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1 Journal of Theoretical and Applied Mechanics

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Steady Oseen’s flow past a deformed sphere: an analytical approach

Srivastava D. K., Yadav R. R., Yadav S.

Journal of Theoretical and Applied Mechanics

2013

Vol. 51 nr 3

661--673

In a recent authors’ paper, the general expression of Stokes drag experienced by a deformed sphere in both longitudinal and transverse flow situations was calculated in terms of the deformation parameter up to the second order. In this paper, Oseen’s correction to the axial Stokes drag on the deformed sphere is presented by using Brenner’s formula in general, first and then applied to prolate and oblate the deformed spheroid up to the second order of the deformation parameter. Numerical values of Oseen’s correction is obtained with respect to the deformation parameter and Reynolds number. The corresponding variations are depicted in figures. Some particular cases of a needle shaped body and flat circular disk are considered and found to be in good agreement with those existing in the literature. The import ant applications are also highlighted.