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Advanced modeling approaches for CFD simulations of coal combustion and gasification

Hasse, C. ; Debiagi, P. ; Wen, X. ; Hildebrandt, K. ; Vascellari, M. ; Faravelli, T. (2021):
Advanced modeling approaches for CFD simulations of coal combustion and gasification.
86, In: Progress in Energy and Combustion Science, p. 100938. Elsevier, ISSN 0360-1285,
DOI: 10.1016/j.pecs.2021.100938,
[Article]

Abstract

Coal is the most abundant fossil fuel and is widely used as an energy source for combustion and gasification. Both experimental methods and computational tools are required for the development of new advanced, innovative clean coal technologies and systems. In particular, 3D computational fluid dynamics (CFD) simulations can provide detailed local and global information on the interaction of fluid dynamics, mixing, and heterogeneous and homogeneous chemical reactions even for complex systems such as combustors, gasifiers, or chemical reactors. The predictive capabilities of CFD simulations depend directly on appropriate models and their mutual interactions. The current state of modeling is reviewed in this paper and the need for further improvements of both individual models and their respective coupling is addressed. In addition, to evaluate and validate the models and their interactions, systems with increasing complexity and well-defined boundary and operating conditions are required that can provide suitable experimental data. A number of reference burners and combustors, developed especially at universities and research institutions, are also presented and recent simulation data for these systems is reviewed.

Item Type: Article
Erschienen: 2021
Creators: Hasse, C. ; Debiagi, P. ; Wen, X. ; Hildebrandt, K. ; Vascellari, M. ; Faravelli, T.
Title: Advanced modeling approaches for CFD simulations of coal combustion and gasification
Language: English
Abstract:

Coal is the most abundant fossil fuel and is widely used as an energy source for combustion and gasification. Both experimental methods and computational tools are required for the development of new advanced, innovative clean coal technologies and systems. In particular, 3D computational fluid dynamics (CFD) simulations can provide detailed local and global information on the interaction of fluid dynamics, mixing, and heterogeneous and homogeneous chemical reactions even for complex systems such as combustors, gasifiers, or chemical reactors. The predictive capabilities of CFD simulations depend directly on appropriate models and their mutual interactions. The current state of modeling is reviewed in this paper and the need for further improvements of both individual models and their respective coupling is addressed. In addition, to evaluate and validate the models and their interactions, systems with increasing complexity and well-defined boundary and operating conditions are required that can provide suitable experimental data. A number of reference burners and combustors, developed especially at universities and research institutions, are also presented and recent simulation data for these systems is reviewed.

Journal or Publication Title: Progress in Energy and Combustion Science
Volume: 86
Publisher: Elsevier
Uncontrolled Keywords: Coal, CFD, Kinetics, Combustion, Gasification, Modeling
Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Simulation of reactive Thermo-Fluid Systems (STFS)
Date Deposited: 08 Jul 2021 04:55
DOI: 10.1016/j.pecs.2021.100938
Official URL: https://www.sciencedirect.com/science/article/pii/S036012852...
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