INTERMITTENCY EXPONENTS AND GENERALIZED DIMENSIONS OF A DIRECTLY SIMULATED FULLY-DEVELOPED TURBULENCE

被引:37
作者
HOSOKAWA, I [1 ]
YAMAMOTO, K [1 ]
机构
[1] NATL AEROSP LAB,CHOFU,TOKYO 182,JAPAN
来源
PHYSICS OF FLUIDS A-FLUID DYNAMICS | 1990年 / 2卷 / 06期
关键词
D O I
10.1063/1.857648
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
The qth-order intermittency exponents and generalized dimensions of isotropic turbulence are calculated for |q| ≤30 with possible error bounds based on the data of the direct numerical simulation, which was recently executed on the 1283 grid of a supercomputer to investigate a decaying isotropic turbulence. The intermittency exponents are compared with the theoretical and experimental values known thus far. The corresponding f-α spectrum is also presented and compared with the p model. © 1990 American Institute of Physics.
引用
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页码:889 / 892
页数:4
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