Heat and mass transfer within thermogravimetric analyser: From simulation to improved estimation of kinetic data for char gasification
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- 作者：S. Schulzea ; P. Nikrityukb ; nikrityu@ualberta.ca" class="auth_mail" title="E-mail the corresponding author ; Z. Abosteifa ; S. Guhla ; A. Richterc ; a.richter@vtc.tu-freiberg.de" class="auth_mail" title="E-mail the corresponding author ; B. Meyera
- 关键词：Coal char ; TGA ; Computational fluid dynamics ; Reaction kinetics ; Gasification
- 刊名：Fuel
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：187
- 期：Complete
- 页码：338-348
- 全文大小：3070 K
文摘
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Gasification experiments of HOK lignite char with CO2 in TGA are conducted.
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CFD reactor simulation of the char gasification in TGA is presented.
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Char conversion including heat and mass transfer near the sample is modeled.
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Detailed particle-resolved simulations of char within crucible validate the model.
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Diffusion limitation are considered for estimation of kinetic parameters.