资源描述：
《汽车噪音震动论文英文》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、VehiclenoisevibrationandharshnessAbstractVehiclenoise,vibrationandharshness(NVH)isusuallythemajorattributebecauseofitspriorityinthedesignofvehicles.NVHaffectsthedesignandmanufactureprocessofavehicleashighercustomersatisfactionareattributedbyagoodNVHbehavi
2、or.TheresearchonNVHreliesonavarietyofcomputersoftwaretoimproveandcontrolNVH.Inthispaper,severalvehiclecomponentsincludingrubberdampersandisolatorswhichplayanimportantroleincontrollingtheNVHarepresented.AdescriptionofsourceofNVHinavehicleisshown.Keywords:N
3、VH;rubberdamper;isolator;research.1.IntroductionVehiclesconsistofspacevehicles,airplanes,submarines,trains,road,off-roadandothers[1].Vehiclenoise,vibration,andharshness(NVH)isamajorproblemintheautomobilemanufacturingprocessandaffectsthecustomersatisfactio
4、nofautomobileowners.Theresearchesofvehiclenoise,vibration,andharshness(NVH)arenotonlysuitableforthedesignprocessofnewautomobiles,butcontributetoimprovethecomfortandperformaneeofcurrenttypeofautomobiles.Thoseresearchesarelargelyduetotheincreasingdemandsofv
5、ehiclemanufacturers,OriginalEquipmentManufacturers(OEMs)andcustomers・TheOEMsaimtolookfortheproductsthataddressissuesofNVH,reducevehicleweight,improvestiffness,andareeasytomodel,lowercosts,andareenvironmentallytriendly[2].Automotivenoise,vibrationandharshn
6、essarethemostimportsntissueswhenthecustomersassessvehiclequality[1].Ontheotherhand,somemanufacturersrefusetocorporateautomationintovehicledesign,asaddressingtheissuesofNVHwhichmakesvehiclestooquietmayposeathreattothesafetyofpedestrians[4].Thevehicularnois
7、ecanactasawarningsignalforpedestrians.SomecomponentsinthevehiclesplayimportantrolesinreducingNVH,namelyrubberdampers,thepowerplants,chassiscoupling,andelastomericisolators.Rubberdampersinsertbetweenthefinsandrubberdampersreducetheamplitudeofvibrationoffin
8、swhichareusedtospeeduptheheattransferfromtheenginesurfaces[3].Invehicles,theenginemountsaffectlargelythenoise,vibration,andharshnesscomfort.Themountsareusedtoprovidesupportsforthepowerplantandtoisolatethevibrationso
