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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,preventionofairpollutioninanimportantmeasure.Ve
2、hicleenergyconsumptioniscloselyrelatedwiththetirerollingresistance.Oncarsorlighttrucks,the3.4%~6.6%offuelconsumptionusedtoovercomerollingresistancetires;ofloadedradialtrucktirewiththecarexample,12.4%~14.5%offuelconsumptiontoovercometherollingresistancetires.Tirerollingresistance
3、by10%,fuel-efficientcarswillbe1.2percent,4percentsavingstrucks.Tothisend,thetiremanufacturershaveathomeandabroadtodevelopnewlow-powertirestoreducerollingresistance,savingfuel.Automobiletiresintherollingprocess,thetotalvehiclerollingresistanceaccountsforabout20%oftheresistance,if
4、reducedby10%pertirerollingresistance,lower2%~3%offuel,thenrollingresistancetirestoenhancethelevelofcontrolofvehiclecontributiontofueleconomywillbesignificant,butalsoinawiderangecanbeachieved.Therefore,howtoeffectivelycontrolthetire'srollingresistanceistheindustryfacingakeyissue.
5、Thisarticlewillexplorethevariousanglesandanalysisaswellastirerollingresistancetestingtechnology.I.SummaryInthetirerollingprocess,thecycleofchangesinthestressandstrainleadtoenergyloss,theformationoftirerollingresistance,alsoknownasthetirehysteresisenergyloss.Studieshaveshownthatt
6、oovercometirerollingresistanceonfuelconsumptionofthegeneralaccountingforthetotalfuelconsumptionofmotorvehiclesmorethan10%.Reducerollingresistancetirescanreducevehicleenergyconsumption,sothatthecarfartherawayfromefficient.Tirerollingresistanceistheoverallenergyconsumptionofmateri
7、al,equivalenttothetirerollingunitsofenergylossfromtherollingunitsinadditiontoitsdistance,thedimensionlessN•m/m,althoughitsequivalenttothedimensionlessforce,butfromthepointofviewofenergyanalysisandunderstandingmoreconvenientandreasonable.Throughthemeasurementofrollingresistanceti
8、rescanstudythebestsection.However,theresultsofl