Abstract
Three kinds of forebody model of hypersonic vehicles were studied with numerical simulation method. It shows that the two-order compressive ramp model is the best selection among the three for its good evaluative parameters value at the cowl of the inlet. This model can provide higher value of flux coefficient and total pressure recovery coefficient and lower average Mach number compared with those of the other two models. Simultaneously different compressive angles may have different effects. The configuration which the first-order of compressive angle is 4° and the second 5° is the optimum combination. Furthermore factors such as attack angle were concerned. Better result may be obtained with a range of attack angles. Based on the work above the integrated design for forebody/inlet of a hypersonic vehicle was performed. The numerical result shows that this integrated model provides good flow field quality for inlet and engine work.
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Communicated by BIAN Yin-gui, Original Member of Editorial Committee, AMM
Biographies: LIU Jia (1970≈), Doctor E-mail: liujia2003@hotmail.com WANG Fa-min (Tel: +86-010-62537660; Fax: +86-010-62651284; E-mail: wangfm@imch.ac.cn)
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Jia, L., Wen-xiu, Y., Mai-fang, L. et al. Forebody compressibility research of hypersonic vehicle. Appl Math Mech 25, 93–101 (2004). https://doi.org/10.1007/BF02437297
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DOI: https://doi.org/10.1007/BF02437297