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

Alexander J. Smits, Marcus Hultmark, Myoungkyu Lee, Sergio Pirozzoli, Xiaohua Wu

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish (US)
Article numberA31
JournalJournal of Fluid Mechanics
Volume926
DOIs
StatePublished - Nov 10 2021

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • boundary layer structure
  • pipe flow boundary layer
  • turbulent boundary layers

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