SENSITIVITY STUDIES FOR THE PWR ROD EJECTION ACCIDENT

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The objective of this study was to understand the uncertainty in fuel enthalpy calculated for the rod ejection accident (REA) in a pressurized water reactor (PWR). This is to help the US Nuclear Regulatory Commission in making judgments about acceptance criteria for the REA when high burnup fuel is used and for assessing the validity of licensee methods for calculating the REA. The approach is twofold. Sensitivity studies were first done to determine the effect on calculated fuel enthalpy of uncertainties in the important parameters which determine the outcome of the REA. The second step, which will be carried out ... continued below

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5 pages

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DIAMOND,D.J.; YANG,C.Y. & ARONSON,A.L. November 14, 1999.

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The objective of this study was to understand the uncertainty in fuel enthalpy calculated for the rod ejection accident (REA) in a pressurized water reactor (PWR). This is to help the US Nuclear Regulatory Commission in making judgments about acceptance criteria for the REA when high burnup fuel is used and for assessing the validity of licensee methods for calculating the REA. The approach is twofold. Sensitivity studies were first done to determine the effect on calculated fuel enthalpy of uncertainties in the important parameters which determine the outcome of the REA. The second step, which will be carried out at a later date, is to use the sensitivity to estimate the random error in the fuel enthalpy due to random errors in these key parameters once the variance of these parameters is determined.

Physical Description

5 pages

Notes

INIS; OSTI as DE00759029

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  • AMERICAN NUCLEAR SOCIETY 1999 WINTER MEETING, LONG BEACH, CA (US), 11/14/1999--11/18/1999

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  • Report No.: BNL--NUREG-67013
  • Report No.: JCNW6382
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 759029
  • Archival Resource Key: ark:/67531/metadc708236

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  • November 14, 1999

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 9, 2015, 2:32 p.m.

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DIAMOND,D.J.; YANG,C.Y. & ARONSON,A.L. SENSITIVITY STUDIES FOR THE PWR ROD EJECTION ACCIDENT, article, November 14, 1999; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc708236/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.