Tip clearance and angle of attack effects upon the unsteady response of a vibrating flat plate in crossflow

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dc.contributor.authorLewis, Daniel Russellen
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2014-03-14T21:38:07Zen
dc.date.adate2009-06-11en
dc.date.available2014-03-14T21:38:07Zen
dc.date.issued1993-02-05en
dc.date.rdate2009-06-11en
dc.date.sdate2009-06-11en
dc.description.abstractThe influence of tip clearance and angle of attack upon the mid-span unsteady pressure response of a vibrating flat plate was investigated experimentally. Unsteady pressure measurements were taken for a variety of incidence angles, vibration frequencies and tip clearances over a Mach number range of 0.2 to 0.6. It was found that changes in tip clearance had an effect on measured pressure fluctuations at higher angles of attack and larger Mach numbers. It was also observed that the amplitude of the unsteady pressure increased as the incidence angle was increased. The plate was mechanically induced to oscillate in translation, simulating the flISt bending mode. Averaged Fast Fourier Transforms were used to determine pressure oscillation amplitudes and phase lags with respect to the plate motion.en
dc.description.degreeMaster of Scienceen
dc.format.extentix, 102 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-06112009-063924en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-06112009-063924/en
dc.identifier.urihttp://hdl.handle.net/10919/43198en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1993.L484.pdfen
dc.relation.isformatofOCLC# 28912114en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1993.L484en
dc.subject.lcshPlates (Engineering) -- Vibrationen
dc.subject.lcshTurbomachines -- Bladesen
dc.subject.lcshUnsteady flow (Aerodynamics)en
dc.titleTip clearance and angle of attack effects upon the unsteady response of a vibrating flat plate in crossflowen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen
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