Wall Temperature Effects on the Reynold Stress of Flat-Plate Turbulent Boundary Layer: A Numerical Investigation
Year: 2019
Author: Xin Li, Changping Yu, Xinliang Li
Advances in Applied Mathematics and Mechanics, Vol. 11 (2019), Iss. 3 : pp. 653–663
Abstract
In this paper, direct numerical simulation (DNS) of spatially evolving flat-plate hypersonic turbulent boundary layer with free-stream Mach number 8 is used to study the effects of wall temperature on compressibility and Reynolds stress contribution. The DNS contains two cases with different wall temperatures, $T_w$/$T_\infty$=$10.03$ and $1.9$. The results show that lower wall temperature enhances both the compressibility and injection-and-sweeping motions near the wall.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/aamm.2018.s09
Advances in Applied Mathematics and Mechanics, Vol. 11 (2019), Iss. 3 : pp. 653–663
Published online: 2019-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 11
Keywords: Hypersonic direct numerical simulation wall temperature Reynold stress.
Author Details
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