Physics – Fluid Dynamics
Scientific paper
2009-01-30
J. Non-Newtonian Fluid Mech. 153 (2008) 183-190
Physics
Fluid Dynamics
16 pages, 8 figures
Scientific paper
10.1016/j.jnnfm.2007.12.009
Recently singular solutions have been discovered in purely elongational flows of visco-elastic fluids. We surmise that these solutions are the mathematical structures underlying the so-called birefringent strands seen experimentally. In order to facilitate future experimental studies of these we derive a number of asymptotic results for the scaling of the width and extension of the near-singular structures in the FENE-P model for polymers of finite extensibility.
Becherer Paul
Morozov Alexander N.
Saarloos Wim van
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