Summary
The flow of layers of different heights of n incompressible immiscible fluids between two plates has been considered and it has been shown that whatever be the number of fluids and whatever be their heights, a unique velocity maximum always exists and a formula for finding the layer in which this maximum occurs has been given. For the particular case of two layers it has been shown that the curve of total flux against the ratio of the heights of the fluids has always a point of inflexion. Further this ratio has been determined so that the fluxes of the two fluids are equal.
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References
Bird, R. B., W. E. Stewart and E. N. Lightfoot, Transport Phenomena, John Wiley and Sons, New York, 1960.
Kapur, J. N., Proc. Nat. Inst. Sci. Ind. 22A (1956) 236.
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Kapur, J.N., Shukla, J.B. The flow of incompressible immiscible fluids between two plates. Appl. sci. Res. 13, 55–60 (1964). https://doi.org/10.1007/BF00382036
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DOI: https://doi.org/10.1007/BF00382036