GDH pipe break transient analysis of the RBMK - 1500.

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Presented in this paper is the transient analysis of a Group Distribution Header (GDH) following a guillotine break at the end of the header. The GDH is the most important component of reactor safety in case of accidents. Emergency Core Cooling System (ECCS) piping is connected to the GDH piping such that, during an accident, coolant passes from the GDH into the ECCS. The GDH that is propelled into motion after a guillotine break can impact neighboring GDH pipes or the nearest wall of the compartment. The cases of GDH impact on an adjacent GDH and its attached piping are ... continued below

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10 pages

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Kulak , R.; Marcherta, A. & Dundulis, G. May 15, 2002.

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Description

Presented in this paper is the transient analysis of a Group Distribution Header (GDH) following a guillotine break at the end of the header. The GDH is the most important component of reactor safety in case of accidents. Emergency Core Cooling System (ECCS) piping is connected to the GDH piping such that, during an accident, coolant passes from the GDH into the ECCS. The GDH that is propelled into motion after a guillotine break can impact neighboring GDH pipes or the nearest wall of the compartment. The cases of GDH impact on an adjacent GDH and its attached piping are investigated in this paper. A whipping RBMK-1500 GDH along with neighboring concrete walls and pipelines is modeled using finite elements. The finite element code NEPTUNE used in this study enables a dynamic pipe whip structural analysis that accommodates large displacements and nonlinear material characteristics. The results of the study indicate that a whipping GDH pipe would not significantly damage adjacent walls or piping and would not result in a propagation of pipe failures.

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10 pages

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  • 7th International Conference on Material Issues in Design Manufacturing and Operations of Nuclear Power Plants Equipment, St. Petersburg (RU), 06/17/2002--06/21/2002

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  • Report No.: ANL/RAE/CP-107664
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 795833
  • Archival Resource Key: ark:/67531/metadc734532

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  • May 15, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 30, 2016, 12:44 p.m.

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Kulak , R.; Marcherta, A. & Dundulis, G. GDH pipe break transient analysis of the RBMK - 1500., article, May 15, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc734532/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.