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Reply by Authors to A. Goldburg

Behrens, Wilhelm and Lees, Lester (1965) Reply by Authors to A. Goldburg. AIAA Journal, 3 (5). pp. 991-992. ISSN 0001-1452. doi:10.2514/3.55155.

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Goldburg has apparently misunderstood the significance of the local minimum critical Reynolds number (Re_f, d)min, er. When the effective turbulent diffusivity ε_T is smaller than the kinematic viscosity, v_i, the work done by the Reynolds stresses is more than counterbalanced by the rate of viscous dissipation. Thus, turbulence in the wake cannot exist when (ε_T/u_fd) < (v_f/u_jd), or when Re_f, d < (Re_f, d)min, er, any more than turbulent flow in a pipe can exist below a critical Reynolds number of 2000. If one chooses to call this “quenching,” that is a problem in semantics and not in fluid mechanics.

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Additional Information:© 1965 AIAA. Received July 13, 1964; revision received January 7, 1965.
Issue or Number:5
Record Number:CaltechAUTHORS:20170807-144358436
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Official Citation:Reply by Authors to A. Goldburg WILHELM BEHRENS and LESTER LEES AIAA Journal 1965 3:5, 991-992
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:79862
Deposited By: Tony Diaz
Deposited On:07 Aug 2017 21:53
Last Modified:15 Nov 2021 17:51

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