文档介绍：positionprofilesinsomenonisothermalprocessesEnergyflux,massfluxes,andsomeofthereactionsandequilibriumsingasificationofcoalEffectsofTemperatureGradientonMasstransfer:Itisthedirectcauseofmolecularmotion(Soret),’smentor,CarlLudwig;pleteexperimentswerelatermadebyCharlesSoret,,duetothespeciesfluxes(profoundeffects)Directcontributiontotheheatfluxinducedbyspeciesdiffusion(includingthermaldiffusion)(Dufour)EffectsonthepropertiesMasstransferaffectsheattransfer:MolecularFluxesandGradientsforaNonisothermalMixtureGradientHeatfluxFluxofspeciesiTemperaturePotentialofspeciesConduction(Fourier)qcDiffusion-thermoeffect(Dufour)qxThermaldiffusion(Soret)DiffusionConservationofChemicalSpeciesThermaldiffusion(Soreteffect)ponentirelativetothemassaveragevelocityofthermaldiffusion:,thermaldiffusioncoefficient,kgm-1s-(A+B)Thermaldiffusion(Soret)::steeptemperaturegradient,(especially,ponents)ponentthermaldiffusionfactoras: