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介绍了在离心式风机的蜗舌处安装共振吸声器降噪的方法及实验效果。离心式风机共振吸声器是一种简便、经济的降噪措施。
This paper introduces the method and experiment result of installing the resonance sound absorber to reduce noise in the volute tongue of centrifugal fan. Centrifugal fan resonance absorber is a simple, economical noise reduction measures.