This paper analyses the ACHEON Coanda effect based propulsion nozzle for aircraft propulsion based on the dynamic equilibrium of two jet streams. It presents a large bibliographic analysis and the ACHEON concept and, in particular, the HOMER Nozzle, that is its main component. The Constructal optimization process that allows defining this architecture has presented. A preliminary mathematical model of a 2D case of the system has presented, focusing on the combined effect of the mixing effect of the two streams and the Coanda Effect Adhesion over a convex surface. A CFD preliminary validation has presented in uncompressible regime. The results have been evaluated in 2D cases.
Mathematical modelling of a two streams coanda effect nozzle / Trancossi, Michele; Maharshi, Subhash; Angeli, Diego. - 1:(2013), p. V001T01A052. (Intervento presentato al convegno ASME 2013 International Mechanical Engineering Congress and Exposition, IMECE 2013 tenutosi a San Diego, CA, usa nel 2013) [10.1115/IMECE2013-63459].
Mathematical modelling of a two streams coanda effect nozzle
TRANCOSSI, MICHELE;MAHARSHI, SUBHASH;ANGELI, Diego
2013
Abstract
This paper analyses the ACHEON Coanda effect based propulsion nozzle for aircraft propulsion based on the dynamic equilibrium of two jet streams. It presents a large bibliographic analysis and the ACHEON concept and, in particular, the HOMER Nozzle, that is its main component. The Constructal optimization process that allows defining this architecture has presented. A preliminary mathematical model of a 2D case of the system has presented, focusing on the combined effect of the mixing effect of the two streams and the Coanda Effect Adhesion over a convex surface. A CFD preliminary validation has presented in uncompressible regime. The results have been evaluated in 2D cases.
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