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The Use of DNS to Define Stress Producing Events for Turbulent Flow over a Smooth Wall |
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| Authors: | Yang Na Thomas J. Hanratty Zi-Chao Liu |
| Affiliation: | (1) Department of Mechanical Engineering, Konkuk University, Seoul, 143-701, Korea;(2) Chemical Engineering Department, School of Chemical Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, U.S.A |
| Abstract: | Over the past 15 years direct numerical simulations (DNS) of turbulent flow and particle image velocimetry (PIV) have provided the opportunity to obtain information about a turbulent velocity field simultaneously at a large number of locations. This paper gives a personal viewpoint of how these techniques are providing new insights about the Reynolds stress producing structures in turbulence generated by flow over a smooth boundary. This revised version was published online in August 2006 with corrections to the Cover Date. |
| Keywords: | channel flow direct numerical simulation Reynolds stress turbulent flow turbulence production turbulent structure |
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