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Development of Brown-Roshko structures in the mixing layer behind a splitter plate

Sandham, Neil D. and Sandberg, Richard D. (2008) Development of Brown-Roshko structures in the mixing layer behind a splitter plate At ERCOFTAC Workshop: Direct and Large-Eddy Simulations 7 (DLES7). 08 - 10 Sep 2008. 6 pp, pp. 1-6.

Record type: Conference or Workshop Item (Paper)

Abstract

A direct numerical simulation has been performed of the near field of a mixing layer formed between a high-speed turbulent stream and a low-speed laminar stream. For improved realism, the simulation includes the splitter plate in the computational domain. The shear layer develops initially from the viscous sublayer of the upstream turbulent boundary layer. A trend towards two-dimensional or weakly oblique structures is observed immediately downstream of the splitter plate. The structures do not show very high coherence levels, suggesting that additional two-dimensional forcing may be present in experiments.

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More information

Published date: 19 September 2008
Venue - Dates: ERCOFTAC Workshop: Direct and Large-Eddy Simulations 7 (DLES7), 2008-09-08 - 2008-09-10
Keywords: mixing layer, coherent structure
Organisations: Aerodynamics & Flight Mechanics

Identifiers

Local EPrints ID: 64134
URI: http://eprints.soton.ac.uk/id/eprint/64134
PURE UUID: 2d517f5d-b12a-45ef-b0df-55038114e26c

Catalogue record

Date deposited: 02 Dec 2008
Last modified: 17 Jul 2017 14:14

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