Slender-body theory for steady sheared plumes in very viscous fluid

Robert J. Whittaker, John R. Lister

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A simple model based on slender-body theory is developed to describe the deflection of a steady plume by shear flow in very viscous fluid of the same viscosity. The key dimensionless parameters measuring the relative strengths of the shear, diffusion and source flux are identified, which allows a number of different dynamical regimes to be distinguished. The predictions of the model show good agreement with many, but not all, observations from previous experimental studies. Possible reasons for the discrepancies are discussed.
Original languageEnglish
Pages (from-to)21-44
Number of pages24
JournalJournal of Fluid Mechanics
Publication statusPublished - 2008

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