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Base Bleed Efficiency Criterion

Zhdanov, V.L.(1) and Eckelmann, H.(2) and Stasicki, B. (1992) Base Bleed Efficiency Criterion. IUTAM-Symposium, BLUFF-BODY WAKES; DYNAMICS AND INSTABILITIES 7-11 Sept. 1992 Germany, MPI fuer Stroemungsforschung u. Inst.f. Angewandte Mechanik u. Stroemungsphysik der Universitaet Goettingen.

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Abstract

The base bleed of a two-dimensional body with different slot widths at the trailing edge is examined. It is shown that the value of the maximum base pressure depends on the slot width but in all cases corresponds to the same value of the momentum flux density. This parameter is determined only by the body drag. Turbulent characteristics of the wake behind the body are measured at the optimum value of the momentum flux density. Visualization of the flowpattern immediately behind the trailing edge of the body was made without and with bleeding.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1992, pages=4,
Title:Base Bleed Efficiency Criterion
Authors:
AuthorsInstitution or Email of Authors
Zhdanov, V.L.(1)UNSPECIFIED
Eckelmann, H.(2)UNSPECIFIED
Stasicki, B.UNSPECIFIED
Date:1992
Status:Published
Keywords:Base Bleed, Flow Visualization
Event Title:IUTAM-Symposium, BLUFF-BODY WAKES; DYNAMICS AND INSTABILITIES 7-11 Sept. 1992 Germany, MPI fuer Stroemungsforschung u. Inst.f. Angewandte Mechanik u. Stroemungsphysik der Universitaet Goettingen
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):UNSPECIFIED
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik
Deposited By: elib DLR-Beauftragter
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:07

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