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Comment on the Clauser chart method for determining the friction velocity

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Abstract

A known difficulty with using the Clauser chart method to determine the friction velocity in wall bounded flows is that it assumes, a priori, a logarithmic law for the mean velocity profile. Using both experimental and DNS data in the literature, this note explicitly shows how friction velocities obtained using the Clauser chart method can potentially mask subtle Reynolds-number-dependent behavior.

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Notes

  1. This paper is not intended to discuss the validity of the log-law, which has been debated widely by, among others, George and Castillo (1997), Barenbaltt and Chorin (1998), and Zagarola et al. (1997).

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, 84112, USA

    Tie Wei & Patrick McMurtry

  2. Computational Sciences Department 9233, Sandia National Laboratories, Albuquerque, NM, 87185, USA

    Rodney Schmidt

Authors
  1. Tie Wei
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  2. Rodney Schmidt
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  3. Patrick McMurtry
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Correspondence to Tie Wei.

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Wei, T., Schmidt, R. & McMurtry, P. Comment on the Clauser chart method for determining the friction velocity. Exp Fluids 38, 695–699 (2005). https://doi.org/10.1007/s00348-005-0934-3

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  • DOI: https://doi.org/10.1007/s00348-005-0934-3

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