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DNS of turbulent heat transfer in a channel flow with a varying streamwise thermal boundary condition

✍ Scribed by Yohji Seki; Hiroshi Kawamura

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 620 KB
Volume: 35
Category: Article
ISSN: 1099-2871
DOI: 10.1002/htj.20114

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✦ Synopsis

Abstract

Direct numerical simulation (DNS) was performed for the turbulent heat transfer in a channel flow. In the present study, the effect of the thermal boundary condition was examined. DNS was carried out for varying streamwise thermal boundary conditions (Re~τ~ = 180) with Pr = 0.71 to obtain statistical mean temperatures, temperature variances, budget terms, and time scale ratios. The results obtained indicate that the time scale ratio varies along the stream direction. © 2006 Wiley Periodicals, Inc. Heat Trans Asian Res, 35(4): 265–278, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/htj.20114

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