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1、外文翻译-探讨汽车轮胎滚动阻力以及测试技术StudyofautomobiletirerollingresistanceandtestingtechnologyHumanactivitiesontheecologicaldamagetotheenvironmenthasbecomeaglobalproblem,toreducefuelconsumption,reduceautomobileexhaustemissionsisenergyconservation,preventionofairpollutioninanimportantme
2、asure.Vehicleenergyconsumptioniscloselyrelatedwiththetirerollingresistance.Oncarsorlighttrucks,the3.4%~6.6%offuelconsumptionusedtoovercomerollingresistancetires;ofloadedradialtrucktirewiththecarexample,12.4%~14.5%offuelconsumptiontoovercometherollingresistancetires.Tirer
3、ollingresistanceby10%,fuel-efficientcarswillbe1.2percent,4percentsavingstrucks.Tothisend,thetiremanufacturershaveathomeandabroadtodevelopnewlow-powertirestoreducerollingresistance,savingfuel.Automobiletiresintherollingprocess,thetotalvehiclerollingresistanceaccountsforab
4、out20%oftheresistance,ifreducedby10%pertirerollingresistance,lower2%~3%offuel,thenrollingresistancetirestoenhancethelevelofcontrolofvehiclecontributiontofueleconomywillbesignificant,butalsoinawiderangecanbeachieved.Therefore,howtoeffectivelycontrolthetire'srollingresista
5、nceistheindustryfacingakeyissue.Thisarticlewillexplorethevariousanglesandanalysisaswellastirerollingresistancetestingtechnology.I.SummaryInthetirerollingprocess,thecycleofchangesinthestressandstrainleadtoenergyloss,theformationoftirerollingresistance,alsoknownasthetirehy
6、steresisenergyloss.Studieshaveshownthattoovercometirerollingresistanceonfuelconsumptionofthegeneralaccountingforthetotalfuelconsumptionofmotorvehiclesmorethan10%.Reducerollingresistancetirescanreducevehicleenergyconsumption,sothatthecarfartherawayfromefficient.Tirerollin
7、gresistanceistheoverallenergyconsumptionofmaterial,equivalenttothetirerollingunitsofenergylossfromtherollingunitsinadditiontoitsdistance,thedimensionlessN•m/m,althoughitsequivalenttothedimensionlessforce,butfromthepointofviewofenergyanalysisandunderstandingmoreconvenient
8、andreasonable.Throughthemeasurementofrollingresistancetirescanstudythebestsection.However,theresultsofl