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APPLICATION OF SEVERE ACCIDENT MANAGEMENT GUIDANCE IN THE MANAGEMENT OF AN SGTR ACCIDENT AT THE WOLSONG PLANTS

  • Published : 2009.02.28

Abstract

A steam generator tube rupture (SGTR) accident, which is a partial reactor building bypass scenario, has a low probability and high consequences. SAMG has been used to manage the progression of severe accidents and the release of fission products induced by an SGTR at the Wolsong plants. Four of the six SAGs in the SAMG are used to manage the progression of a severe accident induced by an SGTR at the Wolsong plants. The results of the ISAAC code calculation have shown that the proper use the SAMG can stop a severe accident from progressing and keep the reactor building intact during a severe accident. These results confirm that the SAMG is an effective means of managing the progression of severe accidents initiated by an SGTR at the Wolsong plants.

References

  1. “Probabilistic safety Assessment for Wolsong Units 2,3,4,” Korea Hydro & Nuclear Co., Ltd, 2007
  2. “ISSAC Computer Code User’s Manual,” KAERI/TR- 3645/2008, 2008
  3. “Severe Accident Management Guidance for Pressurized Heavy Water Reactors,” KAERI/TR-3284/2006, 2006

Cited by

  1. A Conceptual Approach to Eliminate Bypass Release of Fission Products by In-Containment Relief Valve under SGTR Accident vol.2018, pp.1687-6083, 2018, https://doi.org/10.1155/2018/5936214