A new method of a centrifugal compressor with a hub airfoil-vane diffuser was proposed and applied based on the investigation of a centrifugal compressor with vaneless diffuser.

• 摘要研究了某高压比离心压缩机无叶扩压器的性能，提出在无叶扩压器轮盘侧加装一定高度机翼型导叶的改进方法。