Reference : Modeling of the biomass combustion on a forward acting grate using XDEM
Scientific journals : Article
Engineering, computing & technology : Chemical engineering
http://hdl.handle.net/10993/33156
Modeling of the biomass combustion on a forward acting grate using XDEM
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Mahmoudi, Amir Houshang mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit]
Besseron, Xavier mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit]
Hoffmann, F. [InuTech GmbH, Fuerther Strasse 212, Nuremberg, Germany]
Markovic, M. [Energy Technology, University of Twente, Drienerlolaan 5, AE Enschede, Netherlands]
Peters, Bernhard mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit]
2016
Chemical Engineering Science
Elsevier Ltd
142
32-41
Yes (verified by ORBilu)
International
00092509
[en] Biomass ; Combustion ; Forward acting grate ; Modeling ; Chemical reactions ; Cracking (chemical) ; Fuels ; Lagrange multipliers ; Models ; Phase interfaces ; Two phase flow ; Chemical phenomenas ; Euler-lagrange models ; Gas-phase reactions ; Grate firing systems ; La-grangian approaches ; Simulations and measurements ; Thermo chemical process
[en] The grate firing system is one of the most common ways for the combustion of biomass because it is able to burn a broad range of fuels with only little or even no requirement for fuel preparation. In order to improve the fuel combustion efficiency, it is important to understand the details of the thermochemical process in such furnaces. However, the process is very complex due to many involved physical and chemical phenomena such as drying, pyrolysis, char combustion, gas phase reaction, two phase flow and many more. The main objective of this work is to study precisely the involved processes in biomass combustion on a forward acting grate and provide a detailed insight into the local and global conversion phenomena. For this purpose, XDEM as an Euler-Lagrange model is used, in which the fluid phase is a continuous phase and each particle is tracked with a Lagrangian approach. The model has been compared with experimental data. Very good agreements between simulation and measurement have been achieved, proving the ability of the model to predict the biomass combustion under study on the grate. © 2015 Elsevier Ltd.
http://hdl.handle.net/10993/33156
10.1016/j.ces.2015.11.015

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