• Open Access

Low-drag events in transitional wall-bounded turbulence

Richard D. Whalley, Jae Sung Park, Anubhav Kushwaha, David J. C. Dennis, Michael D. Graham, and Robert J. Poole
Phys. Rev. Fluids 2, 034602 – Published 6 March 2017
PDFHTMLExport Citation

Abstract

Intermittency of low-drag pointwise wall shear stress measurements within Newtonian turbulent channel flow at transitional Reynolds numbers (friction Reynolds numbers 70 – 130) is characterized using experiments and simulations. Conditional mean velocity profiles during low-drag events closely approach that of a recently discovered nonlinear traveling wave solution; both profiles are near the so-called maximum drag reduction profile, a general feature of turbulent flow of liquids containing polymer additives (despite the fact that all results presented are for Newtonian fluids only). Similarities between temporal intermittency in small domains and spatiotemporal intermittency in large domains is thereby found.

  • Figure
  • Figure
  • Figure
  • Received 26 January 2016

DOI:https://doi.org/10.1103/PhysRevFluids.2.034602

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Fluid DynamicsNonlinear Dynamics

Authors & Affiliations

Richard D. Whalley1,2, Jae Sung Park3,4, Anubhav Kushwaha3, David J. C. Dennis2, Michael D. Graham3, and Robert J. Poole2,*

  • 1School of Mechanical and Systems Engineering, Newcastle University, Newcastle NE1 7RU, United Kingdom
  • 2School of Engineering, University of Liverpool, Liverpool L69 3GH, United Kingdom
  • 3Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
  • 4Department of Mechanical and Material Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, USA

  • *robpoole@liverpool.ac.uk

Article Text

Click to Expand

Supplemental Material

Click to Expand

References

Click to Expand
Issue

Vol. 2, Iss. 3 — March 2017

Reuse & Permissions
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Fluids

Reuse & Permissions

It is not necessary to obtain permission to reuse this article or its components as it is available under the terms of the Creative Commons Attribution 4.0 International license. This license permits unrestricted use, distribution, and reproduction in any medium, provided attribution to the author(s) and the published article's title, journal citation, and DOI are maintained. Please note that some figures may have been included with permission from other third parties. It is your responsibility to obtain the proper permission from the rights holder directly for these figures.

×

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×