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题名: Double-distribution-function discrete Boltzmann model for combustion
作者: Lin, CD ;  Xu, AG ;  Zhang, GC ;  Li, YJ
刊名: COMBUSTION AND FLAME
出版日期: 2016
卷号: 164, 页码:137-151
关键词: Discrete Boltzmann model ;  Combustion ;  Detonation ;  Nonequilibrium effects
学科分类: Thermodynamics; Energy & Fuels; Engineering
DOI: http://dx.doi.org/10.1016/j.combustflame.2015.11.010
通讯作者: Li, YJ (reprint author), China Univ Min & Technol, State Key Lab GeoMech & Deep Underground Engn, Beijing 100083, Peoples R China. ;  Xu, AG (reprint author), Inst Appl Phys & Computat Math, Lab Computat Phys, POB 8009-26, Beijing 100088, Peoples R China.
文章类型: Article
英文摘要: A 2-dimensional discrete Boltzmann model for combustion is presented. Mathematically, the model is composed of two coupled discrete Boltzmann equations for two species and a phenomenological equation for chemical reaction process. Physically, apart from the macroscopic behaviors described by a reactive Navier-Stokes model, this model presents also more information on the thermodynamic nonequilibrium. This model adopts 16 discrete velocities. It works for both subsonic and supersonic combustion phenomena with flexible specific heat ratio. To discuss the physical accuracy of the coarse-grained model for nonequilibrium behaviors, three other discrete velocity models are used for comparisons. Numerical results are compared with analytical solutions based on both the first-order and second-order truncations of the distribution function. It is confirmed that the physical accuracy increases with the increasing moment relations needed by nonequlibrium manifestations. Furthermore, compared with the single distribution function model, this model can simulate more details of combustion. (C) 2015 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
类目[WOS]: Thermodynamics ;  Energy & Fuels ;  Engineering, Multidisciplinary ;  Engineering, Chemical ;  Engineering, Mechanical
关键词[WOS]: MACH NUMBER COMBUSTION ;  BINARY-FLUID SYSTEMS ;  DIFFUSION COMBUSTION ;  COMPRESSIBLE FLOWS ;  HEAT RATIO ;  LATTICE ;  SIMULATION ;  FLAME ;  DETONATION ;  SHOCK
收录类别: SCI
项目资助者: Foundation of LCP ;  National Natural Science Foundation of China [11475028, 11202003, 11574390, 41472130, 11374360] ;  opening project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology) [KFJJ14-1M] ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF151CJ1] ;  National Basic Research Program of China [2013CBA01504]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21787
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Lin, CD,Xu, AG,Zhang, GC,et al. Double-distribution-function discrete Boltzmann model for combustion[J]. COMBUSTION AND FLAME,2016,164:137-151.
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