Work

Preventing Transition to Turbulence: A Viscosity Stratification Does Not Always Help

Year: 2005
Type: article
Abstract: 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.
Language: English
Open Access status: green
OpenAlex ID: W2118199724
FWCI: 2.652
Cites: 18
Cited by: 35
Related to: 10