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INVESTIGATION OF SUPERSONIC TRANSPIRATION COOLING THROUGH SINTERED METAL POROUS FLAT PLATES

Volume 18, Numéro 11, 2015, pp. 1047-1057
DOI: 10.1615/JPorMedia.2015012159
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RÉSUMÉ

The flow and heat transfer characteristics of supersonic transpiration cooling through sintered porous flat plates were investigated experimentally and numerically. The experiments were conducted in a Mach 2.8 wind tunnel with air as the main flow and coolant. The porous wall temperatures were measured with an infrared camera and the flow field was observed with a Schlieren imaging system. Influences of coolant blowing ratio and porous matrix thermal conductivity on the cooling efficiency were analyzed, which showed that the surface temperatures were reduced significantly with a small amount of coolant injection rate. Moreover, a higher thermal conductivity of the porous matrix improved the cooling effect and the surface temperature uniformity. The Schlieren images showed that an oblique shock wave induced by the blockage effect of the injected coolant and the shock wave intensity increased with the increasing coolant blowing ratio.

CITÉ PAR
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  2. Xiao Xuefeng, Zhao Guangbo, Zhou Weixing, Martynenko Sergey, Large-eddy simulation of transpiration cooling in turbulent channel with porous wall, Applied Thermal Engineering, 145, 2018. Crossref

  3. Jiang Peixue, Liao Zhiyuan, Huang Zheng, Xiong Yanbing, Zhu Yinhai, Influence of shock waves on supersonic transpiration cooling, International Journal of Heat and Mass Transfer, 129, 2019. Crossref

  4. Leontiev Alexandr, Saveliev Andrei, Kichatov Boris, Kiverin Alexey, Korshunov Alexey, Sudakov Vladimir, Effect of gaseous coolant temperature on the transpiration cooling for porous wall in the supersonic flow, International Journal of Heat and Mass Transfer, 142, 2019. Crossref

  5. Zhang Silong, Li Xin, Zuo Jingying, Qin Jiang, Cheng Kunlin, Feng Yu, Bao Wen, Research progress on active thermal protection for hypersonic vehicles, Progress in Aerospace Sciences, 119, 2020. Crossref

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  7. Zhu Yinhai, Yan Shuai, Zhao Ran, Jiang Peixue, Experimental Investigation of Flow Coking and Coke Deposition of Supercritical Hydrocarbon Fuels in Porous Media, Energy & Fuels, 32, 3, 2018. Crossref

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