基于马赫数分布可控曲面外/内锥形基准流场的前体/进气道一体化设计

doi:10.7527/S1000-6893.2014.0263

Abstract

Abstract:

Design method of external conical basic flow field for hypersonic waverider forebody with controllable Mach number distribution surface is proposed to improve their flexibility in this paper. The basic flow field is designed reversely from assigned conical surface Mach number distribution utilizing the rotational method of characteristics. The characteristic of this basic flow field is that the incoming flow can be efficiently compressed by concave cone shock and isentropic compression waves within short length. With the basic flow field of antitangent Mach number distribution, the waverider forebody is designed with high volume ratio, good waverider characteristics and exit uniformity. On-design lift-drag ratio is 1.89 under viscous condition. Then, based on this waverider forebody and inward turning inlet with controllable Mach number distribution, a dual waverider configuration integrated with forebody and inlet is proposed which achieves the internal and external flows waverider respectively, maximizing their own advantages.

Key words: hypersonic inlets, waverider forebody, basic flow field, Mach number distribution, dual waverider, integrated design

CLC Number:

V231.3

LI Yongzhou, ZHANG Kunyuan. Integrated design of forebody and inlet based on external and internal conical basic flow field with controlled Mach number distribution surface[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2015, 36(1): 289-301.

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Integrated design of forebody and inlet based on external and internal conical basic flow field with controlled Mach number distribution surface

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