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Asymptotic scaling in turbulent pipe flow

McKeon, B. J. and Morrison, J. F. (2007) Asymptotic scaling in turbulent pipe flow. Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, 365 (1852). pp. 771-787. ISSN 1364-503X.

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The streamwise velocity component in turbulent pipe flow is assessed to determine whether it exhibits asymptotic behaviour that is indicative of high Reynolds numbers. The asymptotic behaviour of both the mean velocity (in the form of the log law) and that of the second moment of the streamwise component of velocity in the outer and overlap regions is consistent with the development of spectral regions which indicate inertial scaling. It is shown that an ‘inertial sublayer’ in physical space may be considered as a spatial analogue of the inertial subrange in the velocity spectrum and such behaviour only appears for Reynolds numbers R^+>5×10^3, approximately, much higher than was generally thought.

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McKeon, B. J.0000-0003-4220-1583
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Additional Information:© 2007 The Royal Society. One contribution of 14 to a Theme Issue ‘Scaling and structure in high Reynolds number wall-bounded flows’. The authors would like to thank Lex Smits for continuing use of the Superpipe data and insightful discussions, Jiang Wei-Min for experimental measurements and Paul Dimotakis for suggesting figure 8b. B.J.M. held a Royal Society Dorothy Hodgkin Fellowship for the duration of the majority of this work and J.F.M. was funded through the Leverhulme Trust (grant F/07058/H). The support of these sponsors is gratefully acknowledged.
Group:Graduate Aerospace Laboratories, GALCIT
Funding AgencyGrant Number
Royal Society Dorothy Hodgkin FellowshipUNSPECIFIED
Leverhulme TrustF/07058/H
Subject Keywords:asymptotic; inertial scaling; turbulent pipe flow
Issue or Number:1852
Record Number:CaltechAUTHORS:20141008-160556305
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50288
Deposited By: Jamie Sei
Deposited On:09 Oct 2014 20:14
Last Modified:03 Oct 2019 07:22

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