The effects of lean angle on compressor performance were investigated using a back swept impeller designed on a computer aided integral design system.

Affect of back curved blade on cavitations of axial flow pump;

Analyzed the changing of energy losses coefficient in turbine cascade with different backward curved angles,and achieved the range of the backward curved angles corresponding of the minimum energy losses on three typical sections in the turbine cascade.

Experimental study of parallel-connection back-bent duct generation buoy models′ performance;