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..
| Authors | Trancossi, 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. |
| Keywords | Coanda effect; Fluid dynamic adhesion; Dual stream; Mathematical model; Constructal law |
| Year | 2016 |
| Journal | Journal of Applied Fluid Mechanics. |
| Publisher | Physics Society of Iran. |
| ISSN | 1735-3572 |
| Web address (URL) | http://hdl.handle.net/10545/623465 |
| http://creativecommons.org/licenses/by-nd/3.0/us/ | |
| hdl:10545/623465 | |
| Publication dates | 2016 |
| Publication process dates | |
| Deposited | 31 Jan 2019, 11:02 |
| Rights | Attribution-NoDerivs 3.0 United States |
| Contributors | Sheffield Hallam University |
| File | File Access Level Open |
| File | File Access Level Open |
| File | File Access Level Open |
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