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Hierarchy of structure functions for passive scalars advected by turbulent flows | |
He GW(何国威); Chen SY; Doolen G; He, GW (reprint author), Univ Calif Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. | |
发表期刊 | Physics Letters A |
1998 | |
卷号 | 246期号:1-2页码:135-138 |
ISSN | 0375-9601 |
摘要 | A hierarchical model is proposed for the joint moments of the passive scalar dissipation and the velocity dissipation in fluid turbulence. This model predicts that the joint probability density function (PDF) of the dissipations is a bivariate log-Poisson. An analytical calculation of the scaling exponents of structure functions of the passive scalar is carried out for this hierarchical model, showing a good agreement with the results of direct numerical simulations and experiments. |
学科领域 | 力学 |
DOI | 10.1016/S0375-9601(98)00512-X |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000075725500021 |
关键词[WOS] | FULLY-DEVELOPED TURBULENCE ; 3-DIMENSIONAL TURBULENCE ; SCALING LAWS ; INTERMITTENCY |
WOS研究方向 | Physics |
WOS类目 | Physics, Multidisciplinary |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/15808 |
专题 | 力学所知识产出(1956-2008) |
通讯作者 | He, GW (reprint author), Univ Calif Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. |
推荐引用方式 GB/T 7714 | He GW,Chen SY,Doolen G,et al. Hierarchy of structure functions for passive scalars advected by turbulent flows[J]. Physics Letters A,1998,246,1-2,:135-138. |
APA | 何国威,Chen SY,Doolen G,&He, GW .(1998).Hierarchy of structure functions for passive scalars advected by turbulent flows.Physics Letters A,246(1-2),135-138. |
MLA | 何国威,et al."Hierarchy of structure functions for passive scalars advected by turbulent flows".Physics Letters A 246.1-2(1998):135-138. |
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