Dufour number

Dufour number

[¦dü·fȯr ‚nəm·bər]
(thermodynamics)
A dimensionless number used in studying thermodiffusion, equal to the increase in enthalpy of a unit mass during isothermal mass transfer divided by the enthalpy of a unit mass of mixture. Symbol Du2.
References in periodicals archive ?
The values of Dufour number (Df) and Soret number (Sr) are chosen in such a way that their product is constant provided that the mean temperature [T.
The effects of Soret and Dufour numbers on the velocity field are shown in Fig.
The effects of Soret and Dufour numbers on the temperature field are shown in Fig.