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CFD Modelling of the Coanda Based Thrust Vectoring Nozzle (CROSBI ID 60818)

Prilog u knjizi | izvorni znanstveni rad | međunarodna recenzija

Suñol, A. ; Vucinic, D. ; Vanlanduit, S. CFD Modelling of the Coanda Based Thrust Vectoring Nozzle // ENGINEERING APPLICATIONS OF COMPUTATIONAL FLUID DYNAMICS / Shaari, KZK ; Awang, M (ur.). New York (NY): Springer, 2014. str. 73-84 doi: 10.1007/978-3-319-02836-1_6

Podaci o odgovornosti

Suñol, A. ; Vucinic, D. ; Vanlanduit, S.

engleski

CFD Modelling of the Coanda Based Thrust Vectoring Nozzle

The paper presents the CFD study of a Coanda- effect based nozzle, developed within the European FP7 project ACHEON. The ACHEON nozzle is able to provide a directional thrust without any movement of mechanical parts, by utilizing the Coanda effect to divert a jet from the symmetry axis. The deviation of the jet produces an oriented thrust vector due to the existence of a perpendicular component to the main propulsive direction. The studied nozzle is envisaged to be applied to UAVs. The directional thrust control-its deviation from the symmetry axis-is achieved by the relative mass flow variations between the two inlet jets. The geometry of the nozzle forces the resulting jet to follow the desired trajectory, thus by controlling in this way the thrust direction exerted by the nozzle. The influence of the selected parameters on the control of the thrust direction has been studied using CFD. In particular, the dependency of the thrust change in respect to the inlet conditions is analysed for different scenarios, with special focus on the thrust magnitude and its direction. The following parameters affecting the flow field of the nozzle have been studied: (a) the ratio of inlet velocities, (b) the Reynolds number at the throat and (c) the geometrical ratio throat/cylinder. Significant dependences between the identified parameters have been observed.

Coanda-effect based nozzle

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Podaci o prilogu

73-84.

objavljeno

10.1007/978-3-319-02836-1_6

Podaci o knjizi

ENGINEERING APPLICATIONS OF COMPUTATIONAL FLUID DYNAMICS

Shaari, KZK ; Awang, M

New York (NY): Springer

2014.

978-3-319-02836-1

1869-8433

Povezanost rada

Računarstvo

Poveznice