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.
Reynolds stress scaling in the near-wall region of wall-bounded flows / Smits, A. J.; Hultmark, M.; Lee, M.; Pirozzoli, S.; Wu, X.. - In: JOURNAL OF FLUID MECHANICS. - ISSN 0022-1120. - 926:(2021). [10.1017/jfm.2021.736]
Reynolds stress scaling in the near-wall region of wall-bounded flows
Pirozzoli S.;
2021
Abstract
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.| File | Dimensione | Formato | |
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