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Design And Testing Of A Vibrating Test Object For Investigating Fluid-Structure Interaction
KTH, Skolan för industriell teknik och management (ITM), Energiteknik, Kraft- och värmeteknologi.
KTH, Skolan för industriell teknik och management (ITM), Energiteknik, Kraft- och värmeteknologi.
KTH, Skolan för industriell teknik och management (ITM), Energiteknik, Kraft- och värmeteknologi.
2008 (engelsk)Inngår i: PROCEEDINGS OF THE ASME TURBO EXPO 2008, VOL 5, PT A, NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2008, s. 415-424Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this study the vibration properties of a deforming test object are presented. The test object is bump shaped and is integrated into the wall of a transonic wind tunnel. The purpose for using such a test object is to study, in a generic manner, the unsteady aerodynamic phenomena occurring due to the presence of a vibrating structure in the flow. The setup is part of an ongoing study to address the phenomena of fluid-structure interaction and shock-boundary layer interaction. The design objective for the test object is to assimilate a IF vibration mode at a given section of atypical compressor blade. Finite element (FE) analyses have been used to predict the frequency response of the test object prior to manufacturing. The design objectives have been verified experimentally by time-resolved laser measurements. It has been found that the FE predictions are in good agreement with experimental data. Furthermore it has been shown that the present test object allows for the achievement of the targeted vibration properties up to a frequency of 250Hz, corresponding to a reduced frequency above 0.8.

sted, utgiver, år, opplag, sider
NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2008. s. 415-424
Emneord [en]
Compressor blades, Design objectives, Experimental data, Finite elements, Laser measurements, Reduced frequency, Shock-boundary layer interactions, Test object, Time-resolved, Transonic wind tunnels, Unsteady aerodynamics, Vibrating structures, Vibration modes, Vibration properties, Aerodynamics, Fluid dynamics, Fluid structure interaction, Frequency response, Testing
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Identifikatorer
URN: urn:nbn:se:kth:diva-31535DOI: 10.1115/GT2008-50740ISI: 000262646400041Scopus ID: 2-s2.0-69949133049ISBN: 978-0-7918-4315-4 (tryckt)OAI: oai:DiVA.org:kth-31535DiVA, id: diva2:408633
Konferanse
53rd ASME Turbo Expo 2008 Berlin, GERMANY, JUN 09-13, 2008
Merknad
QC 20110405Tilgjengelig fra: 2011-04-05 Laget: 2011-03-18 Sist oppdatert: 2011-09-07bibliografisk kontrollert

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