Transitional intermittency in boundary layers subjected to pressure gradient

Narasimhan, R and Devasia, KJ and Gururani, G and Narayanan, MA Badri (1984) Transitional intermittency in boundary layers subjected to pressure gradient. In: Experiments in Fluids, 2 (4). pp. 171-176.

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Abstract

Results are reported from an extensive series of experiments on boundary layers in which the location of pressure gradient and transition onset could be varied almost independently, by judicious use of tunnel wall liners and transition-fixing devices. The experiments show that the transition zone is sensitive to the pressure gradient especially near onset, and can be significantly asymmetric; no universal similarity appears valid in general. Observed intermittency distributions cannot be explained on the basis of the hypothesis, often made, that the spot propagates at speeds proportional to the local free-stream velocity but is otherwise unaffected by the pressure gradient.

Item Type:	Journal Article
Publication:	Experiments in Fluids
Publisher:	Springer
Additional Information:	Copyright for this article belongs to Springer.
Department/Centre:	Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited:	03 Feb 2010 07:00
Last Modified:	19 Sep 2010 05:32
URI:	http://eprints.iisc.ac.in/id/eprint/20262

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