combustion using optical diagnostics, 2nd International Workshop on Oxy-fuel Combustion, 2018.

  • Bürkle, S., Ebert, V., Rauen, D., Dreizler, A., Möller, G. H., Hees, J., Zabrodiec, D., Maßmeyer, A. and Wagner, S.Laserbasierte Messung von Temperatur und Spezieskonzentrationen bei der Verbrennung von torrefizierter Biomasse in einer 100 kWth-Staubfeuerungsversuchsanlage, 28. Deutscher Flammentag, 2017.

  • Bürkle, S., Becker, L. G., Dreizler, A. and Wagner, S.Experimental investigation of the flue gas thermochemical composition of an oxy-fuel swirl burner, Fuel, 231: 61-72, 2018.

  • Bürkle, S., Becker, L. G., Agizza, M. A., Dreizler, A. and Wagner, S.Comparison of two measurement strategies to obtain the residence time distribution in combustion chambers using tunable diode laser absorption spectroscopy, Applied Optics, 58 (10): C36, 2019.

  • Bürkle, S., Dreizler, A., Ebert, V. and Wagner, S.Experimental comparison of a 2D laminar diffusion flame under oxy-fuel and air atmosphere, Fuel, 212: 302-308, 2018.

  • Doost, S., Ries, F., Becker, L. G., Bürkle, S., Wagner, S., Ebert, V., Dreizler, A., di Mare, F., Sadiki, A. and Janicka, J.Residence time calculations for complex swirling flow in a combustion chamber using large-eddy simulations, Chemical Engineering Science, 156: 97-114, 2016.

  • Emmert, J., Blume, N. G., Dreizler, A. and Wagner, S.PolySpec: polynomial spectrum models for fast and light-weight spectroscopic evaluation, Applied Optics, 57 (34): 9907, 2018.

  • Knappstein, R., Ketelheun, A., Künne, G., Köser, J., Dreizler, A., Sadiki, A. and Janicka, J.A consistent approach for coupling the devolatilization of coal particles with tabulated chemistry, 15th International Conference on Numerical Combustion, Avignon, Frankreich, 2015.

  • Köser, J., Knappstein, R., Goßmann, A.-K., Becker, L. G., Böhm, B., Janicka, J. and Dreizler, A.An experimental and numerical study of volatile combustion of single coal particles in an oxygen enriched atmosphere, 32nd International Pittsburgh Coal Conference, Pittsburgh, Pennsylvania, 2015.

  • Emmert, J., Baroncelli, M., van der Kley, S., Pitsch, H. and Wagner, S.Axisymmetric Linear Hyperspectral Absorption Spectroscopy and Residuum-Based Parameter Selection on a Counter Flow Burner, Energies, 12 (14): 2786, 2019.

  • Grauer, S. J., Emmert, J., Sanders, S. T., Wagner, S. and Daun, K. J.Multiparameter gas sensing with linear hyperspectral absorption tomography, Measurement Science and Technology, 30 (10): 105401, 2019.

  • Emmert, J., Wagner, S. and Daun, K. J.Quantifying the spatial resolution of the maximum a posteriori estimate in linear, rank-deficient, Bayesian hard field tomography, Measurement Science and Technology, 2020.

  • Emmert, J., Grauer, S. J., Wagner, S. and Daun, K. J.Efficient Bayesian inference of absorbance spectra from transmitted intensity spectra, Optics Express, 27 (19): 26893-26909, 2019.

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B6(F)

Modeling of Particle-Turbulence-Chemistry Interaction in Oxy-Fuel-Processes

  • Knappstein, R., Kuenne, G., Ketelheun, A., Köser, J., Becker, L., Heuer, S., Schiemann, M., Scherer, V., Dreizler, A., Sadiki, A. and Janicka, J.Devolatilization and volatiles reaction of individual coal particles in the context of FGM tabulated chemistry, Combustion and Flame, 169: 72-84, 2016. doi 

  • Knappstein, R., Ketelheun, A., Künne, G., Köser, J., Dreizler, A., Sadiki, A. and Janicka, J.A consistent approach for coupling the devolatilization of coal particles with tabulated chemistry, 15th International Conference on Numerical Combustion, Avignon, Frankreich, 2015.

  • Ketelheun, A., Mehdizadeh, A., Knappstein, R., Sadiki, A. and Janicka, J.Investigation of Unsteady Simulation Methods in an Oxyfuel Configuration, 27. Deutscher Flammentag, 581-590, Clausthal-Zellerfeld, 2015.

  • Knappstein, R., Künne, G., Meier, T., Sadiki, A. and Janicka, J.Evaluation of coal particle volatiles reaction by using detailed kinetics and FGM tabulated chemistry, Fuel, 201: 39-52, 2017.

  • Köser, J., Knappstein, R., Goßmann, A.-K., Becker, L. G., Böhm, B., Janicka, J. and Dreizler, A.An experimental and numerical study of volatile combustion of single coal particles in an oxygen enriched atmosphere, 32nd International Pittsburgh Coal Conference, Pittsburgh, Pennsylvania, 2015.

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B7

Investigation of ignition and combustion processes of solid fuel particles under Oxy-Fuel conditions

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B8

Sensitivity analysis and uncertainty quantification of pulverized solid fuel combustion

  • Sayadi, T., Farazi, S., Kang, S. and Pitsch, H.Transient multiple particle simulations of char particle combustion, Fuel, 199: 289-298, 2017.

  • Fikl, A., Le Chenadec, V. and Sayadi, T.Control and Optimization of Interfacial Flows Using Adjoint-Based Techniques, Fluids, 5 (3): 156, 2020.

  • Hassan, A., Sayadi, T., Le Chenadec, V., Pitsch, H. and Attili, A.Adjoint-based sensitivity analysis of steady char burnout, Combustion Theory and Modelling: (accepted), 2020.

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C1

Experimental investigation of pulverised biomass combustion for validation of numerical models

  • Hees, J., Zabrodiec, D., Maßmeyer, A., Gronarz, T., Gövert, B., Höfler, M., Ohliger, A., Habermehl, M., Hatzfeld, O. and Kneer, R.Experimental Investigation and Comparison of Pulverized Coal Combustion in CO2/O2- and N2/O2-Atmospheres, [SPEIC: Towards Sustainable Combustion, 19/11/2014 – 21/11/2014, Lisbon, Portugal], 2014.

  • Zabrodiec, D., Maßmeyer, A., Hees, J., Gronarz, T., Gövert, B., Höfler, M., Ohliger, A., Habermehl, M., Hatzfeld, O. and Kneer, R.Experimental Characterization of the effect of Dry Recirculation on a Swirled Self-Stabilized Oxycoal Flame, [31st Pittsburgh Coal Conference, 06/10/2014 – 09/10/2014, Pittsburgh, PA, USA], 2014.

  • Habermehl, M., Hees, J., Zabrodiec, D. and Kneer, R.Comparison of Flame Stability under Air and Oxy-Fuel Conditions for an Aerodynamically Stabilized Pulverized Coal Swirl Flame, [40th International Technical Conference on Clean Coal & Fuel, 31/05/2015 – 04/06/2015, Clearwater, FL, USA], 2015.

  • Hees, J., Zabrodiec, D., Massmeyer, A., Habermehl, M. and Kneer, R.Experimental Investigation and Comparison of Pulverized Coal Combustion in CO2/O2- and N2/O2-Atmospheres, Flow, Turbulence and Combustion, 96 (2): 417-431, 2015.

  • Hees, J., Zabrodiec, D., Massmeyer, A., Pielsticker, S., Gövert, B., Habermehl, M., Hatzfeld, O. and Kneer, R.Detailed analyzes of pulverized coal swirl flames in oxy-fuel atmospheres, Combustion and Flame, 172: 289-301, 2016.

  • Becker, L. G., Kosaka, H., Böhm, B., Doost, S., Knappstein, R., Habermehl, M., Kneer, R., Janicka, J. and Dreizler, A.Experimental investigation of flame stabilization inside the quarl of an oxyfuel swirl burner, Fuel, 2016.

  • Zabrodiec, D., Hees, J., Maßmeyer, A., Lehn, F. v., Hatzfeld, O., Habermehl, M. and Kneer, R.Experimental Investigation of Pulverized Coal Flames in CO2/O2- and N2/O2-Atmospheres: Comparison of solid particle radiative characteristics, Fuel, 2016.

  • Habermehl, M., Hees, J., Zabrodiec, D. and Kneer, R.Charakterisierung ähnlicher, aerodynamisch bestimmter Flammenzustände eines Kohlenstaub-Drallbrenners im Luft- und Oxyfuel-Betrieb, Clausthal-Zellerfeld, 2015.

  • Zabrodiec, D., Becker, L., Hees, J., Maßmeyer, A., Habermehl, M., Hatzfeld, O., Dreizler, A. and Kneer, R.Detailed Analysis of the Velocity Fields from 60 kW Swirl-Stabilized Coal Flames in CO2/O2- and N2/O2-Atmospheres by Means of Laser Doppler Velocimetry and Particle Image Velocimetry, Combustion Science and Technology, 0 (0): 1-25, 0. doi 

  • Bürkle, S., Ebert, V., Rauen, D., Dreizler, A., Möller, G. H., Hees, J., Zabrodiec, D., Maßmeyer, A. and Wagner, S.Laserbasierte Messung von Temperatur und Spezieskonzentrationen bei der Verbrennung von torrefizierter Biomasse in einer 100 kWth-Staubfeuerungsversuchsanlage, 28. Deutscher Flammentag, 2017.

  • Hees, J., Bürkle, S., Becker, L. G., Zabrodiec, D., Wagner, S., Dreizler, A. and Kneer, R.A complementary approach for the experimental investigation of solid oxy-fuel combustion using optical diagnostics, 2nd International Workshop on Oxy-fuel Combustion, 2018.

  • Hees, J., Zabrodiec, D., Maßmeyer, A., Habermehl, M. and Kneer, R.Experimental Investigation and Comparison of Pulverized Coal Combustion in CO2/O2$-$ and N2/O2$-$Atmospheres, Flow, Turbulence and Combustion, 96 (2): 417-431, 2016.

  • Hees, J., Zabrodiec, D., Maßmeyer, A., Hatzfeld, O., Habermehl, M. and Kneer, R.Kohlenstaubverbrennung in Oxyfuel-Atmosphäre - Einfluss der Oxidatorzusammensetzung auf den Verbrennungsprozess, 28. Deutscher Flammentag, 2017.

  • Hees, J., Zabrodiec, D., Maßmeyer, A., Hatzfeld, O. and Kneer, R.Experimental investigation into the influence of the oxygen concentration on a pulverized coal swirl flame in oxy-fuel atmosphere, Fuel, 240: 64-74, 2019.

  • Möller, G. H., Maßmeyer, A., Hees, J., Zabrodiec, D., Habermehl, M. and Kneer, R.Chemiluminescence measurements in a pulverized fuel furnace of pure torreed biomasses in comparison to solid fossil fuels, 42nd International Technical Conference on Clean Energy, 2017.

  • Zabrodiec, D., Hees, J., Maßmeyer, A., Hatzfeld, O. and Kneer, R.Experimental Investigation and Comparison of radiative characteristics of Pulverized Coal Flames in CO2/O2- and N2/O2-Atmospheres, 1st International Workshop on Oxy-Fuel Combustion, 2016.

  • Zabrodiec, D., Hees, J., Maßmeyer, A. and Kneer, R.Progress and Challenges in Flow Field Studies of 40 - 60 kW Pulverized Coal Flames, Joint Meeting the German and Italian Sections of the Combustion Institute, 2018.

  • Zabrodiec, D., Hees, J., Maßmeyer, A., vom Lehn, F., Habermehl, M., Hatzfeld, O. and Kneer, R.Experimental investigation of pulverized coal flames in CO2/O2 - and N2/O2 -atmospheres: Comparison of solid particle radiative characteristics, Fuel, 201: 136-147, 2017.

  • Zabrodiec, D., Hees, J., Möller, G. H., Hatzfeld, O. and Kneer, R.Pulverized coal swirl flames in oxy-fuel conditions: Effects of oxidizer O 2 concentration on flow field and local gas composition, Proceedings of the Combustion Institute, 2018.

  • Zabrodiec, D., Maßmeyer, A., Hees, J., Hatzfeld, O. and Kneer, R.Flow Pattern and Behavior of 40 kWth Pulverized Torrefied Biomass Flames under Atmospheric and Oxy-fuel Conditions, 14th International Conference on Sustainable Development of Energy, Water and Environment Systems, 2019.

  • Maßmeyer, A., Zabrodiec, D., Hees, J., Kreitzberg, T., Hatzfeld, O. and Kneer, R.Flame Pattern Analysis for 60 kWth Flames under Conventional Air-Fired and Oxy-Fuel Conditions for Two Different Types of Coal, 9th International Symposium on Coal Combustion, 2019.

  • Askarizadeh, H., Zabrodiec, D., Maßmeyer, A., Kreitzberg, T. and Kneer, R.Numerical simulation of swirl oxy-coal combustion in a 60 kW Test Facility using the SST k-textgreekw turbulence model, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Maßmeyer, A., Zabrodiec, D., Dreizler, A. and Kneer, R.Stability Analysis of 60~kWth Coal Flames under Air and Oxyfuel Conditions, 3rd International Workshop on Oxy-Fuel Combustion, 2020.

  • Maßmeyer, A., Zabrodiec, D., Hees, J., Kreitzberg, T., Hatzfeld, O. and Kneer, R.Flame pattern analysis for 60~kWth flames under conventional air-fired and oxy-fuel conditions for two different types of coal, Fuel, 271: 117457, 2020.

  • Nicolai, H., Wen, Xu, Miranda, F. C., Zabrodiec, D., Maßmeyer, A., di Mare, F., Dreizler, A., Hasse, C., Kneer, R. and Janicka, J.Numerical investigation of swirl-stabilized pulverized coal flames in air and oxy-fuel atmospheres by means of large eddy simulation coupled with tabulated chemistry, Fuel: 119429, 2020.

  • Zabrodiec, D., Maßmeyer, A., Hees, J., Hatzfeld, O. and Kneer, R.Flow pattern and behavior of 40 kWth pulverized torrefied biomass flames under atmospheric and oxy-fuel conditions, Renewable and Sustainable Energy Reviews: 110493, 2020.

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C2

Unsteady modelling and simulation of Oxy-Fuel combustion chambers

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C3

Spectral modeling of thermal radiation in Oxy-Fuel pulverized coal flames

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C4

Modelling of radiative properties of pulverised biomass particles during Oxy-Fuel combustion

  • Gronarz, T., Hatzfeld, O., Habermehl, M. and Kneer, R.On the Importance of Particle Radiation Interaction in the Numerical Simulation of Pulverized Coal Combustion, [10th European Conference on Industrial Furnaces and Boilers : INFUB 10 ; 07/04/2015 - 10/04/2015 ; Porto, Portugal], 2015.

  • Johansson, R., Gronarz, T. and Kneer, R.Influence of Index of Refraction and Particle Size Distribution on Radiative Heat Transfer in a PCC Furnace, ASME Journal of Heat Transfer, 16 (144): 1-21, 2016.

  • Gronarz, T., Habermehl, M. and Kneer, R.Modeling of particle radiation interaction in solid fuel combustion with artificial neural networks, Journal of Power Technologies SI: ICCHMT, 96 (3): 206-211, 2016.

  • Gronarz, T., Habermehl, M. and Kneer, R.Modeling of Particle Radiative Properties in Coal Combustion depending on Burnout, Heat and Mass Transfer, 2017.

  • Gronarz, T., Schnell, M., Siewert, C., Schneiders, L., Schröder, W. and Kneer, R.Comparison of scattering behaviour for spherical and non-spherical particles in pulverized coal combustion, International Journal of Thermal Sciences, 111: 116-128, 2017.

  • Gronarz, T., Schulze, J., Laemmerhold, M., Graeser, P., Gorewoda, J., Kez, V., Habermehl, M., Schiemann, M., Ströhle, J., Epple, B., Scherer, V. and Kneer, R.Quantification of the influence of parameters determining radiative heat transfer in an oxy-fuel operated boiler, Fuel Processing Technology, 2016.

  • Gronarz, T., Habermehl, M. and Kneer, R.Approximations for particle scattering phase functions in solid fuel combustion, 41st International Technical Conference on Clean Coal and Fuel Systems, Clearwater, Florida, 2016.

  • Gronarz, T., Habermehl, M. and Kneer, R.Modellierung der Streuung und Absorption von Wärmestrahlung an Partikeln bei der Verbrennung von Kohlenstaub, ProcessNet, Jahrestreffen der Fachgruppe Wärme- und Stoffübertragung, Kassel, 2016.

  • Gronarz, T., Hatzfeld, O., Habermehl, M. and Kneer, R.Investigation of modelling approaches for scattering and absorption properties of particles in pulverized coal combustion, Industrial Combustion, 2016.

  • Gronarz, T., Habermehl, M. and Kneer, R.Influence of Approximations for Particle Scattering Phase Functions on Heat Transfer, 10th Mediterranean Combustion Symposium, 2017.

  • Gronarz, T., Schiemann, M. and Kneer, R.Sensitivity Analysis for Parameters for Radiative Heat Transfer in a 3-D pulverized Coal Combustion Scenario, Eurotherm Seminar 110 – Computational Thermal Radiation in Participating Media - VI, Cascais, Portugal, 2018.

  • Gronarz, T., Johansson, R. and Kneer, R.Modeling of Anisotropic Scattering of Thermal Radiation in Pulverized Coal Combustion, Journal of Heat Transfer, 140 (6): 062701, 2018.

  • Kez, V., Consalvi, J-L., Liu, F., Gronarz, T., Ströhle, J., Kneer, R. and Epple, B.Investigation of gas and particle radiation modelling in wet oxy-coal combustion atmospheres, International Journal of Heat and Mass Transfer, 133: 1026-1040, 2019.

  • Gronarz, T., Höges, C., Kez, V., Habermehl, M. and Kneer, R.Comparison of scattering behaviour for inhomogeneous particles in pulverized coal combustion, International Journal of Thermal Sciences, 140: 1-7, 2019.

  • Johansson, R., Gronarz, T. and Kneer, R.Influence of Index of Refraction and Particle Size Distribution on Radiative Heat Transfer in a Pulverized Coal Combustion Furnace, Journal of Heat Transfer, 139 (4): 042702, 2017.

  • Kez, V., Consalvi, J-L., Liu, F., Gronarz, T., Ströhle, J., Kneer, R. and Epple, B.Investigation of gas and particle radiation modelling in wet oxy-coal combustion atmospheres, International Journal of Heat and Mass Transfer, 133: 1026-1040, 2019.

  • Gronarz, T., Hatzfeld, O., Habermehl, M. and Kneer, R.On the importance of of particle radiation interaction in the numerical simulation of pulverized coal combustion, 10th European Conference on Industrial Furnaces and Boilers : INFUB 10, 2015.

  • Gronarz, T., Habermehl, M. and Kneer, R.Influence of Approximations for Particle Scattering Phase Functions on Heat Transfer, 10th Mediterranean Combustion Symposium, 2017.

  • Schiemann, M., Gronarz, T., Graeser, P., Gorewoda, J., Scherer, V. and Kneer, R.A correlation between char emissivity and temperature, 2nd International Workshop on Oxy-fuel Combustion, 2018.

  • Kez, V., Consalvi, J-L., Liu, F., Koch, M., von Bohnstein, M., Ströhle, J., Hatzfeld, O. and Kneer, R.Entwicklung eines Weigthed-Sum-of-Gray-Gases Modells zur Berücksichtigung nicht-grauer Strahlungseigenschaften von Partikeln in Feststoffverbrennungen, 29. Deutscher Flammentag, 2019.

  • Koch, M., Pörtner, L., Gu, Y., Schiemann, M., Rohlfs, W. and Kneer, R.Comparison of scattering phase functions of reacting and non-reacting pulverised fuel particles, Fuel: 119415, 2020.

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C5

Measurement of the radiative properties of solid fuel particles in Oxy-Fuel atmospheres

  • Graeser, P. and Schiemann, M.An attempt to measure the emissivity of burning coal particles in Oxy-fuel atmospheres: Test rig calibration and first results, [40th International Technical Conference on Clean Coal & Fuel Systems 31/05/2015 – 04/06/2015, Clearwater, FL, USA], 2015.

  • Schiemann, M. and .Graeser,Char particle emissivity of two coal chars in oxy-fuel atmospheres, Fuel, 183: 405-413, 2016.

  • Gronarz, T., Schulze, J., Laemmerhold, M., Graeser, P., Gorewoda, J., Kez, V., Habermehl, M., Schiemann, M., Ströhle, J., Epple, B., Scherer, V. and Kneer, R.Quantification of the influence of parameters determining radiative heat transfer in an oxy-fuel operated boiler, Fuel Processing Technology, 2016.

  • Graeser, P. and Schiemann, M.Corrigendum to “Emissivity of burning bituminous coal char particles – Burnout effects” [Fuel 196 (2017) 336–343], Fuel, 234: 225-226, 2018. doi 

  • Schiemann, M., Graeser, P., Vorobiev, N., Heuer, S. and Scherer, V.Combustion investigations with Colombian coal: Summary of experiments and numerical interpretation, The 42nd International Technical Conference on Clean Energy, Clearwater, Florida, 2017.

  • Graeser, P., Wütscher, A., Cerciello, F., Muhler, M. and Schiemann, M.Emissivity Comparison between Chars and Demineralized Coal Chars under Oxycombustion Conditions, Chemical Engineering & Technology, 2018. doi 

  • Graeser, P. and Schiemann, M.Einfluss der Partikelgrösse auf den Partikelemissionsgrad eines Steinkohlekokses, 28. Deutscher Flammentag, 2017.

  • Graeser, P. and Schiemann, M.Corrigendum to “Emissivity of burning bituminous coal char particles – Burnout effects” [Fuel 196 (2017) 336–343], Fuel, 234: 225-226, 2018. doi 

  • Schiemann, M., Gronarz, T., Graeser, P., Gorewoda, J., Scherer, V. and Kneer, R.A correlation between char emissivity and temperature, 2nd International Workshop on Oxy-fuel Combustion, 2018.

  • von Bohnstein, M., Graeser, P., Schiemann, M., Ströhle, J. and Epple, B.3D CFD Simulation of a 250 MWel Oxy-fuel Boiler with Evaluation of Heat Radiation Calculation, 14th International Conference on Sustainable Development of Energy, Water and Environment Systems, 2019.

  • Graeser, P., Pörtner, L. and Schiemann, M.Influence of the Mineral Content on the Emissivity of Hydrothermal Char, Chemical Engineering & Technology, 43 (5): 1016-1020, 2020.

  • Graeser, P. and Schiemann, M.Investigations on the emissivity of burning coal char particles: Influence of particle temperature and composition of reaction atmosphere, Fuel, 263: 116714, 2020.

  • Koch, M., Pörtner, L., Gu, Y., Schiemann, M., Rohlfs, W. and Kneer, R.Comparison of scattering phase functions of reacting and non-reacting pulverised fuel particles, Fuel: 119415, 2020.

  • Pörtner, L., Gu, Y. and Schiemann, M.Investigation of Pulverized Biomass and Coal Char Emissivity, Energies, 13 (18): 4620, 2020.

  • Schiemann, M., Graeser, P. and Pörtner, L.Char emissivity measurements for coal chars, 9th European Combustion Meeting, 2019.

  • Gronarz, T., Schiemann, M. and Kneer, R.Sensitivity Analysis for Parameters for Radiative Heat Transfer in a 3-D pulverized Coal Combustion Scenario, Eurotherm Seminar 110 – Computational Thermal Radiation in Participating Media - VI, Cascais, Portugal, 2018.

  • von Bohnstein, M., Richter, M., Graeser, P., Schiemann, M., Ströhle, J. and Epple, B.3D CFD simulation of a 250 MWel oxy-fuel boiler with evaluation of heat radiation calculation, Renewable and Sustainable Energy Reviews, 137, 2021.

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C6(F)

Measurement of the temperature depending spectral emissivity of ashes and deposits under Oxy-Fuel conditions

  • Greffrath, F., Gorewoda, J., Schiemann, M. and Scherer, V.Influence of chemical composition and physical structure on normal radiant emittance characteristics of ash deposits, Fuel, 134 (May): 307-314, 2014.

  • Gorewoda, J., Schiemann, M., Scherer, V. and Neuroth, M.An examination on the influence of the oxidation state of iron on the spectral radiative emittance of synthetic ash layers, [40th International Technical Conference on Clean Coal & Fuel Systems 31/05/2015 – 04/06/2015, Clearwater, FL, USA], 2015.

  • Gronarz, T., Schulze, J., Laemmerhold, M., Graeser, P., Gorewoda, J., Kez, V., Habermehl, M., Schiemann, M., Ströhle, J., Epple, B., Scherer, V. and Kneer, R.Quantification of the influence of parameters determining radiative heat transfer in an oxy-fuel operated boiler, Fuel Processing Technology, 2016.

  • Gorewoda, J. and Scherer, V.Influence of Carbonate Decomposition on Normal Spectral Radiative Emittance in the Context of Oxyfuel Combustion, Energy & Fuels, 30 (11): 9752-9760, 2016.

  • Gorewoda, J. and Scherer, V.Comparison of normal spectral emittance of sulfates and carbonates - significant mineral classes of ashes under oxy-fuel conditions, Combura Symposium, Soesterberg, Niederlande, 2016.

  • Gorewoda, J. and Scherer, V.Normal radiative emittance of coal ash sulfates in the context of oxyfuel combustion, Energy & Fuel, 2017.

  • Gorewoda, J. and Scherer, V.Key parameters for the radiative emittance of ashes of solid fuels, 11TH European Conference on Industrial Furnaces and Boilers, Albufeira, Portugal, 18th-21st April, 2017.

  • Draper, T., Gorewoda, J., Kolczynski, L., Fry, A., Scherer, V., Ring, T. and Eddings, E.The Influence of Temperature on the Spectral Emittance of Ash Deposits taken from a 1.5 MW, Pulverized Coal Test Facility, Clearwater Clean Energy Conference, The 42nd International Technical Conference On Clean Energy, Clearwater, Florida, USA, 2017.

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