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Particle Image Velocimetry of Turbulent Mixed Convection at Ambient and High Pressure

Westhoff, Andreas and Grabinski, Nina and Bosbach, Johannes and Thess, Andre and Wagner, Claus (2007) Particle Image Velocimetry of Turbulent Mixed Convection at Ambient and High Pressure. In: 8th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows, 2, pp. 281-290. 8th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows, 2007-07-02 - 2007-0705, Lyon (France).

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Official URL: http://www.lmfa.ec-lyon.fr/ISAIF

Abstract

Measurement of turbulent mixed convection at reduced model size by aerodynamic scaling is a promising approach to simplify the investigation of many technical configurations and offers the potential to make large scale flows accessible on a laboratory scale. On the pathway to measurement of turbulent mixed convection at high pressure by Particle Image Velocimetry forced, free and mixed convection have been investigated in a generic convection cell at ambient pressure. The scaling theory, which allows to down scale the cell, is presented, the PIV set up used for measurement at high pressure conditions in the high pressure wind tunnel in Göttingen is discussed, and the cell, which is capable of being operated at high pressure, is reviewed. Finally, first results of measurements at ambient pressure in a closed loop open test section wind tunnel at Re = 3500, Gr = 9 · 10<sup>5</sup>, Pr = 0.7 and Ar = 0.4 are discussed.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Particle Image Velocimetry of Turbulent Mixed Convection at Ambient and High Pressure
Authors:
AuthorsInstitution or Email of Authors
Westhoff, AndreasUNSPECIFIED
Grabinski, NinaUNSPECIFIED
Bosbach, JohannesUNSPECIFIED
Thess, AndreIlmenau University of Technology, Department of Mechanical Engineering
Wagner, ClausUNSPECIFIED
Date:July 2007
Journal or Publication Title:8th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows
Refereed publication:No
In ISI Web of Science:No
Volume:2
Page Range:pp. 281-290
Series Name:Proceedings of the 8th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows
Status:Published
Keywords:Mixed Convection, Particle Image Velocimetry (PIV), Scaling
Event Title:8th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows
Event Location:Lyon (France)
Event Type:international Conference
Event Dates:2007-07-02 - 2007-0705
Organizer:Ecole Centrale de Lyon, France
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignement
DLR - Research theme (Project):L -- no assignement
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Fluid Systems
Deposited By: Andreas Westhoff
Deposited On:08 Jan 2009
Last Modified:12 Dec 2013 20:35

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