Trace Assessment for BWR ATWS Analysis

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Description

A TRACE/PARCS input model has been developed in order to be able to analyze anticipated transients without scram (ATWS) in a boiling water reactor. The model is based on one developed previously for the Browns Ferry reactor for doing loss-of-coolant accident analysis. This model was updated by adding the control systems needed for ATWS and a core model using PARCS. The control systems were based on models previously developed for the TRAC-B code. The PARCS model is based on information (e.g., exposure and moderator density (void) history distributions) obtained from General Electric Hitachi and cross sections for GE14 fuel obtained ... continued below

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Cheng, L.Y.; Diamond, D. & Arantxa Cuadra, Gilad Raitses, Arnold Aronson April 22, 2010.

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Description

A TRACE/PARCS input model has been developed in order to be able to analyze anticipated transients without scram (ATWS) in a boiling water reactor. The model is based on one developed previously for the Browns Ferry reactor for doing loss-of-coolant accident analysis. This model was updated by adding the control systems needed for ATWS and a core model using PARCS. The control systems were based on models previously developed for the TRAC-B code. The PARCS model is based on information (e.g., exposure and moderator density (void) history distributions) obtained from General Electric Hitachi and cross sections for GE14 fuel obtained from an independent source. The model is able to calculate an ATWS, initiated by the closure of main steam isolation valves, with recirculation pump trip, water level control, injection of borated water from the standby liquid control system and actuation of the automatic depres-surization system. The model is not considered complete and recommendations are made on how it should be improved.

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  • Report No.: BNL--91311-2010-IR
  • Grant Number: DE-AC02-98CH10886
  • DOI: 10.2172/1013471 | External Link
  • Office of Scientific & Technical Information Report Number: 1013471
  • Archival Resource Key: ark:/67531/metadc840978

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • April 22, 2010

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

Description Last Updated

  • July 21, 2016, 7:07 p.m.

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Cheng, L.Y.; Diamond, D. & Arantxa Cuadra, Gilad Raitses, Arnold Aronson. Trace Assessment for BWR ATWS Analysis, report, April 22, 2010; United States. (digital.library.unt.edu/ark:/67531/metadc840978/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.