Effects of wall transpiration on the supersonic boundary-layer oblique-type transition
Lun Zhang,
Zhongzheng Jiang,
Weifang Chen
Abstract:The study of transpiration cooling is vital for the development of high-speed aircraft. In the current work, direct numerical simulation (DNS) is performed to investigate the impacts of wall transpiration on the boundary-layer oblique breakdown over a Mach 2 flat plate. The porous injection model is used to mimic the transpiration from the equally spaced circular pores. It has been observed from the numerical results that wall transpiration leads to the amplified growth rate of the imposed oblique mode waves, … Show more
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