The dissipation range spectrum

It is shown that the available data for the skewness of velocity derivatives in turbulent flows are consistent with a simple exponential decay in the dissipation range, i.e., ∼exp(−ak), rather than ∼exp(−ak m ), where m≳1.

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Bibliographische Detailangaben
Veröffentlicht in:	Physics of fluids. A, Fluid dynamics Fluid dynamics, 1992-06, Vol.4 (6), p.1320-1321
1. Verfasser:	Manley, Oscar P.
Format:	Artikel
Sprache:	eng
Schlagworte:	CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DECAY ENERGY SPECTRA Exact sciences and technology Fluid dynamics FLUID FLOW Fundamental areas of phenomenology (including applications) INCOMPRESSIBLE FLOW Mechanics Physical Sciences Physics Physics, Fluids & Plasmas REYNOLDS NUMBER Science & Technology SPECTRA 661300 > Other Aspects of Physical Science-- (1992-) Technology TURBULENT FLOW Turbulent flows, convection, and heat transfer VISCOUS FLOW
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Beschreibung
Zusammenfassung:	It is shown that the available data for the skewness of velocity derivatives in turbulent flows are consistent with a simple exponential decay in the dissipation range, i.e., ∼exp(−ak), rather than ∼exp(−ak m ), where m≳1.
ISSN:	0899-8213 2163-5013
DOI:	10.1063/1.858408