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      On starting conditions for a submerged sink in a fluid

      Forbes, Lawrence K.; Stokes, Tim E.; Hocking, Graeme Charles
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      PaperImpulseStartnew.pdf
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      DOI
       10.1007/s10665-007-9174-2
      Link
       www.springerlink.com
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      Citation
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      Forbes, L.K., Stokes, T.E. & Hocking, G.C.(2008). On starting conditions for a submerged sink in a fluid. Journal of Engineering Mathematics, 61(1), 55-68.
      Permanent Research Commons link: https://hdl.handle.net/10289/2009
      Abstract
      Withdrawal of a fluid through an isolated line sink (for planar flow) or a point sink (for axi-symmetric flow in three dimensions) is considered. A linearized solution is presented in both cases, under the assumption that the sink strength is small and the sink is turned on gradually. The results show that the behaviour for small times is as if an image source were present above the surface. Asymptotic results indicate that, in both cases, the flow rapidly develops an effective image sink above the free surface.
      Date
      2008
      Type
      Journal Article
      Publisher
      Springer
      Rights
      This is an author’s version of an article published in Journal of Engineering Mathematics. © 2008 Springer. The original publication is available at www.springerlink.com.
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      • Computing and Mathematical Sciences Papers [1454]
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