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Experimental and Theoretical Study of a Wide-Angle Diffuser Flow with Screens.
Seltsam, M. (1994) Experimental and Theoretical Study of a Wide-Angle Diffuser Flow with Screens. 18th AIAA Aerospace Ground Testing Conference, Colorado Springs/CO, USA, 20-23 June 1994.
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Abstract
A numerical method is modified to enable the computation of diffuser flows considering 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 pipe. 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 Windtunnel Goettingen have led to a modification of the actual windtunnel. An appreciable reduction of velocity- disturbances is achieved after realization of the modification.
| Document Type: | Conference or Workshop Item (Paper) | ||||
|---|---|---|---|---|---|
| Additional Information: | LIDO-Berichtsjahr=1994, pages=9, | ||||
| Title: | Experimental and Theoretical Study of a Wide-Angle Diffuser Flow with Screens. | ||||
| Authors: |
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| Date: | 1994 | ||||
| Series Name: | AIAA 94-2510 | ||||
| Status: | Published | ||||
| Keywords: | Diffuser, Wide-angle Diffuser, Wind-tunnel, Screen, Flow Separation, Turbulence Manipulation, Navier-Stokes Method | ||||
| Event Title: | 18th AIAA Aerospace Ground Testing Conference, Colorado Springs/CO, USA, 20-23 June 1994 | ||||
| HGF - Research field: | UNSPECIFIED | ||||
| HGF - Program: | Aeronautics | ||||
| HGF - Program Themes: | L - no assignement | ||||
| 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 05:28 |
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