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Discrete Boltzmann modeling of multiphase flows: hydrodynamic and thermodynamic non-equilibrium effects
Gan, YB; Xu, AG; Zhang, GC; Succi, S; Xu, AG (reprint author), Inst Appl Phys & Computat Math, Natl Key Lab Computat Phys, POB 8009-26, Beijing, Peoples R China.
2015
发表期刊SOFT MATTER
卷号11期号:26页码:5336-5345
文章类型Article
摘要A discrete Boltzmann model (DBM) is developed to investigate the hydrodynamic and thermodynamic non-equilibrium (TNE) effects in phase separation processes. The interparticle force drives changes and the gradient force, induced by gradients of macroscopic quantities, opposes them. In this paper, we investigate the interplay between them by providing a detailed inspection of various non-equilibrium observables. Based on the TNE features, we define TNE strength which roughly estimates the deviation amplitude from the thermodynamic equilibrium. The time evolution of the TNE intensity provides a convenient and efficient physical criterion to discriminate the stages of the spinodal decomposition and domain growth. Via the DBM simulation and this criterion, we quantitatively study the effects of latent heat and surface tension on phase separation. It is found that the TNE strength attains its maximum at the end of the spinodal decomposition stage, and it decreases when the latent heat increases from zero. The surface tension effects are threefold, prolong the duration of the spinodal decomposition stage, decrease the maximum TNE intensity, and accelerate the speed of the domain growth stage.
学科领域Chemistry ; Materials Science ; Physics ; Polymer Science
资助者Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089]
DOIhttp://dx.doi.org/10.1039/c5sm01125f
关键词[WOS]EQUATION-OF-STATE ; LATTICE-BOLTZMANN ; PHASE-SEPARATION ; COMPRESSIBLE FLOWS ; NONIDEAL FLUIDS ; BINARY FLUIDS ; SIMULATION ; COALESCENCE ; MIXTURES ; SURFACES
收录类别SCI
语种英语
资助者Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; Science Foundation of National Key Laboratory of Computational Physics ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y4KF151CJ1] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; National Natural Science Foundation of China [11475028, 11202003, 11203001] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089] ; Science Foundation of Hebei Province [A2013409003, YQ2013013, ZD2014089]
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary ; Physics, Multidisciplinary ; Polymer Science
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21127
专题理论物理所SCI论文
通讯作者Xu, AG (reprint author), Inst Appl Phys & Computat Math, Natl Key Lab Computat Phys, POB 8009-26, Beijing, Peoples R China.
推荐引用方式
GB/T 7714
Gan, YB,Xu, AG,Zhang, GC,et al. Discrete Boltzmann modeling of multiphase flows: hydrodynamic and thermodynamic non-equilibrium effects[J]. SOFT MATTER,2015,11(26):5336-5345.
APA Gan, YB,Xu, AG,Zhang, GC,Succi, S,&Xu, AG .(2015).Discrete Boltzmann modeling of multiphase flows: hydrodynamic and thermodynamic non-equilibrium effects.SOFT MATTER,11(26),5336-5345.
MLA Gan, YB,et al."Discrete Boltzmann modeling of multiphase flows: hydrodynamic and thermodynamic non-equilibrium effects".SOFT MATTER 11.26(2015):5336-5345.
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