Dynamic multiscaling in turbulence

Dynamic multiscaling in turbulence
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湍流中的动态多尺度

DOI:
10.1140/epjb/e2008-00048-6
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发表时间:
2007
期刊:
The European Physical Journal B
影响因子:
--
通讯作者:
D. Mitra
D. Mitra
中科院分区:
--
文献类型:
--
作者:
R. Pandit;Samriddhi Sankar Ray;D. Mitra

文献摘要

被引文献

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我们给出了一个概述的进展,近年来已在了解动态多尺度均匀,各向同性湍流和相关问题。我们强调这个问题与临界点附近的时间相关函数的动态缩放的相似性,例如,旋转系统。通过对流体湍流GOY壳模型的详细模拟,探讨了流体湍流动力学多尺度指数的普遍性。
We give an overview of the progress that has been made in recent years in understanding dynamic multiscaling in homogeneous, isotropic turbulence and related problems. We emphasise the similarity of this problem with the dynamic scaling of time-dependent correlation functions in the vicinity of a critical point in, e.g., a spin system. The universality of dynamic-multiscaling exponents in fluid turbulence is explored by detailed simulations of the GOY shell model for fluid turbulence.