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Effect of blowing on the resistance of a sphere in laminar flow of viscous fluid

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

Using the method of matching asymptotic expansions [1–3], a stationary field of velocities is obtained in the vicinity of a sphere for Reynolds numbers R and ɛR computed from the blowing velocity and the fluid flow, respectively; they satisfy the relations ɛR2 ≪ 1 and ɛR ≪ 1. It is also shown that for intensive blowing (R ≫ 1), the resistive force is considerably smaller than that found by using the Stokes formula. For weak blowing the results are in good agreement with the solution of Oseen.

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Literature cited

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Translated from Zhurnal Prikladnoi Mekhaniki i Tekhnicheskai Fiziki, No. 3, pp. 110–114, May–June, 1972.

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Golovin, A.M. Effect of blowing on the resistance of a sphere in laminar flow of viscous fluid. J Appl Mech Tech Phys 13, 356–360 (1972). https://doi.org/10.1007/BF00850427

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  • DOI: https://doi.org/10.1007/BF00850427

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