CNS Meeting
Monday 21 October 2002, 11:00 AM, W505 Howey
Tugging at Polymers in Turbulent Flow: The
Polymers Tug Back
Jean-Luc
Thiffeault
In the absence of flow, long polymers in dilute solution tend to
tangle up in balls. But in the presence of strain, they uncoil and
begin to exert a stress on the fluid. A polymer solution is thus
well-described as a viscoelastic flow. A simple model of turbulence,
where the strain is a random variable delta-correlated in time, is
used to predict the average length and induced stress of the polymers.
![[FOSTERS BEER]](fosters.gif)