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1、附录Humanactivitiesontheecologicaldamagetotheenvironmenthasbecomeaglobalproblem,toreducefuelconsumption,reduceautomobileexhaustemissionsisenergyconservation,preventionofairpollutioninanimportantmeasure.Vehicleenergyconsumptioniscloselyrelatedwiththetirerollingresista
2、nce.Oncarsorlighttrucks,the3.4%~6.6%offuelconsumptionusedtoovercomerollingresistancetires;ofloadedradialtrucktirewiththecarexample,12.4%~14.5%offuelconsumptiontoovercometherollingresistancetires.Tirerollingresistanceby10%,fuel-efficientcarswillbe1.2percent,4percent
3、savingstrucks.Tothisend,thetiremanufacturershaveathomeandabroadtodevelopnewlow-powertirestoreducerollingresistance,savingfuel.Automobiletiresintherollingprocess,thetotalvehiclerollingresistanceaccountsforabout20%oftheresistance,ifreducedby10%pertirerollingresistanc
4、e,lower2%~3%offuel,thenrollingresistancetirestoenhancethelevelofcontrolofvehiclecontributiontofueleconomywillbesignificant,butalsoinawiderangecanbeachieved.Therefore,howtoeffectivelycontrolthetire'srollingresistanceistheindustryfacingakeyissue.Thisarticlewillexplor
5、ethevariousanglesandanalysisaswellastirerollingresistancetestingtechnology.15I.SummaryInthetirerollingprocess,thecycleofchangesinthestressandstrainleadtoenergyloss,theformationoftirerollingresistance,alsoknownasthetirehysteresisenergyloss.Studieshaveshownthattoover
6、cometirerollingresistanceonfuelconsumptionofthegeneralaccountingforthetotalfuelconsumptionofmotorvehiclesmorethan10%.Reducerollingresistancetirescanreducevehicleenergyconsumption,sothatthecarfartherawayfromefficient.Tirerollingresistanceistheoverallenergyconsumptio
7、nofmaterial,equivalenttothetirerollingunitsofenergylossfromtherollingunitsinadditiontoitsdistance,thedimensionlessN•m/m,althoughitsequivalenttothedimensionlessforce,butfromthepointofviewofenergyanalysisandunderstandingmoreconvenientandreasonable.Throughthemeasureme
8、ntofrollingresistancetirescanstudythebestsection.However,theresultsoflabexperimentscanonlymakeacomparison,thefinalroadtestshouldbeusedasthebasiso
