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|a Stocker, Roman
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|a Massachusetts Institute of Technology. Department of Civil and Environmental Engineering
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|a Massachusetts Institute of Technology. Department of Mechanical Engineering
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|a Stocker, Roman
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|a Stocker, Roman
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|a Ardekani, Arezoo M.
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|a Ardekani, Arezoo M.
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|a Stratlets: Low Reynolds Number Point-Force Solutions in a Stratified Fluid
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|b American Physical Society,
|c 2010-12-08T21:30:44Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/60244
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|a We present fundamental solutions of low Reynolds number flows in a stratified fluid, including the case of a point force (Stokeslet) and a doublet. Stratification dramatically alters the flow by creating toroidal eddies, and velocity decays much faster than in a homogeneous fluid. The fundamental length scale is set by the competition of buoyancy, diffusion and viscosity, and is O(100 μm-1 mm) in aquatic environments. Stratification can therefore affect the swimming of small organisms and the sinking of marine snow particles, and diminish the effectiveness of mechanosensing in the ocean.
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|a National Science Foundation (U.S.) (NSF OCE- 0744641-CAREER)
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|a MISTI Hayashi Seed Fund
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|a Schlumberger Foundation. Faculty for the Future
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|a en_US
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|a Article
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|t Physical review letters
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