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出髁=Questions1.Whatarethethreeresearchareasoftransportphenomena?2.Whyshouldengineersstudytransportphenomena?3.Doyouthinkhatallproblemscanbesolyedbythemethodsoftransportphenomena?4.CanyoudescribebrieflythefamousReynoldsexperiment?曹l董虽:Para.1Line1.Transportphenomenaisthecollectivenamegiventothesystematicandintegratedstudyofthreeclassicalareasofengineeringscience:(energyorheattransport;能量或热量传递沥林汀|6江朋朋河朋廷厂5丞厂禾达LnLine9.analogy类似,相似性,类推Theseanalogies,(astheyareusuallycalled,)canoftenberelatedtosimilaritiesinthephysicalmechanisms(wherebythetransporttakesplace).曼世LQ且e_o_tD阜鬣囚曼筐皇呈筐ssmcebychanglngthe|nomenclaturethatsolutioncanbeusedtoobtainthe一solutionforanyothertransportprocess).Line1.匕mustbeemphasized,(however,thatwhiletherearesimilaritiesbetweenthetransponprocesses),area,especiallybetweenthetransportofmomentum(avector)andthatofheatormass(Scalars).升【尼2玲Sdio仁侧钉重要日尹2命质量(标量的传递之间。i1.HowWeApproachtheSubjectLine3.pedagogical教学法的,教师的Line6.cover理解:Line7.prior预先的,优先的Line9.byreferenceto参考Line14.vectornotation矢量标记ordinarydifferentialsquaticns常微分方程Line15.partialdifferentialequations偏微分方程Line16.one-dimensional一乡住邮dimensional维的,因次的,维数的尺的engineering、,(e.g.,heatexchangers,compressorsnuclearandchemicalreactors,humidifiers,aircoolers,driers,fractionaters,andabsorbers.)匕isimportantthatengineershaveanUnderstandingofthephysical3Vls(governineL_thasetranspolpiftheyaretounderstand(whatistakingplaceinengineeringequipment)andtomakewisedecisioregardtoitseconomicaloperation)i冒.whShouldEngineersStudyTransportPhenomenal鬣腈r擅亡引Translation吴-Infact,therearesomecases(ipwhichthedesignengineermightusethemethodsandequationsoftransportphenomenaldirectlyinthedesignofequipment)实际上,在有一些情况下,设计工程师可能直接使用传递现象的方法和笔式来进行设备设计Anexamplewouldbeatubularreactor,(whichmightbeillustratedasap|pe】6.g.,theheateXchangedescribedearer)管式反应器就是区样个例子,(可以由管道阎述,如前面所述的热交换器,在反应器里面的流体中发生均相反应。sessi2REsl*i冒.whShouldEngineersStudyTransportPhenomenal叠_Pa踵6Line1.exothermic发热的,放出热量的Line3.radial径向的,(沿半径的Line7.withradialposition随着径向withlength随长度Ltine14:velocity迹率,逐度Line16.sophisticated复杂的Line20.precarious靠不住的,危险的
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