高超声速二元弯曲激波压缩流场性能分析

推进技术 ›› 2017, Vol. 38 ›› Issue (4): 764-771.

高超声速二元弯曲激波压缩流场性能分析

王磊,张堃元,苏纬仪,金志光

南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室，江苏南京 210016,南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室，江苏南京 210016,南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室，江苏南京 210016,南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室，江苏南京 210016

发布日期:2021-08-15
作者简介:王磊，男，博士生，研究领域为高超声速进气道气动设计。
基金资助:
国家自然科学基金(90916029；11102087；11572155)。

Performance Analysis of Hypersonic 2D Curved Shock Compression Flow Field

Nanjing University of Aeronautics and Astronautics，Jiangsu Province Key Laboratory of Aerospace Power System，Nanjing 210016，China,Nanjing University of Aeronautics and Astronautics，Jiangsu Province Key Laboratory of Aerospace Power System，Nanjing 210016，China,Nanjing University of Aeronautics and Astronautics，Jiangsu Province Key Laboratory of Aerospace Power System，Nanjing 210016，China and Nanjing University of Aeronautics and Astronautics，Jiangsu Province Key Laboratory of Aerospace Power System，Nanjing 210016，China

Published:2021-08-15

摘要/Abstract

摘要： 为了探索弯曲激波压缩流场性能所能达到的范围，分别在无粘和粘性条件下，通过多目标优化设计和抽样计算获取了高性能弯曲激波压缩方案，并与传统的压缩方式进行了对比。研究结果表明:(1)无粘条件下流场多目标优化Pareto最优解集中存在长度、压缩效率、低马赫数流量系数等性能参数均优于等激波强度三楔压缩的方案；(2)粘性条件下压比均为8.29(1±0.5%)时，弯曲激波压缩流场与等熵压缩流场相比，长度缩短了35%；与等激波强度三楔压缩流场相比，长度缩短了8%，总压恢复系数大小相当，来流马赫数4时流量系数高6%；与斜楔-等熵压缩相比，总压恢复系数仅相差1.1%，而来流马赫数4时流量系数提高了6%；其出口截面附面层厚度、附面层形状因子均低于其他压缩方式。

关键词: 高超声速进气道；弯曲激波压缩；气动反设计；多目标优化

Abstract: To explore performance potential of hypersonic curved shock compression，high performance curved shock compression design results were obtained through multi-objective optimization and sampling computation，and were compared with traditional compression，under both inviscid and viscous condition. The results show that，(1)under inviscid condition，in the Pareto solutions of Multi-objective optimization，there exist curved shock compression cases，which have shorter length，higher compression efficiency and higher mass capture ratio under low flight Mach number，than traditional equal shock strength three ramps compression; (2)under viscous condition，when pressure ratio is 8.29(1±0.5%)，compared with isentropic compression，the length of curved compression is 35% shorter; compared with traditional equal shock strength three ramps compression，the length of curved compression is 8% shorter，the total pressure ratio is approximately equal，and the mass capture ratio under flight Mach number of 4 is 6% higher; compared with ramp-isentropic compression，the total pressure ratio of curved compression is 1.1% lower，while the mass capture ratio under flight Mach number of 4 is 6% higher; outlet boundary layer thickness and shape factor of curved shock compression are lower than those of other compression methods.

Key words: Hypersonic inlet；Curved shock compression；Gas-dynamic inverse design；Multi-objective optimization

王磊,张堃元,苏纬仪,金志光. 高超声速二元弯曲激波压缩流场性能分析[J]. 推进技术, 2017, 38(4): 764-771.

WANG Lei,ZHANG Kun-yuan,SU Wei-yi,JIN Zhi-guang. Performance Analysis of Hypersonic 2D Curved Shock Compression Flow Field[J]. Journal of Propulsion Technology, 2017, 38(4): 764-771.

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