Assessment of Taylor’s hypothesis and local isotropy due to strain applied to a nearly homogeneous and isotropic flow

Assessment of Taylor’s hypothesis and local isotropy due to strain applied to a nearly... The effect of variation of the integral length scale on the accuracy of Taylor’s hypothesis and the assumption of local isotropy when a mean strain is applied to a nearly homogeneous and isotropic, heated turbulent flow is investigated. The mean strain is produced by placing one of two cylinders downstream of the heated wire mesh. Results show, the mean strain rate where the directly measured variance of the streamwise spatial gradient differs by less than ten percent from the corresponding value computed using Taylor’s hypothesis and temporal derivative decreases with increasing the ratio of the integral length scale to the cylinder diameter. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Assessment of Taylor’s hypothesis and local isotropy due to strain applied to a nearly homogeneous and isotropic flow

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Publisher
Springer-Verlag
Copyright
Copyright © 1999 by Springer-Verlag Berlin Heidelberg
Subject
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s003480050272
Publisher site
See Article on Publisher Site

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