可变马赫数乘波体的宽速域性能优势探究
ADVANTAGE EXPLORING OF VARIABLE MACH NUMBER WAVERIDER IN HYPERSONIC WIDE-SPEED PERFORMANCES
-
摘要: 可变马赫数乘波体被认为在高超声速阶段具有良好的宽速域性能，但学者们将其与传统的固定马赫数乘波体比较时，大都未限制相同的平面形状和容积，导致关于其宽速域性能优势的论证不充分。本文使用定平面形状乘波体设计方法设计可变马赫数乘波体，并生成具有相同平面形状和相等容积的固定马赫数乘波体，以此比较探究可变马赫数乘波体在高超声速阶段的宽速域性能优势。同时结合计算流体力学手段分析流场，给出初步解释。结果表明，与相同平面形状和相等容积的固定马赫数外形相比，在高超声Abstract: The variable Mach number waverider (VMW) is considered to perform well in the wide-speed range during hypersonic stage. However, when scholars compared it with the traditional fixed Mach number waverider (FMW), the constraints of identical planform shape and equal volume were not imposed. Accordingly, the previously illustrated advantages in wide-speed performance were not persuasive. In this paper, the VMW configurations were generated using the planform-customized waverider design
下载: