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Effects of Inlet/Outlet Ducts on Acoustic Attenuation Characteristics of Circular Expansion Chambers
Automobilemanufacturersarestrivingtoim provetheperformanceofinternalcombustionengine poweredvehicles,andtomeettherequirementsof morestrictnoiselegislationandcustomers’comfort.Theexhaustsystemhasasignificanteffectontheen gineperformance.Theexhaustmuffleriseffective methodofdecreasingexhaustnoise,whichisrequired tohaverelativelyhighacousticperformancewithre strictedspaces.Thereforeitisnecessarytooptimize theexhaustsystemforfurtherdevelopment.Theexpansionchamberiscommonwhichhas wideandrepeateddo… 相似文献
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