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Effect of viscosity stratification on secondary and nonmodal instabilities

Sameen, A (2006) Effect of viscosity stratification on secondary and nonmodal instabilities. In: 6th IUTAM Symposium on Laminar-Turbulent Transition, Dec 13-17, 2004, Bangalore, India, pp. 145-151.

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Abstract

The effect of viscosity stratification on the different mechanism of transition to turbulence is not well understood. In this paper, a viscosity variation normal to the flow in a channel is investigated. The primary and secondary instability are computed, and the transient growth is analysed. It is found that viscosity stratification can have different effects in each case.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Springer.
Keywords: Transient growth,secondary instability,viscosity stratification.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 26 Aug 2010 06:43
Last Modified: 19 Sep 2010 06:12
URI: http://eprints.iisc.ernet.in/id/eprint/30672

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