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Slotted wall interference studies in VKI-S1 wind tunnel

Schroeder, W. (1994) Slotted wall interference studies in VKI-S1 wind tunnel. Proceedings of the 2nd Intern. Conference on Exp. Fluid Mechanics July 4-8, 94 Torino, Italy.

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Abstract

Selected results of 2D wall interference studies in the new variable slot width and shape transonic test section of the VKI-S1 wind tunnel are introduced. It was found that overall wall interference could be minimized but significant gradients remained. In addition to airfoil and wall pressures, detailed plenum pressures were recorded. They indicated unfavourable wall/plenum pressure gradients in certain areas which did not support the wall cross flow direction needed for a further reduction of the wall interferences. A two chamber arrangement per horizontal wall is suggested. Supporting detailed results on wall and plenum pressures, actual and needed wall cross flows, and needed suction or blowing rates are provided.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1994, pages=8,
Title:Slotted wall interference studies in VKI-S1 wind tunnel
Authors:
AuthorsInstitution or Email of Authors
Schroeder, W.UNSPECIFIED
Date:1994
Status:Published
Keywords:Wall interference, Wall corrections, Slotted Wind Tunnel Walls, Active Wall Control
Event Title:Proceedings of the 2nd Intern. Conference on Exp. Fluid Mechanics July 4-8, 94 Torino, Italy
HGF - Research field:UNSPECIFIED
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:L SI - Versuchs- und Simulationstechniken
DLR - Research theme (Project):L - Systems & Cabin
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:05

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