子午线轮胎结构设计参数对滚动阻力影响的分析

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1、江苏大学硕士学位论文ABSTRACTThetireistheonlypartinvehiclewhichcontactswiththeground．Itsrollingresistancedirectlyaffectsthevehicle’Sfueleconomy．EUtirelabelingregulationshassetoutthemininumrequirementsforrollingresistance．ReducingofrollingresistanceCannotonlyimprovethefueleconomy,butalsoreducethe

2、tiretemperatureandimprovethetirelife．Thepurposeofthisstudyistoexplorethewayonwhichthetirestructuralparametersinfluencerollingresistanceandgivetheguidancefortiredesign．Also，thistexttrytoexploretherelationshipbetweenthegroundingcharacteristicparametersandrollingresistanceandprovidetheba

3、sisforperformanceevaluationoftireswithdifferentstructuresonrollingresistance．Rollingresistanceisameasurementofenergyloss，whichisscalarquantity．Itincludestheenergylossofairresistance，frictionlossandhysteresisloss．TheauthortakesTBRtire385／55R22．5and12．00R22．5astheresearchobject，usingexp

4、erimentaldatatovalidatetheaccuracyoffiniteelementanalysismethodproposedinthisarticle．Withthesamematerial，performanceinserviceofthetiresisdeterminedbythestructure．Thisarticleexplorestherelationshipbetweenrollingresistanceandstructuredesignparameters，suchasbeltwidth，angleparameters，apex

5、height，shoulderwedgebottomheight，travelsectionwidthandtravelsectionarchheightMoreover，theauthorexplainstheeffectsofabove-mentionedparametersuponrollingresistancefromtheperspectiveoftiredeformationandenergylossofdifferentsectionoftires．Theauthorcomestoaconclusionthatrollingresistanceof

6、radialtiresCanbeimprovedbyreducingbeltwidthandsidewallofthetire，increasingbeltangleandappropriatetreadshape．Thisarticleanalyzestherelationshipbetweengroundingcharacteristicparametersandrollingresistance．Theauthorrefinesthegroundingcharacteristicandfindsthosewithdirectimpactonrollingre

7、sistance．Moreover，theauthorproposestheevaluationparametersforrollingresistanceperformance．Thisarticlearguesthattherelationshipbetweenthecharacteristicparametersofrollingresistance．Thisarticalbelievesthattherelationshipbetweentherollingresistanceandthegrounding子午线轮胎结构设计参数对滚动阻力影响的研究char

8、acter