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이종화(Jong Wha Lee),이부윤(Boo Youn Lee),남경훈(Kyoung Hun Nam),김백영(Baek Young Kim),김원진(Won Jin Kim) Korean Society for Precision Engineering 2006 한국정밀공학회지 Vol.23 No.2
This study focuses on a performance improvement of the vent silencer using acoustic analysis. Since the vent silencer is generally used for a high level shock noise, it should be designed to reduce a wide frequency band noise. In the designing stage of the vent silencer, structural shapes of diffuser and splitter are the most significant design parameters. Effects of modifying the original structure of the diffuser and the splitter are analyzed and evaluated. From the results, It is found that the diffuser with two pipes and double-step structure more effectively reduces a wide frequency band noise but the increment of the number of splitters is not desirable.