Evaluation of critical nuclear power plant electrical cable response to severe thermal fire conditions

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dc.contributor.advisorMilke, James Aen_US
dc.contributor.authorTaylor, Gabriel Jamesen_US
dc.contributor.departmentFire Protection Engineeringen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.date.accessioned2012-07-10T05:37:21Z
dc.date.available2012-07-10T05:37:21Z
dc.date.issued2012en_US
dc.description.abstractThe failure of electrical cables exposed to severe thermal fire conditions are a safety concern for operating commercial nuclear power plants (NPPs). The Nuclear Regulatory Commission (NRC) has promoted the use of risk-informed and performance-based methods for fire protection which resulted in a need to develop realistic methods to quantify the risk of fire to NPP safety. Recent electrical cable testing has been conducted to provide empirical data on the failure modes and likelihood of fire-induced damage. This thesis evaluated numerous aspects of the data. Circuit characteristics affecting fire-induced electrical cable failure modes have been evaluated. In addition, thermal failure temperatures corresponding to cable functional failures have been evaluated to develop realistic single point thermal failure thresholds and probability distributions for specific cable insulation types. Finally, the data was used to evaluate the prediction capabilities of a one-dimension conductive heat transfer model used to predict cable failure.en_US
dc.identifier.urihttp://hdl.handle.net/1903/12801
dc.subject.pqcontrolledEngineeringen_US
dc.subject.pquncontrolledelectrical cableen_US
dc.subject.pquncontrolledfire protectionen_US
dc.subject.pquncontrollednuclear power plantsen_US
dc.titleEvaluation of critical nuclear power plant electrical cable response to severe thermal fire conditionsen_US
dc.typeThesisen_US

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