Application of RELAP5/MOD3.1 code to the LOFT test L3-6

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Description

A calculation of LOFT Experiment L3-6, a small break equivalent to a 4-in diameter rupture in the cold leg of a four-loop commercial pressurized water reactor, has been performed to help validate RELAP5/MOD3.1 for this application. The version of the code to be used is SCDAP/RELAP5/MOD3.1.8d0. Three calculations were carried out in order to study the sensitivity to change break nozzle superheated discharge coefficient. Conducted comparative analysis of the LOFT L3-6 experiment shows on the whole a reasonable agreement between calculated data. Some discrepancies in the system pressure do not distort a picture of the transient. 6 refs.

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64 p.

Creation Information

Pylev, S.S. & Roginskaja, V.L. February 1, 1998.

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Description

A calculation of LOFT Experiment L3-6, a small break equivalent to a 4-in diameter rupture in the cold leg of a four-loop commercial pressurized water reactor, has been performed to help validate RELAP5/MOD3.1 for this application. The version of the code to be used is SCDAP/RELAP5/MOD3.1.8d0. Three calculations were carried out in order to study the sensitivity to change break nozzle superheated discharge coefficient. Conducted comparative analysis of the LOFT L3-6 experiment shows on the whole a reasonable agreement between calculated data. Some discrepancies in the system pressure do not distort a picture of the transient. 6 refs.

Physical Description

64 p.

Notes

INIS; OSTI as TI98002676

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  • Other Information: PBD: Feb 1998

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  • Other: TI98002676
  • Report No.: NUREG/IA--0024
  • DOI: 10.2172/577003 | External Link
  • Office of Scientific & Technical Information Report Number: 577003
  • Archival Resource Key: ark:/67531/metadc697951

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  • February 1, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • April 7, 2016, 7:35 p.m.

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Pylev, S.S. & Roginskaja, V.L. Application of RELAP5/MOD3.1 code to the LOFT test L3-6, report, February 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc697951/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.