基于STAR-CCM+的窗机空调离心风机降噪研究

Abstract

Abstract: The numerical simulation method is used to simulate the flow field characteristics of centrifugal fans, The aerodynamic noise is simulated, and the flow characteristics and aerodynamic noise characteristics of the original model fan are obtained, and the correctness of the numerical simulation is verified by the experiment. According to the calculation results, the original model fan was optimized to improve the aerodynamic performance of the centrifugal fan and reduce its aerodynamic noise, The performance of the original model and the improved centrifugal fan is tested, and the noise of the indoor centrifugal fan is reduced by 3.5dB.

Key words: Centrifugal fan, Noise, Simulation

YIN Xiaoying, XU Zhiteng, LI Yingshu, WANG Yongtao. Research on noise reduction of centrifugal fan for window machine air conditioner based on STAR-CCM+[J]. Journal of Appliance Science & Technology, 2019, 0(2): 46-49.

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Research on noise reduction of centrifugal fan for window machine air conditioner based on STAR-CCM+

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