Isentropic Efficiency & Specific Performance Metrics in Blowers Explained

July 20, 2022

Learn more about isentropic efficiency and specific performance metrics as they relate to blowers. In this video, the isentropic efficiency for the multi-stage centrifugal blower is 40% compared to the rotary screw blower at 70%. In this case, the higher the number the better the efficiency. With a 600 cfm unit using $0.10/kW hr, annual operating costs for the centrifugal blower are $30,000 compared to $16,000 for the rotary screw blower -- saving energy & money!