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Flow past periodic arrays of spheres at low Reynolds number

  • HONGWEI CHENG (a1) and GEORGE PAPANICOLAOU (a2)

Abstract

We calculate the force on a periodic array of spheres in a viscous flow at small Reynolds number and for small volume fraction. This generalizes the known results for the force on a periodic array due to Stokes flow (zero Reynolds number) and the Oseen correction to the Stokes formula for the force on a single sphere (zero volume fraction). We use a generalization of Hasimoto's approach that is based on an analysis of periodic Green's functions. We compare our results to the phenomenological ones of Kaneda for viscous flow past a random array of spheres.

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Flow past periodic arrays of spheres at low Reynolds number

  • HONGWEI CHENG (a1) and GEORGE PAPANICOLAOU (a2)

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