亚声速流动，流体在流场中所有各点处的流速，都低于当地声速（见声速）的流动。亚声速气流流过静止物体时，在雷诺数较高的情况下，粘性的影响常只局限于物面附近的边界层和物体下游的尾流区内，因此，在分析许多流动问题时，粘性可以忽略，即把全部流动视为无粘性流动。一般所说的亚声速流动常常是指这种无粘流体的亚声速流动。
... flow around joukowski wing 儒科夫斯基翼绕流 flow around the corner 拐角怜 flow at subsonic velocity 亚声速流 ...
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亚声速气动力采用面源法计算，高超声速气动力采用修正的牛顿流理论计算。
Panel Method was used for subsonic aerodynamic analysis, and the Modified Newtonian Impact Theory was used for hypersonic aerodynamic analysis.
采用低速重复级压气机实验数据，验证了本文所采用的数值方法模拟亚声速压气机流场的精度和可靠性。
The accuracy and realability of the numerical software used to simulate the flow field of subsonic compressor is verified by the experiment data of a certain low speed two stage repeated compressor.
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