低稠度叶片扩压器形状参数的分析Shape Parameter Analysis on Low Solidity Vaned Diffuser
费继友;戴冀;史敏;李连生;
摘要(Abstract)：
通过对一离心压缩机叶片扩压器内部流场进行三维粘性数值模拟,对比分析了小稠度扩压器的主要形状参数对气动性能的影响。结果表明对于小稠度扩压器设计可以找到稠度和叶型厚度的最佳值,使得压力恢复最大而损失水平较低,这对于工程设计具有指导价值。
关键词(KeyWords)： 离心压缩机;叶片扩压器;稠度;数值模拟
基金项目(Foundation):
作者(Author): 费继友;戴冀;史敏;李连生;
Email:
参考文献(References)：
- [1]Amineni NK,Engeda A.Pressure recovery in LowSo-lidity Vaned Diffusers For Centrifugal Compressors[A].ASME Paper[C].1997-GT-472.
- [2]Hohlweg W C,Direnzi G L,Aungier R H.Comparisonof Conventional and Low Solidity Vaned Diffuers[A].ASME Paper[C].1993-GT-98.
- [3]Harada H,Goto M.Numerical and Experimental,Stud-ies of Single and Tandem Low-Solidity Cascade Diffus-ers in a Centrifugal Compressor[A].ASME Paper[C].1993-GT-108.
- [4]Pinarbasi A,Johnson M W.Experimental Flow FieldInvestigation in a Centrifugal Compressor Vaned Dif-fuser[A].ASME Paper[C].1995-GT-80.
- [5]Dallbert P,Gyarmathy G,Sebestyen G.Flow Phe-nomena in a Vaned Diffuser of A Centrifugal Stage[A].ASME.Paper[C].1993-GT-53.
- [6]Aungier R H.Centrifugal Compressors-A strategy forAerodynamic Design and Analysis[Z].2000,NewYork,ASME press.
- [7]赵晓路,王巍.离心压气机低稠度串列叶栅扩压器流场数值分析[J].工程热物理学报,1997,18(2):186-189.