【摘要】 介绍了冲压发动机二元外压式超声速进气道的设计方法,并使用有限体积法,TVD二阶迎风格式,k-ε湍流模型,对所设计的二元外压式超声速进气道设计状态和非设计状态的粘性流场和性能进行了数值模拟,并分析了出口反压对进气道流场的影响。更多还原

【Abstract】 In this paper, the design method of supersonic inlet was introduced, and the viscous flow field of supersonic inlet in design and off-design condition is simulated by using TVD 2nd order upwind scheme and k-ε turbulence model. The flow equations are solved by a local time-stepping approach.The effect of back pressure on inlet flow fields are also analyzed and discussed.更多还原