| 叶顶间隙对离心叶轮性能影响的数值模拟 |
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| 引用本文： | 程书山,楚武利. 叶顶间隙对离心叶轮性能影响的数值模拟[J]. 风机技术, 2010, 0(4): 7-8,31 |
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| 作者姓名： | 程书山 楚武利 |
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| 作者单位： | 西北工业大学动力与能源学院 |
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| 摘 要： | 对5个不同叶顶间隙下离心叶轮通道中的流动情况进行了数值模拟,得到了不同间隙时叶轮的效率、压比随质量流量变化的性能曲线,分析了间隙对叶轮性能的影响。
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| 关 键 词： | 离心式压缩机 叶轮 叶顶间隙 数值模拟 |
Numerical Simulation for Influence of Tip Clearance on Centrifugal Impeller Performance |
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| Abstract: | The numerical simulation is carried out for the flow situation in centrifugal impeller channel with five different tip clearances, and the perfor-mance curve of efficiency, pressure ratio varying as mass flowrate at different clearances is obtained. The influence of clearance on impeller performance is analyzed. |
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| Keywords: | centrifugal compressor impeller tip clearance numerical simulation |
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