Matrix Formulation of the Maxwell-Stefan Equations

It will prove convenient to cast Eqs. 2.1.17 in n - 1 dimensional matrix form. First, we write Eq. 2.1.17 as a sum in terms of the 7/. However, since only /i - 1 of the 7/ are independent. 

For a two component system all matrices become scalars and Eq. 2.1.25 becomes 

In an attempt to check the validity of the Maxwell-Stefan equations Carty and Schrodt (1975) evaporated a binary liquid mixture of acetone(l) and methanol(2) in a Stefan tube. Air(3) was used as the carrier gas. In one of their experiments the composition of the vapor at the liquid surface was x = 0.319, x = 0.528. The pressure and temperature in the vapor phase were 99.4 kPa and 328.5 K, respectively. The length of the diffusion path was 

The Maxwell-Stefan diffusion coefficients of the three binary pairs are 

Calculate the composition profiles predicted by the Maxwell-Stefan equations and compare the results with the experimental data. 

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Matrix Formulation of the Maxwell-Stefan Equations for Nonideal Fluids... 

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