An introductory essay on subcritical instabilities and the transition to turbulence in viscoelastic parallel shear flows

@inproceedings{Morozov2007AnIE,
  title={An introductory essay on subcritical instabilities and the transition to turbulence in viscoelastic parallel shear flows},
  author={Alexander N. Morozov and Wim van Saarloos},
  year={2007}
}
This paper is an pedagogical essay on the scenario of the instabilities and the transition to turbulence in visco-elastic polymer flows. When polymers are long, they get easily stretched by the shear present in flows, and the viscosity of the solution or melt is large. As a result, inertial effects are usually negligible as the Reynolds numbers are small but the fluid is strongly nonNewtonian due to the shear-induced elasticity and anistropy, and the slow relaxation effects. The dimensionless… CONTINUE READING
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