本文选取某重复级压气机平均半径处的型线，进行平面扩压叶栅非定常数值模拟。
In this paper unsteady numerical simulation of planar diffuse cascade is performed in the model profiles that choosing from mid-span of the blade in a repeated compressor.
对脉冲喷嘴腔内流场进行了二维非定常数值模拟，通过对腔内压力和流场的分析，验证了上述结论；
The 2D unsteady simulation of the nozzle chamber has been done and the analyses prove the early results.
文中针对三种不同内、外筒间隙的同心筒发射装置，对其发射过程中发射筒内的燃气射流流场进行了非定常数值模拟。
The article calculates unsteady jet flow in concentric canister launcher with three different clearances between inner canister and outer canister.
本文对某亚音轴流压气机的中间三排叶片进行定常与非定常数值模拟，分析在不同的动叶叶顶间隙和静叶气封间隙组合下压气机的流动特性。
One and a half stages of a subsonic compressor were simulated with steady and unsteady calculation, comparing the performance with different combination of tip leakage and seal cavity.
本文对某亚音轴流压气机的中间三排叶片进行定常与非定常数值模拟，分析在不同的动叶叶顶间隙和静叶气封间隙组合下压气机的流动特性。
One and a half stages of a subsonic compressor were simulated with steady and unsteady calculation, comparing the performance with different combination of tip leakage and seal cavity.
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