Force acting on a particle in unsteady flow of a pseudoplastic fluid |
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| Authors: | O B Bocharov Ya S Ignatenko |
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| Institution: | 1.Baker Hughes Novosibirsk Technology Center,Novosibirsk,Russia;2.Novosibirsk State University,Novosibirsk,Russia |
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| Abstract: | The accelerated flow of a pseudoplastic fluid around a quiescent sphere at Reynolds numbers Re = 0–200 and dimensionless acceleration Ga = 10–104 is studied by numerical simulation. It is shown that the analytical expression of the added mass force for an ideal fluid is appropriate for a pseudoplastic fluid. An expression for calculating the hereditary Basset force for a pseudoplastic fluid is proposed. |
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