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Optimized design of waverider forebody derived from asymmetric near-isentropic compression flow fields
Authors
丁海河
刘宏
王发民
耿永兵
Publication date
1 January 2006
Publisher
Abstract
以升阻比为优化目标,在来流马赫数Ma=2~4及飞行高度H=20km~24km条件下,进行了轴对称近似等熵压缩流场的乘波前体优化设计,通过CFD验证M_∞=4优化乘波体的气动特性,并研究了Ma=3优化乘波前体在非设计条件下的气动特性。结果表明:近似等熵压缩下表面的乘波前体在设计条件下具有良好的气流压缩效果,可满足机体/发动机一体化设计的需要;乘波前体升阻比在1.5~1.9之间,纵向压心位置靠后;非设计条件下,压缩波不聚焦,小于设计马赫数升阻比时降低,大于设计马赫数时升阻比略大
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018