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An experimental method for the investigation of subsonic stall flutter in gas turbine engine fans and compressors

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dc.contributor.authorCopenhaver, William Warden
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2017-01-10T20:35:10Zen
dc.date.available2017-01-10T20:35:10Zen
dc.date.issued1978en
dc.description.abstractA facility for the investigation of stall flutter in aircraft engine compressors and fans was designed. Stall flutter was achieved in the test fan and verified through sonic and photographic methods. The frequency components of the sonic output during flutter were determined using a real-time analyzer. This frequency analysis indicated a dominant peak within 7 percent of the theoretical torsional natural frequency of the blades. Photographs taken during stall flutter indicated the presence of an interblade phase angle. The effect of blade stagger angle, flow incidence angle and solidity on flutter speed was determined.en
dc.description.degreeMaster of Scienceen
dc.format.extentvii, 50 p.en
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/10919/74137en
dc.language.isoen_USen
dc.publisherVirginia Polytechnic Institute and State Universityen
dc.relation.isformatofOCLC# 6719620en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1978.C674en
dc.subject.lcshAirplanes -- Turbine-propeller enginesen
dc.subject.lcshGas-turbines -- Vibrationen
dc.subject.lcshGas-turbines -- Bladesen
dc.titleAn experimental method for the investigation of subsonic stall flutter in gas turbine engine fans and compressorsen
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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