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Separation in a two-dimensional Stokes flow inside an elliptic cylinder

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Abstract

The two-dimensional Stokes flow due to a line rotlet inside a fixed elliptic cylinder is investigated, where it is assumed that the line rotlet intersects the major axis of each elliptical cross-section of the cylinder. For the case in which the line rotlet coincides with the centre-line of the elliptic cylinder, it is shown that the number of eddies in the flow increases in a roughly linear way with the ratio of length to width of a cross-section of the cylinder. Moreover, results obtained by varying the rotlet position for several different fixed boundary shapes suggest that the aforementioned ratio, and not the rotlet position, is the principal determinant of the number of eddies.

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  1. Department of Mathematics, Camrose Lutheran University College, T4V 2R3, Camrose, Alberta, Canada

    W. W. Hackborn

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  1. W. W. Hackborn
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Hackborn, W.W. Separation in a two-dimensional Stokes flow inside an elliptic cylinder. J Eng Math 25, 13–22 (1991). https://doi.org/10.1007/BF00036599

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  • DOI: https://doi.org/10.1007/BF00036599

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