Browsing American Physical Society Division of Fluid Dynamics by Author "Enriquez, Oscar R."

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    • Collapse of Non-axisymmetric Cavities 

      Enriquez, Oscar R.; Peters, Ivo R.; Gekle, Stephan; Schmidt, Laura; Versluis, Michel; van der Meer, Devaraj; Lohse, Detlef (2009-10-14)
      A round disk with a harmonic disturbance impacts on a water surface and creates a non-axisymmetric cavity which collapses under the influence of hydrostatic pressure. We use disks deformed with mode m=2 to m=6. For all ...

    • Rodless Weissenberg Effect 

      Soto, Enrique; Enriquez, Oscar R.; Zenit, Roberto; Manero, Octavio (2008-10-08)
      The climbing effect of a viscoelastic fluid when stirred by a spinning rod is well documented and known as Weissenberg effect(Wei et al, 2006). This phenomenon is related to the elasticity of the fluid. We have observed ...