Mathematical model of a constructional coanda effect nozzle.

Journal article


Trancossi, Michele, Stewart, Jill, Subhash, M and Angeli, Diego 2016. Mathematical model of a constructional coanda effect nozzle. Journal of Applied Fluid Mechanics..
AuthorsTrancossi, Michele, Stewart, Jill, Subhash, M and Angeli, Diego
Abstract

This paper analyses the ACHEON Coanda effect nozzle for aircraft propulsion, based on the dynamic equilibrium of two jet streams. The ACHEON concept, and, in particular, the HOMER nozzle, which is its main component, are presented, together with the literature milestones from which the idea originally stems. A subsystem analysis inspired by the principles of Constructal Theory is presented for the current architecture. A mathematical model of a 2D case of the system is developed, focusing on the combined effect of the mixing of the two streams and the Coanda adhesion over a convex surface. A validation of the model is also reported, based on 2D CFD analyses, under the hypothesis of incompressible flow. Results highlight that, in spite of its relative simplicity, the model produces accurate results.

KeywordsCoanda effect; Fluid dynamic adhesion; Dual stream; Mathematical model; Constructal law
Year2016
JournalJournal of Applied Fluid Mechanics.
PublisherPhysics Society of Iran.
ISSN1735-3572
Web address (URL)http://hdl.handle.net/10545/623465
http://creativecommons.org/licenses/by-nd/3.0/us/
hdl:10545/623465
Publication dates2016
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Deposited31 Jan 2019, 11:02
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Attribution-NoDerivs 3.0 United States

ContributorsSheffield Hallam University
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