Wall Temperature Effects on the Reynold Stress of Flat-Plate Turbulent Boundary Layer: A Numerical Investigation

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

Xin Li

Changping Yu

Xinliang Li

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