汽车噪声控制技术及低噪声客车产品开发措施

[225009][400067]:,:Abstract:Thispaperdiscussesthecurrentsituationofnoise2controledleveltovehiclesathomeandabroad.Italsoanalysesthegapsandcausesonthisaspectinourcountryandpresentsafewavailablemeasurementsdevelopinglownoiseproducts.Keywords:Vehicle,Noisecontrol,Productdevelopment170,6,,(ECE)80dB(A)(198210)74dB(A)(199510),88dB(A)(198210)80dB(A)(199510),ECER51-001982101,ECER51-011988101,ECER51-021995101,23dB(A)1979GB1495-79,,70,200311,ECER51-00,2003111520,48dB(A);200311,ECER51-01,,20038,24dB(A),,,,,79dB(A)(SAE),80dB(A);(EPA)1977919851180dB(A)5391970,70dB(A),,,,GB7258[1998]115,82dB(A),78dB(A),,,,,,,,,,,,,,236BUSTECHNOLOGYANDRESEARCHVol123No162001©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,Sysnoise;,,(FRF)(FEM)(EEM)(TPA)(SEM)(SI),,,,,,,,,,,,,GB1495-79,,,,,2,,,,,,,,,,,,,(1),,,,(2),,Sysnoise,,,(3),(),,,,,,(4),,,,,(5),,,;,;,,,;,(6),,,Sysnoise,,2023©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,3,,,,111,2000(3)2P.J.G.vanderLinden,LMSInternational,ProceedingofInternationalCongress&Exposition,Detroit,Michigan,February26229,1996:2001204227[225009]:,,:Abstract:Thispaperintroducesthekindsoftypicalanticorrosiontechnologyusinginthebusmanufacturingindustryatpresentandmakescomparisonwiththem.Atthesametime,itdiscussesthequestionsaboutoptimizingma2nufacturingtechnologyandimprovingbusbodyappearancequality.Keywords:Bus,Bodyskin,Spotwelding,Anticorrosion,Manufacturecost,CO2,,,,,,1CO2,,,,(),:,;,,,,2,DN3225Q,115mm,55501175mm211,,,,,,236BUSTECHNOLOGYANDRESEARCHVol123No162001©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.