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Numerical and Experimental Investigation of Slot-Blowing Air Over a Cylinder
Runge, William; Buysschaert, Frank; Hayez, Jules et al.
2013In Proceedings of the 5th European Conference for Aeronautics and Space Sciences
 

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Keywords :
Coanda effect; Flow around cylinder; Helicopter yaw control
Abstract :
[en] Tangential slot blowing around a cylinder in the Coanda effect has been proposed as a mechanism for yaw control in a novel coaxial helicopter. The proposed design has been investigated computationally, using the unsteady k-ω SST solver in NUMECA, as well as experimentally in the wind tunnel at the Université de Liège. While the concept in general is promising, it has been shown that there are some potential problems, including pitch-yaw coupling and some unsteady flow conditions. These problems exist under varied circumstances, and, exist at least in part due to the complicated flow-field in this problem, even in 2-dimensions.
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
Runge, William;  Université Libre de Bruxelles - ULB
Buysschaert, Frank;  Université Libre de Bruxelles - ULB
Hayez, Jules;  Université Libre de Bruxelles - ULB
Carlier, François ;  Université de Liège - ULiège > 2e an. master ingé. civ. aérospat., fin. appr.
Antoine, Hubert;  Sagita
Hendrick, Patrick;  Université Libre de Bruxelles - ULB
Dimitriadis, Grigorios ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Interactions Fluide-Structure - Aérodynamique expérimentale
Degrez, Gérard;  Université Libre de Bruxelles - ULB
Language :
English
Title :
Numerical and Experimental Investigation of Slot-Blowing Air Over a Cylinder
Publication date :
July 2013
Event name :
5th European Conference for Aeronautics and Space Sciences
Event organizer :
EUCASS
Event place :
Munich, Germany
Event date :
from 1-7-2013 to 4-7-2013
Audience :
International
Main work title :
Proceedings of the 5th European Conference for Aeronautics and Space Sciences
Pages :
Paper 234
Available on ORBi :
since 09 October 2013

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