Toward a Mesoscale-Structure-Based Kinetic Theory for Heterogeneous Gas-Solid Flow: Particle Velocity Distribution Function | |
Wang, Junwu1![]() ![]() | |
刊名 | AICHE JOURNAL
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2016-08-01 | |
卷号 | 62期号:8页码:2649-2657 |
关键词 | fluidization kinetic theory granular flow mesoscale structure particle velocity distribution mesoscience |
ISSN号 | 0001-1541 |
英文摘要 | Mesoscience has recently been proposed as a possible general concept for describing complex systems far from equilibrium, however, concrete formulations are needed, and particularly, a statistical mechanics foundation of mesoscience remains to be explored. To this end, the mathematical theory of stochastic geometry is combined with the energy minimization multi-scale (EMMS) principle under the concept of mesoscience to propose a statistical mechanics framework. An EMMS-based particle velocity distribution function is then derived as an example to show how the proposed framework works, and more importantly, as a first key step toward a generalized kinetic theory for heterogeneous gas-solid flow. It was shown that the resultant EMMS-based distribution is bimodal, instead of the widely-used Maxwellian distribution, but it reduces to the Maxwellian distribution when the gas-solid system is homogeneous. The EMMS-based distribution is finally validated by comparing its prediction of the variance of solid concentration fluctuation and granular temperature with experimental data available in literature. (C) 2016 American Institute of Chemical Engineers |
WOS标题词 | Science & Technology ; Technology |
类目[WOS] | Engineering, Chemical |
研究领域[WOS] | Engineering |
关键词[WOS] | CIRCULATING FLUIDIZED-BED ; FILTERED 2-FLUID MODELS ; NEAR-WALL REGION ; GRANULAR TEMPERATURE ; EULERIAN SIMULATION ; FCC PARTICLES ; SHOCK WAVE ; CFB RISERS ; DRAG MODEL ; STRESSES |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000382986000006 |
内容类型 | 期刊论文 |
源URL | [http://ir.ipe.ac.cn/handle/122111/21314] ![]() |
专题 | 过程工程研究所_多相复杂系统国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, Junwu,Zhao, Bidan,Li, Jinghai. Toward a Mesoscale-Structure-Based Kinetic Theory for Heterogeneous Gas-Solid Flow: Particle Velocity Distribution Function[J]. AICHE JOURNAL,2016,62(8):2649-2657. |
APA | Wang, Junwu,Zhao, Bidan,&Li, Jinghai.(2016).Toward a Mesoscale-Structure-Based Kinetic Theory for Heterogeneous Gas-Solid Flow: Particle Velocity Distribution Function.AICHE JOURNAL,62(8),2649-2657. |
MLA | Wang, Junwu,et al."Toward a Mesoscale-Structure-Based Kinetic Theory for Heterogeneous Gas-Solid Flow: Particle Velocity Distribution Function".AICHE JOURNAL 62.8(2016):2649-2657. |
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