Surface mobility of surfactant solutions XVI. Involvement of the fluid viscosities in the Marangoni flow – some aspects

Abstract

The influence of viscosity upon the Marangoni flow (induced by surface tension differences) in competition with the gravity flow, through a thin liquid layer of triangular section has been experimentally investigated in the present work. The obtained data are compared with those resulted from numerical analysis by the finite element method. Both approaches indicate the same direction for the influence of viscosity upon the flow.

Authors

C.I. Gheorghiu
Tiberiu Popoviciu Institute of Numerical Analysis

E. Chifu
 Chemical and Chemical Engineering Faculty , Babeș-Bolyai University

E. Gavrilă
 Chemical and Chemical Engineering Faculty , Babeș-Bolyai University

M. Sălăjan
 Chemical and Chemical Engineering Faculty , Babeș-Bolyai University

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E. Chifu, E. Gavrila, M. Sălăjan, C.I. Gheorghiu, Surface mobility of surfactant solutions XVI. Involvement of the fluid viscosities in the Marangoni flow – some aspects, Studia Univ. Babeş-Bolyai Chemia XXXIX (1994), pp. 159-166.

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