Volume 11, Issue 3
Wall Temperature Effects on the Reynold Stress of Flat-Plate Turbulent Boundary Layer: a Numerical Investigation

Xin Li ,  Changping Yu and Xinliang Li


Adv. Appl. Math. Mech., 11 (2019), pp. 653-663.

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  • 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.

  • History

Published online: 2019-01

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