论文部分内容阅读
介绍了密切曲面锥(osculating curved cone,OCC)乘波体的设计方法,并对密切曲面锥乘波体的流场结构及气动特性进行了分析.密切曲面锥方法采用具有直线激波和等熵压缩波系的曲面锥作为基准流场,在定义乘波体激波型线(inletcapture curve,ICC)和前缘捕获型线(front capture tube,FCT)后,采用密切轴对称和流线追踪技术,设计生成密切曲面锥乘波体.采用数值方法对设计的密切曲面锥乘波体进行了模拟,理论设计结果和数值模拟结果一致.对密切曲面锥乘波体和密切锥乘波体进行了比较,密切曲面锥乘波体克服了密切锥乘波体压缩量不足及容积率偏小的缺点.
The design method of oscillometric curved cone (OCC) multiplication wave body is introduced, and the flow field structure and aerodynamic characteristics of the conic curved cone wave body are analyzed.Maximum surface cone method uses linear shock and isentropic entropy Compressional surface cone is used as the reference flow field. After defining the ICC and FCT, a close axisymmetric and streamline tracing technique , A close-surface cone-shaped multiplier is designed and produced.The numerical method is used to simulate the closed-surface cone-contoured body.The theoretical design results are in good agreement with the numerical results.For the close-surface cone and close-cone multipliers, In comparison, the close curved surface cone multiplier overcomes the shortcomings of the tight cone multiplier body and the low floor area ratio.