The three-dimensional instability of strained vortices in a viscous fluid
摘要：
The recent theory describing three-dimensional exact solutions of the Navier-Stokes equations is applied to the problem of stability of two-dimensional viscous flow with elliptical streamlines. An intrinsically inviscid instability mechanism persists in all such flows provided the length scale of the disturbance is sufficiently large. Evidence is presented that this mechanism may be responsible for three-dimensional instabilities in high Reynolds number flows whose vortex structures can be locally described by elliptical streamlines.
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关键词：
Flow Stability Stream Functions (Fluids Three Dimensional Flow Viscous Fluids Vortices Computational Fluid Dynamics Flow Geometry Navier-Stokes Equation Reynolds Number Two Dimensional Flow
DOI：
10.1063/1.866124
被引量：
年份：
1987
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