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污垢沉积对某轴流压气机中间两级性能影响的数值研究

, PP. 130-136

Keywords: 燃气轮机,轴流压气机,污垢沉积,粗糙度

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Abstract:

采用商业三维数值模拟软件CFX,对某型重型燃气轮机的中间两级核心级轴流压气机进行数值仿真研究,通过改变流道内叶片和端壁的粗糙度、以及叶片的厚度来模拟压气机内不同程度的污垢沉积,以分析污垢沉积对两级轴流压气机性能和流场特性的影响,并在前、后级动叶分别采用不

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