Numerical Investigation on Performance and Aerodynamic Noise of High Speed Axial Flow Fans
Axial flow fan is extensively applied in automation control systems for cooling.Improving the rotational speed is undoubtedly an effective method to achieve higher total pressure and larger flow rate.In this paper,the performance of axial flow fan under high rotational speed is investigated by using Computational Fluid Dynamics(CFD).Ffowcs Williams and Hawkings(FW-H)model is used to capture the noise propagation.The results show that with the increase of rotational speed,the input power of the axial flow fan tremendously increases refer to the increase of total pressure.With increasing rotational speed the noise gradually rises.Besides the noise on the pressure side is higher.The characteristics of the axial flow fan provide important reference for designing and applying the axial flow fan under high rotational speed condition.
axial flow fan rotational speed aerodynamic noise simulation
Zhuohuan Hu Wei Lu
School of Energy and Power Engineering,University of Shanghai for Science and Technology Shanghai,China
国际会议
重庆
英文
885-889
2017-03-25（万方平台首次上网日期，不代表论文的发表时间）