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Force measurements on a circular cylinder in a Cryogenic Ludwieg-Tube using piezoelectric transducers

Schewe, Günter and Steinhoff, Christian (2007) Force measurements on a circular cylinder in a Cryogenic Ludwieg-Tube using piezoelectric transducers. Experiments in Fluids, Vol. 42 (No. 3), pp. 489-494. Springer. DOI: 10.1007/s00348-007-0250-1 ISSN 0723-4864

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Official URL: http://www.springerlink.com

Abstract

Force and pressure measurements were performed in a high Reynolds number facility, i.e. the Cryogenic Ludwieg-Tube (KRG). The balance based on multicomponent piezoelectric force transducers was applied totally in the cryogenic environment. The behaviour of the balance was tested ranging from ambient down to cryogenic conditions. As test cases, the flow around a circular cylinder was investigated at a sub- and supercritical Mach number. The highest possible Reynolds number in most nearly incompressible flow (Re = 5.8 × 10^6) was achieved at the temperature of T = −150°C, the highest pressure possible, p 0 = 10 bar, and the lowest attainable Mach number of Ma = 0.28. The results show that, in spite of the pulse operating mode of the tunnel, the steady and unsteady processes can be measured very well by means of a piezoelectric balance.

Item URL in elib:https://elib.dlr.de/49992/
Document Type:Article
Title:Force measurements on a circular cylinder in a Cryogenic Ludwieg-Tube using piezoelectric transducers
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schewe, GünterInstitut für AeroelastikUNSPECIFIED
Steinhoff, ChristianAUDI AG, IngolstadtUNSPECIFIED
Date:2007
Journal or Publication Title:Experiments in Fluids
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:Vol. 42
DOI :10.1007/s00348-007-0250-1
Page Range:pp. 489-494
Publisher:Springer
ISSN:0723-4864
Status:Published
Keywords:force and pressure measurement, high Reynolds number, circular cylinder, piezoelectric balance
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - no assignment (old)
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity
Deposited By: Erdmann, Daniela
Deposited On:19 Jul 2007
Last Modified:27 Apr 2009 14:05

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