There are horizontal rotors on a helicopter or compressor rotors in a jet engine. 直升飞机或喷气式发动机中的压气机转子上有水平旋翼。
Three-dimensional turbulent flow of the endwall region inside a centrifugal compressor impeller was studied using a Laser Doppler Velocimetry. 用三维激光多普勒测速系统测量研究了一个离心压气机转子近端壁区三维紊流流场。