The invention relates to a full waverider internal and external flow integration and design method based on a local deflection osculating theory, and the method comprises the following steps: (1) designing an external compression shock wave flow field, discretizing a fundamental wave curved surface, and solving the flow characteristics of the shock wave at each discrete point through the local deflection osculating theory; (2) designing an internal compression shock wave curved surface to obtain an intersecting line between internal and external compression shock waves; reversely designing the front edge of the wave rider body through the intersecting line; (3) solving and obtaining a waverider surface in the shock wave flow field according to the front edge of the waverider body; (4) according to the front edge of the waverider body, an air inlet shock wave generation side molded line is designed on the internal contraction shock wave curved surface, and a three-dimensional internal rotation air inlet is generated; and (5) designing a full waverider back profile according to the front edge of the waverider body and an air inlet shock wave generation side profile. According to the method, the advantages of the three-dimensional inward turning air inlet channel are reserved, meanwhile, a shock wave flow field solving method with high calculation precision is adopted, accurate design of the waverider is completed, and efficient inward and outward flow integration of the waverider and the three-dimensional inward turning air inlet channel is achieved.
本发明涉及基于局部偏转吻切理论的全乘波内外流一体化及设计方法,包括以下步骤:(1)设计外压缩激波流场并离散基波曲面,应用局部偏转吻切理论求解激波各个离散点处的流动特征;(2)设计内压缩激波曲面,获得内外压缩激波间相贯线;通过相贯线反设计乘波机体前缘;(3)根据乘波机体前缘,在激波流场中求解并获得乘波表面;(4)根据乘波机体前缘,在内收缩激波曲面上设计进气道激波产生侧型线,生成三维内转进气道;(5)根据乘波机体前缘和进气道激波产生侧型线,设计全乘波背部型面。本发明保留三维内转进气道自身有点的同时,采用一种具有高计算精度激波流场求解方法,完成乘波体的精准设计,实现了乘波体与三维内转进气道的高效内外流一体化。
Full waverider internal and external flow integration and design method based on local deflection osculating theory
基于局部偏转吻切理论的全乘波内外流一体化及设计方法
2023-09-22
Patent
Elektronische Ressource
Chinesisch
Waverider Design Using Osculating Method
AIAA | 2024
|Design of an Internal Osculating Waverider Intake
AIAA | 2022
|Design of an Internal Osculating Waverider Intake
TIBKAT | 2022
|OSCULATING CONE THEORY-BASED FIXED-PLANE WAVERIDER DESIGN METHOD
Europäisches Patentamt | 2020
|