Reynolds stress scaling in the near-wall region of wall-bounded flows

被引：29

作者：

Smits, Alexander J. ^{[1
]}

Hultmark, Marcus ^{[1
]}

Lee, Myoungkyu ^{[2
]}

Pirozzoli, Sergio ^{[3
]}

Wu, Xiaohua ^{[4
]}

机构：

[1] Princeton Univ, Dept Mech & Aerosp Engn, Princeton, NJ 08544 USA

[2] Sandia Natl Labs, Livermore, CA 94551 USA

[3] Univ Roma Sapienza, Dipartimento Ingn Meccan & Aerosp, I-00184 Rome, Italy

[4] Royal Mil Coll Canada, Dept Mech & Aerosp Engn, Kingston, ON K7K 7B4, Canada

来源：

JOURNAL OF FLUID MECHANICS | 2021年 / 926卷

关键词：

boundary layer structure; pipe flow boundary layer; turbulent boundary layers; FOOTPRINTS; TURBULENCE; LAYER;

D O I：

10.1017/jfm.2021.736

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A new scaling is derived that yields a Reynolds-number-independent profile for all components of the Reynolds stress in the near-wall region of wall-bounded flows, including channel, pipe and boundary layer flows. The scaling demonstrates the important role played by the wall shear stress fluctuations and how the large eddies determine the Reynolds number dependence of the near-wall turbulence behaviour.

引用

页数：19

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