Berkeley Fluids Seminar

University of California, Berkeley

Bring your lunch and enjoy learning about fluids!

Wednesday, April 15, 2015

3110 Etcheverry Hall, 12:00-13:00

Prof. Pascale Garaud (Applied Mathematics, UC Santa Cruz)

Shear instabilities at low Péclet number

This work addresses stratified shear flows at low Péclet number but high Reynolds number. This little-studied limit is relevant in some astrophysical systems, where the Prandtl number is often very small. Furthermore, it can be studied using a reduced set of ''low-Péclet-number equations''. I will discuss the linear stability and energy-stability properties of spatially periodic flows in this limit, and discuss the results of Direct Numerical Simulations.

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