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Experimental and Theoretical Study of Wide-Angle Diffuser Flow with Screens.

Seltsam, M. (1995) Experimental and Theoretical Study of Wide-Angle Diffuser Flow with Screens. AIAA Journal, Vol. 33, No. 11, November 1995, pp. 2092-2100.

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Abstract

A numerical method is modified to enable the computation of diffuser flows containing mesh screens. A Navier-Stokes method with the standard k-e turbulence model is applied. Screen influence on the velocity distribution is demonstrated using flow in a straight duct. A comparison of calculated diffuser flows is made with experimental results. The numerical and experimental investigations on the wide-angle diffuser flow of the transonic wind tunnel at DLR have led to a modification of the actual wind tunnel. An appreciable reduction of spatial velocity disturbances is achieved after realization of the modification.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1996, pages=9,
Title:Experimental and Theoretical Study of Wide-Angle Diffuser Flow with Screens.
Authors:
AuthorsInstitution or Email of Authors
Seltsam, M.UNSPECIFIED
Date:1995
Journal or Publication Title:AIAA Journal, Vol. 33, No. 11, November 1995
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 2092-2100
Status:Published
Keywords:Diffuser, wide-angle diffuser, meshed screens, windtunnel, flow quality, Navier-Stokes method, k-e turbulence model.
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
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 05:30

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