Determining the moderator temperature coefficient in a PWR by stochastic fluctuation analysis

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dc.contributor.authorHerr, John D.en
dc.contributor.committeechairThomas, James R. Jr.en
dc.contributor.committeememberParkinson, Thomas F.en
dc.contributor.committeememberMitchell, Larry D.en
dc.contributor.committeememberWicks, Alfred L.en
dc.contributor.committeememberVanLandingham, Hugh F.en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2014-03-14T21:10:50Zen
dc.date.adate2006-05-11en
dc.date.available2014-03-14T21:10:50Zen
dc.date.issued1990-05-05en
dc.date.rdate2006-05-11en
dc.date.sdate2006-05-11en
dc.description.abstractAn on-line, passive method for monitoring the moderator temperature coefficient (MTC) in a pressurized water reactor is described and compared to an analytical model. The method correlates fluctuations in the neutron flux with fluctuations in the coolant temperature. Results show that the frequency response function between the in-core neutron flux and thermocouple signals is proportional to the MTC and can be used to monitor changes in the MTC throughout the fuel cycle. An analytical model is also formulated and used to investigate how the neutron flux and coolant temperature fluctuations are related and change in the axial core direction. The analytical model results agree reasonably well with the experimental results.en
dc.description.degreePh. D.en
dc.format.extentix, 112 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-05112006-154745en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-05112006-154745/en
dc.identifier.urihttp://hdl.handle.net/10919/37738en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V856_1990.H477.pdfen
dc.relation.isformatofOCLC# 22252159en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1990.H477en
dc.subject.lcshPressurized water reactors -- Researchen
dc.subject.lcshPressurized water reactors -- Thermodynamicsen
dc.titleDetermining the moderator temperature coefficient in a PWR by stochastic fluctuation analysisen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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