A centrifugal compressor stage is designed with 1d method. The 3d flow field of the stage is simulated utilizing CFD software.
用一元的方法对一离心压缩机的级进行了设计，并用CFD软件对设计结果作了三维流场数值模拟。
The IGV-impeller gap barely influences the compressor stage performance, but small gap leads to large pressure pulsation inside the flow field.
叶排间距大小对级性能影响几乎可以忽略，但间距减小会造成流场内压力波动增大；
This paper presents a numerical study on the performances of a compressor stage under different circumferential positions of the rear blades of tandem stator.
本文采用数值模拟研究串列叶栅后排静叶周向位置对压气机级性能的影响。
The analysis shows that differences of mass flow and pressure rise between the two splitter-splitted passages have significant influence on unsteady flow in the compressor stage.
小叶片将大叶片通道分成的两个通道具有不同的流量和负荷，通道之间的负荷分配对于流动的非定常性会产生较大影响；
The overall performance for NASA 37 low-aspect ratio compressor stage at 70% design rotating speed was obtained and the internal flow fields at typical operating conditions were emphatically analyzed.
计算得到了NASA37号低展弦比、跨音速轴流压气机级70％设计转速下的全工况性能曲线，并重点分析了其中一些典型工况下的内部流场。
The overall performance for NASA 37 low-aspect ratio compressor stage at 70% design rotating speed was obtained and the internal flow fields at typical operating conditions were emphatically analyzed.
计算得到了NASA37号低展弦比、跨音速轴流压气机级70％设计转速下的全工况性能曲线，并重点分析了其中一些典型工况下的内部流场。
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