Supersonic flows of Bethe-Zel'dovich-Thompson fluids in cascade configurations

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dc.contributor.authorMonaco, Jeffrey Francisen
dc.contributor.departmentEngineering Mechanicsen
dc.date.accessioned2014-03-14T21:37:49Zen
dc.date.adate2009-06-11en
dc.date.available2014-03-14T21:37:49Zen
dc.date.issued1994en
dc.date.rdate2009-06-11en
dc.date.sdate2009-06-11en
dc.description.abstractWe examine the dense gas behavior of Bethe-Zel'dovich-Thompson (BZT) fluids in two-dimensional, steady, inviscid, supersonic cascade configurations. Bethe-Zel'dovichThompson fluids are single-phase gases having specific heats so large that the fundamental derivative of gas dynamics, Γ, is negative over a finite range of pressures and temperatures. The equation of state is the well-known Martin-Hou equation, and the numerical scheme is the explicit predictor-corrector method of MacCormack. Numerical comparisons between BZT fluids and more classical fluids such as steam are presented in order to illustrate the possible advantages of using BZT fluids in supersonic cascades. It was found that the natural dynamics of BZT fluids can result in significant reductions in the adverse pressure gradients associated with the collision of compression waves with neighboring turbine blades. A numerical example of an entirely isentropic supersonic cascade flow using a BZT fluid is also presented.en
dc.description.degreeMaster of Scienceen
dc.format.extentvi, 66 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-06112009-063024en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-06112009-063024/en
dc.identifier.urihttp://hdl.handle.net/10919/43113en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1994.M662.pdfen
dc.relation.isformatofOCLC# 31298179en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1994.M662en
dc.subject.lcshCascades (Fluid dynamics)en
dc.subject.lcshGas dynamicsen
dc.subject.lcshShock wavesen
dc.titleSupersonic flows of Bethe-Zel'dovich-Thompson fluids in cascade configurationsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineEngineering Mechanicsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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