UNSPECIFIED (2005) Turbulent-laminar patterns in plane Couette flow. In: Symposium on Non-Uniqueness of Solutions to the Navier-Stokes Equations and Their Connection with Laminar-Transition, AUG 09-11, 2004, Bristol, ENGLAND.

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Abstract

Regular patterns of turbulent and laminar fluid motion arise in plane Couette flow near the lowest Reynolds number for which turbulence can be sustained. We study these patterns using an extension of the minimal flow unit approach to simulations of channel flows pioneered by Jimenez and Moin. In our case computational domains are of minimal size in only two directions. The third direction is taken to be large. Furthermore, the long direction can be tilted at any prescribed angle to the streamwise direction. We report on different patterned states observed as a function of Reynolds number, imposed tilt, and length of the long direction. We compare our findings to observations in large aspect-ratio experiments.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	T Technology > TJ Mechanical engineering and machinery
Series Name:	FLUID MECHANICS AND ITS APPLICATIONS
Journal or Publication Title:	IUTAM Symposium on Laminar-Turbulent Transition and Finite Amplitude Solutions
Publisher:	SPRINGER
ISBN:	1-4020-4048-2
Editor:	Mullin, T and Kerswell, R
Date:	2005
Volume:	77
Number of Pages:	21
Page Range:	pp. 107-127
Publication Status:	Published
Title of Event:	Symposium on Non-Uniqueness of Solutions to the Navier-Stokes Equations and Their Connection with Laminar-Transition
Location of Event:	Bristol, ENGLAND
Date(s) of Event:	AUG 09-11, 2004
URI:	http://wrap.warwick.ac.uk/id/eprint/32644

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