小型压气机试验器小容腔节流装置的设计

压气机试验器中，试验件排气节流容腔的大小对压气机特性试验结果，特别是对喘振边界有较显的影响，对于小型压气机试验器，因调备尺寸小，试验件转速高、流量小等特点，使得小容腔节流装置的设计难度加大。通过分析、对比为压气机试验器设计了一套小容腔节流装置，经初步调试，证明该设计是成功的。

Design of Small-volume Plenum for Small Flow Rate Compressor Test Rig

Plenum volume has specific effects on compressor test results, especially on surge margin of test compressor. The design of small volume plenum for small compressor test rig is very difficult from the small dimension of facility, high speed and small flow rate of compressor. A small volume plenum has been designed and proved successful after initial start up test.