UNSPECIFIED (1993) OPTIMIZATION OF MULTIPLE-PANEL COMPLIANT WALLS FOR DELAY OF LAMINAR-TURBULENT TRANSITION. AIAA Journal, 31 (7). pp. 1187-1188. ISSN 0001-1452

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Abstract

PREVIOUS theoretical work has led to the development of methods for optimizing compliant-wall properties to achieve the greatest possible transition delay for flat-plate boundary-layer flows. It was found that the optimum wall properties for locally reducing the growth of disturbances depend quite strongly on the Reynolds number. This suggests that it would be advantageous to use multiple-panel walls with each compliant panel optimized for a particular Reynolds number range. Accordingly, the optimization procedure is extended to two-panel compliant walls, and the optimum wall properties are determined that correspond to the greatest transition delay. It is found that, based on a conservative value of n = 7, the e(n) method predicts that the greatest transitional Reynolds number achievable using single- and two-panel compliant walls is respectively 4.6 and 6.05 times the rigid-wall value. The corresponding wall properties are readily realizable for operation in water, but are probably not feasible in air.

Item Type:	Journal Article
Subjects:	T Technology > TL Motor vehicles. Aeronautics. Astronautics
Journal or Publication Title:	AIAA Journal
Publisher:	AMER INST AERONAUT ASTRONAUT
ISSN:	0001-1452
Date:	July 1993
Volume:	31
Number:	7
Number of Pages:	2
Page Range:	pp. 1187-1188
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/21211

Data sourced from Thomson Reuters' Web of Knowledge

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