Intermittency and scaling laws for wall bounded turbulence

被引：35
|
作者：
Benzi, R
Amati, G
Casciola, CM
Toschi, F
Piva, R
机构：
[1] Autorita Informat Pubbl Amministraz, I-00185 Rome, Italy
[2] Ist Nazl Fis Mat, Unita Tor Vergata, Rome, Italy
[3] Consorzio Applicaz Supercalcolo Univ Ric, I-00185 Rome, Italy
[4] Univ Roma La Sapienza, Dipartimento Meccan & Aeronaut, I-00184 Rome, Italy
[5] Univ Pisa, Dipartimento Fis, I-56126 Pisa, Italy
来源：
PHYSICS OF FLUIDS | 1999年 / 11卷 / 06期
关键词：
D O I：
10.1063/1.869993
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Well defined scaling laws clearly appear in wall bounded turbulence, very close to the wall, where a distinct violation of the refined Kolmogorov similarity hypothesis (RKSH) occurs together with the simultaneous persistence of scaling laws. A new form of RKSH for the wall region is here proposed in terms of the structure functions of order two which, in physical terms, confirms the prevailing role of the momentum transfer towards the wall in the near wall dynamics. (C) 1999 American Institute of Physics. [S1070-6631(99)03706-X].
引用
收藏
页码：1284 / 1286
页数：3
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