Wind Tunnel Testing for Drag Reduction of an Aircraft Laser Turret - Couverture souple

Snyder Od Msc, Christopher

 
9781288369058: Wind Tunnel Testing for Drag Reduction of an Aircraft Laser Turret
Couverture souple
ISBN 10 : 1288369050 ISBN 13 : 9781288369058
Editeur : BiblioBazaar, LLC, 2012

Synopsis


This study investigated the use of aft-mounted fairings and splitter plates to reduce the drag of a half-scale aircraft laser turret. Forces, moments, and pressure distributions were measured in the AFIT 1.5-m (5-ft) wind tunnel at Reynolds numbers between 3x105 and 9x105 based on the turret diameter. Oil traces indicated the nature of the flow near the surface of the unmodified turret and the surrounding area. Tufts placed on the turret, fairings, and splitter plates showed changes in separation regions when configurations were changed. The flow around the turret was characterized by dominant vortices shedding from the top of the turret and a large trailing wake of vorticity. Splitter plates were ineffective in reducing drag as a result of the strong flow over the top of the turret. A small fairing reduced baseline drag by 49% but was unable to produce attached flow near the turret.

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Éditeur
BiblioBazaar, LLC
Date d'édition
2012
Langue
anglais
ISBN 10 
1288369050
ISBN 13 
9781288369058
Reliure
Broché
Nombre de pages
110
Coordonnées du fabricant
non disponible
Personne responsable
gpsr@libri.de
gpsr@libri.de

Friedensallee 273
Hamburg
22763
Allemagne