Chin. Phys. Lett.  2006, Vol. 23 Issue (3): 656-659    DOI:
Original Articles |
A Novel Lattice Boltzmann Model For Reactive Flows with Fast Chemistry
CHEN Sheng1;LIU Zhao-Hui2;HE Zhu2;ZHANG Chao2;TIAN Zhi-Wei2;SHI Bao-Chang2;ZHENG Chu-Guang2
1National Technology Center, Wuhan Iron and Steel (Group) Company, Wuhan 430083 2State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074
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CHEN Sheng, LIU Zhao-Hui, HE Zhu et al  2006 Chin. Phys. Lett. 23 656-659
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Abstract A novel lattice Boltzmann model, in which we take the ratio of temperature difference in the temperature field to the environment one to be more than one order of magnitude than before, is developed to simulate two-dimensional reactive flows with fast chemistry. Different from the hybrid scheme for reactive flows [Comput. Phys. Commun. 129(2000)267], this scheme is strictly in a pure lattice Boltzmann style (i.e., we solve the flow, temperature, and concentration fields using the lattice Boltzmann method only). Different from the recent non-coupled lattice Boltzmann scheme [Int. J. Mod. Phys. B 17(2003)197], the fluid density in our model is coupled directly with the temperature. Excellent agreement between the present results and other numerical data shows that this scheme is an efficient numerical method for practical reactive flows with fast chemistry.
Keywords: 47.11.+j      47.10.+g      82.60.-s     
Published: 01 March 2006
PACS:  47.11.+j  
  47.10.+g  
  82.60.-s (Chemical thermodynamics)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I3/0656
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CHEN Sheng
LIU Zhao-Hui
HE Zhu
ZHANG Chao
TIAN Zhi-Wei
SHI Bao-Chang
ZHENG Chu-Guang
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