ITP OpenIR  > 理论物理所2015年知识产出
Multiple-relaxation-time lattice Boltzmann kinetic model for combustion
Xu, AG; Lin, CD; Zhang, GC; Li, YJ; Xu, AG (reprint author), Inst Appl Phys & Computat Math, Natl Key Lab Computat Phys, POB 8009-26, Beijing 100088, Peoples R China.
2015
发表期刊PHYSICAL REVIEW E
卷号91期号:4页码:43306
文章类型Article
摘要To probe both the hydrodynamic nonequilibrium (HNE) and thermodynamic nonequilibrium (TNE) in the combustion process, a two-dimensional multiple-relaxation-time (MRT) version of lattice Boltzmann kinetic model (LBKM) for combustion phenomena is presented. The chemical energy released in the progress of combustion is dynamically coupled into the system by adding a chemical term to the LB kinetic equation. Aside from describing the evolutions of the conserved quantities, the density, momentum, and energy, which are what the Navier-Stokes model describes, the MRT-LBKM presents also a coarse-grained description on the evolutions of some nonconserved quantities. The current model works for both subsonic and supersonic flows with or without chemical reaction. In this model, both the specific-heat ratio and the Prandtl number are flexible, the TNE effects are naturally presented in each simulation step. The model is verified and validated via well-known benchmark tests. As an initial application, various nonequilibrium behaviors, including the complex interplays between various HNEs, between various TNEs, and between the HNE and TNE, around the detonation wave in the unsteady and steady one-dimensional detonation processes are preliminarily probed. It is found that the system viscosity (or heat conductivity) decreases the local TNE, but increases the global TNE around the detonation wave, that even locally, the system viscosity (or heat conductivity) results in two kinds of competing trends, to increase and to decrease the TNE effects. The physical reason is that the viscosity (or heat conductivity) takes part in both the thermodynamic and hydrodynamic responses.
学科领域Physics
资助者Science Foundations of National Key Laboratory of Computational Physics, National Natural Science Foundation of China [11475028, 11202003] ; Science Foundations of National Key Laboratory of Computational Physics, National Natural Science Foundation of China [11475028, 11202003] ; opening project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology) [KFJJ14-1M] ; 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] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF151CJ1] ; National Natural Science Foundation of China [11074300, 41472130] ; National Natural Science Foundation of China [11074300, 41472130] ; National Basic Research Program of China [2013CBA01504] ; National Basic Research Program of China [2013CBA01504] ; Science Foundations of National Key Laboratory of Computational Physics, National Natural Science Foundation of China [11475028, 11202003] ; Science Foundations of National Key Laboratory of Computational Physics, National Natural Science Foundation of China [11475028, 11202003] ; opening project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology) [KFJJ14-1M] ; 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] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF151CJ1] ; National Natural Science Foundation of China [11074300, 41472130] ; National Natural Science Foundation of China [11074300, 41472130] ; National Basic Research Program of China [2013CBA01504] ; National Basic Research Program of China [2013CBA01504]
DOIhttp://dx.doi.org/10.1103/PhysRevE.91.043306
关键词[WOS]MACH NUMBER COMBUSTION ; ENTROPY GENERATION ; COMPRESSIBLE FLOWS ; DIFFUSION FLAME ; PREMIXED HYDROGEN ; SIMULATION ; AIR ; PROPAGATION ; DETONATION ; EQUATION
收录类别SCI
语种英语
资助者Science Foundations of National Key Laboratory of Computational Physics, National Natural Science Foundation of China [11475028, 11202003] ; Science Foundations of National Key Laboratory of Computational Physics, National Natural Science Foundation of China [11475028, 11202003] ; opening project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology) [KFJJ14-1M] ; 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] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF151CJ1] ; National Natural Science Foundation of China [11074300, 41472130] ; National Natural Science Foundation of China [11074300, 41472130] ; National Basic Research Program of China [2013CBA01504] ; National Basic Research Program of China [2013CBA01504] ; Science Foundations of National Key Laboratory of Computational Physics, National Natural Science Foundation of China [11475028, 11202003] ; Science Foundations of National Key Laboratory of Computational Physics, National Natural Science Foundation of China [11475028, 11202003] ; opening project of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology) [KFJJ14-1M] ; 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] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF151CJ1] ; National Natural Science Foundation of China [11074300, 41472130] ; National Natural Science Foundation of China [11074300, 41472130] ; National Basic Research Program of China [2013CBA01504] ; National Basic Research Program of China [2013CBA01504]
WOS类目Physics, Fluids & Plasmas ; Physics, Mathematical
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21022
专题理论物理所2015年知识产出
通讯作者Xu, AG (reprint author), Inst Appl Phys & Computat Math, Natl Key Lab Computat Phys, POB 8009-26, Beijing 100088, Peoples R China.
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Xu, AG,Lin, CD,Zhang, GC,et al. Multiple-relaxation-time lattice Boltzmann kinetic model for combustion[J]. PHYSICAL REVIEW E,2015,91(4):43306.
APA Xu, AG,Lin, CD,Zhang, GC,Li, YJ,&Xu, AG .(2015).Multiple-relaxation-time lattice Boltzmann kinetic model for combustion.PHYSICAL REVIEW E,91(4),43306.
MLA Xu, AG,et al."Multiple-relaxation-time lattice Boltzmann kinetic model for combustion".PHYSICAL REVIEW E 91.4(2015):43306.
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