预旋整流栅对90°弯管流动均匀性及离心压缩机性能影响的试验研究
Compressor, Blower & Fan Technology(2017)
Abstract
本文在离心压缩机进口前加旋绕式整流栅,通过PIV可视化试验,研究预旋整流栅对90°弯管出口流道及离心压缩机性能影响.结果表明:在90°弯管前安装旋绕式整流栅能有效改善弯管后流动的均匀性.当离心压缩机运行在较小马赫数下,安装整流栅时,离心压缩机效率基本保持不变或者略有降低.当离心压缩机运行在较大马赫数下,安装有右旋整流栅时,离心压缩机的效率得到提高;安装左旋整流栅时,离心压缩机效率略有提高同时和压比得到较大幅度的提高.
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