Higher order approximation for combined mode heat transfer in building insulations

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dc.contributor.authorGupta, Sanjeeven
dc.contributor.committeechairThomas, James R. Jr.en
dc.contributor.committeememberMahan, James Roberten
dc.contributor.committeememberNelson, Douglas J.en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2014-03-14T21:40:33Zen
dc.date.adate2010-07-15en
dc.date.available2014-03-14T21:40:33Zen
dc.date.issued1988-01-05en
dc.date.rdate2010-07-15en
dc.date.sdate2010-07-15en
dc.description.abstractFor heat transfer through building insulations such as fiberglass, radiation and conduction are important modes of heat transfer. Moreover, materials like fiberglass scatter radiation in a highly anisotropic manner. The equations for heat transfer by simultaneous conduction and radiation are a coupled pair, one of which is of the nonlinear integrodifferential type. Exact solution for transient heat transfer in this case is not available, and the approximate solution available is the two-flux model. The two-flux model does not give good results for transient, combined mode heat transfer, through an absorbing, emitting, and anisotropically scattering medium. In this thesis a higher order approximate solution has been developed. It is found that this model gives appreciably better results than the two-flux model.en
dc.description.degreeMaster of Scienceen
dc.format.extentix, 78 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-07152010-020305en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-07152010-020305/en
dc.identifier.urihttp://hdl.handle.net/10919/43751en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1988.G867.pdfen
dc.relation.isformatofOCLC# 17726662en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1988.G867en
dc.subject.lcshBuilding materials -- Effect of temperature onen
dc.subject.lcshHeat -- Transmissionen
dc.subject.lcshHeat-transfer mediaen
dc.subject.lcshInsulation (Heat)en
dc.titleHigher order approximation for combined mode heat transfer in building insulationsen
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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