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Pressure Sensitive Paints in Quantitative Wind Tunnel Studies

Engler, R. (2004) Pressure Sensitive Paints in Quantitative Wind Tunnel Studies. In: ISFV11 2004 Flow Visualization, pp. 1-11. 11th International Symposium on Flow Visualization, University of Notre Dame, Notre Dame, Indiana, USA. ISBN 0-9533991-5.

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Abstract

The pressure sensitive paint intensity and lifetime system (PSP) is an optical measurement technique to investigate absolute pressure fields on model surfaces for basic research in laboratories, industrial wind tunnels or high speed rotating turbomachines. Detailed information and understanding of flow phenomena – in our case, pressure and temperature fields – can be obtained in speed ranges from U8=20m/s up to Ma= 5.0 as well as qualitative and quantitative data. A number of investigations in different speed ranges from low speed flow over transonic to trisonic and cryogenic were realised and compared with conventional techniques like pressure taps, Kulites®, PIV and laser light sheets. Also the influence of errors was checked for system components and several CFD comparisons in connection to numerical calculation models. Various models from the basic configuration as a cropped delta wing up to a complex Airbus A400M half model with all flaps, rudders and shrouds and rotating or oscillating as well as Reynolds number effects on models were investigated. Finally two complete mobile industrial PSP systems are available now for precise measurements and control the CFD theory using these techniques. 1

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=2004, monograph_id=068,
Title:Pressure Sensitive Paints in Quantitative Wind Tunnel Studies
Authors:
AuthorsInstitution or Email of Authors
Engler, R.UNSPECIFIED
Date:2004
Journal or Publication Title:ISFV11 2004 Flow Visualization
Page Range:pp. 1-11
Editors:
EditorsEmail
I. Grant, UNSPECIFIED
Electronic Proceedings Editor T.J. Mueller, UNSPECIFIED
Chairman R.C. Nelson, UNSPECIFIED
Co-Chairman T.C. Corke, UNSPECIFIED
Co-Chairman, UNSPECIFIED
Series Name:CD ROM Proceedings
ISBN:0-9533991-5
Status:Published
Keywords:Optical pressure measurement, pressure sensitive Paint, PSP, TSP, optical sensors .
Event Title:11th International Symposium on Flow Visualization, University of Notre Dame, Notre Dame, Indiana, USA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Ilka Micknaus
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:33

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