Example 16.5-1 Mass Diffusivity for a Binary Liquid Mixture

> restart;

> mu := 0.705*cp;

> VA:= 140*cm^3/mol;

> psiB:=1.0;

> MB:=78.11*g/mol;

> T:= 288.15*K;

>

> DAB := 7.4e-8*(psiB*MB)^(1/2)*T/(mu*VA^0.6);

> cp:=g/(cm*s*100);

> assume(g>0);assume(mol>0);assume(cm>0);

> simplify(DAB);

> %/(1.38e-5*cm^2/s);

> DABr := (7.4e-10*(sqrt(g)*cm^(14/5)/mol^(1/10)/K/s^2))*(psiB*MB)^(1/2)*T/(mu*VA^0.6);

> simplify(%);

>