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| Titel: |
ON EXACT SOLUTIONS OF THE MAXWELL-STEFAN EQUATIONS FOR THE MULTICOMPONENT FILM MODEL |
| Auteur: |
Taylor, Ross |
| Verschenen in: |
Chemical engineering communications |
| Paginering: | Jaargang 10 (1981) nr. 1-3 pagina's 61-76 |
| Jaar: |
1981 |
| Inhoud: |
A general solution of the Maxwell-Stefan equations for mass transfer in multicomponent mixtures is obtained in terms of the characteristic roots (or eigenvalues) of these equations. The linear dependence among the composition gradients means that only n-1 of the eigenvalues are independent; the additional eigenvalue is always zero. A number of previously published exact solutions of the Maxwell-Stefan equations (obtained by a variety of mathematical methods) are shown to be essentially equivalent since they are special cases of the fundamental results described here. The general solution of Krishna and Standart may also be obtained using the same method. For the commonly encountered delerminacy conditions of transfer through a stagnant component and of equimolar counter transfer at least one of the independent eigenvalues may be evaluated explicitly in advance of calculating the molar rates of transfer thus reducing the computational eigenvalue problem from one of order n-1 to one of order n-1. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 3 van 12 gevonden artikelen
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