弯曲叶片积叠线对压气机叶栅气动性能的影响
Effects of Curved Blade Stacking Line on the Aerodynamic Performance of Compressor Cascade
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摘要: 本文采用拟压缩性方法对不同积叠线弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟。结果表明, 弯曲叶片性能不仅与叶片两端部的弯曲角度有关。Abstract: The numerical simulation has been carried out to investigate the three dimensional viscosity flow in the compressor cascades with curved blades of different types of stacking lines.The method of the pseudo compressibility was used and the incompressible Navier Stokes equations were solved.The results show that the performance of curved blade is influenced not only by the end angle, but also by the shape and length of the stacking line.
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Key words:
- compressor /
- curved blade /
- stacking line /
- pseudo compressibility method
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