Comment on "Two touching spherical drops in uniaxial extensional flow: analytic solution to the creeping flow problem".
From an analysis of tangent spherical drops in straining flow, Baldessari and Leal conclude that the drop-scale internal circulation, driven by the ambient flow, has a negligible influence on the drainage of the thin liquid film between drops under small-deformation conditions [F. Baldessari, L.G. Leal, J. Colloid Interface Sci. 289 (2005) 262]. However, their conclusion is incorrect as explained in this letter.
Nemer
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Chen
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Papadopoulos
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Bławzdziewicz
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Loewenberg
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