Special small-break applications with TRAC. [PWR]

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Input models for the Transient Reactor Analysis Code (TRAC) are described and applications of these models to reactor transients involving small breaks in the primary coolant pressure boundary are demonstrated. The operation of the primary overpressure protection system (relief and safety valves) and the thermal-hydraulic response of the reactor to these transients are obtained from numerical simulations. Also, the effects of steam generator recirculation, steam generator tube rupture, Emergency Core Cooling (ECC) injection and reactivity feedback on the course and consequences of these transients are investigated. These models allow reliable predictions of accident signatures that can help determine the adequacy ... continued below

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Pages: 12

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Dobranich, D.; DeMuth, N.S.; Henninger, R.J. & Burns, R.D. III January 1, 1981.

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Description

Input models for the Transient Reactor Analysis Code (TRAC) are described and applications of these models to reactor transients involving small breaks in the primary coolant pressure boundary are demonstrated. The operation of the primary overpressure protection system (relief and safety valves) and the thermal-hydraulic response of the reactor to these transients are obtained from numerical simulations. Also, the effects of steam generator recirculation, steam generator tube rupture, Emergency Core Cooling (ECC) injection and reactivity feedback on the course and consequences of these transients are investigated. These models allow reliable predictions of accident signatures that can help determine the adequacy of equipment and procedures at nuclear power plants to prevent and to control severe accidents.

Physical Description

Pages: 12

Notes

NTIS, PC A02/MF A01.

Source

  • Conference on small break loss of coolant accident analysis in LWR's, Monterey, CA, USA, 25 Aug 1981

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  • Report No.: LA-UR-81-1519
  • Report No.: CONF-810806-3
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6403910
  • Archival Resource Key: ark:/67531/metadc1205781

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • January 1, 1981

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Oct. 26, 2018, 1:41 p.m.

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Dobranich, D.; DeMuth, N.S.; Henninger, R.J. & Burns, R.D. III. Special small-break applications with TRAC. [PWR], article, January 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1205781/: accessed January 22, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.