The characteristics of static pressure changing at stage exits of a multi-stage axial flow compressor relative to the design points at several typical operating modes are investigated.

H. E. A. T. intercoolers and aftercoolers are specialized heat exchangers that are used in multi-stage compressor systems to cool the pressurized air or gas.

The newest research direction about pulse tube refrigerator is multi-stage cryocooler driven by valveless compressor.