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Preventing transition to turbulence: A viscosity stratification does not always help
Published in
Volume: 95
Issue: 26
In channel flows a step on the route to turbulence is the formation of streaks, often due to algebraic growth of disturbances. While a variation of viscosity in the gradient direction often plays a large role in laminar-turbulent transition in shear flows, we show that it has, surprisingly, little effect on the algebraic growth. Nonuniform viscosity therefore may not always work as a flow-control strategy for maintaining the flow as laminar. © 2005 The American Physical Society.
About the journal
JournalPhysical Review Letters
Open AccessNo