Turbomachinery and method of manufacturing the same

摘要

PCT No. PCT/GB95/02904 Sec. 371 Date Oct. 23, 1997 Sec. 102(e) Date Oct. 23, 1997 PCT Filed Dec. 7, 1995 PCT Pub. No. WO97/21035 PCT Pub. Date Jun. 21, 1997An impeller in a turbomachinery has blades designed such that reduced static pressure difference DELTA Cp between the hub and the shroud on the suction surface of the blade shows a remarkably decreasing tendency near the impeller exit as it approaches the impeller exit between the impeller inlet and the impeller exit.