• The biggest lift drag ratio 3.36 considering viscous effects is obtained at Mach 6 when a proper base conical shock wave angle is chosen.

    设计点附近选取合适的基准圆锥激波并考虑粘性影响可得到乘波体最大比为3.36;

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  • The dynamic derivatives conception is used as the index for the vehicle stability, but it is looked as the function of angle of attack and Mach number to induced nonlinear characteristics.

    采用自由振荡数值模拟平头、钝头外形超声速俯仰振荡时间历程,并应用奇异分解线性最小二乘法辨识稳定性导数,得到动导数随马赫数非线性变化规律。

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  • The average effective pitch damping increases with increasing Angle of oscillation amplitude and decreases with increasing Mach number.

    振幅增大会使返回舱平均俯仰阻尼增加,马赫数增大使俯仰阻尼降低

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  • Steady flow fields are also calculated to analyze flow field structure for the same cascade with different inlet Mach Numbers and incidence Angle.

    对于一叶进行了定常流的计算与分析,比较了平面叶栅不同进口马赫数、不同攻角下的定常流

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  • And then the influence of the inlet flow's Mach, the outlet pressure, Angle, high velocity to the structure and major performance parameter of inlet's flow field are analyzed.

    分析了来马赫数出口反攻角高速旋转等因素对进气道结构主要性能参数影响

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  • And then the influence of the inlet flow's Mach, the outlet pressure, Angle, high velocity to the structure and major performance parameter of inlet's flow field are analyzed.

    分析了来马赫数出口反攻角高速旋转等因素对进气道结构主要性能参数影响

    youdao

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