UNSPECIFIED (2002) Spectral/hp element technology for global flow instability and control. AERONAUTICAL JOURNAL, 106 (1065). pp. 619-625. ISSN 0001-9240

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Abstract

The objective of our paper is to demonstrate the use of spectral/hp element technology((1)) in unravelling global flow instability mechanisms. Understanding these mechanisms is central to devising flow control approaches based on theoretically-founded physical principles. Global instability theory is concerned with prediction and control of linear and nonlinear disturbances developing in flows that are inhomogeneous in more than one spatial direction. As such, this theory encompasses the classic analysis of Tollmien((2)) which is valid for simple geometries of academic interest (e.g. a flat-plate) and therefore broadens the scope of this well-established but simplified methodology to include realistic problems encountered in aeronautical engineering. Compared with a direct numerical simulation approach, global instability theory can be used to explore efficiently far wider parameters ranges and deliver physical information to be used as handle for effective flow control.

Item Type:	Journal Article
Subjects:	T Technology > TL Motor vehicles. Aeronautics. Astronautics
Journal or Publication Title:	AERONAUTICAL JOURNAL
Publisher:	ROYAL AERONAUTICAL SOC
ISSN:	0001-9240
Date:	November 2002
Volume:	106
Number:	1065
Number of Pages:	7
Page Range:	pp. 619-625
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/10358

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