Observatorio de I+D+i UPM

Memorias de investigación
Artículos en revistas:
risk reduction due to modification of normal residual heat removal system of AP1000 reactor to meet European Utility Requirements
Año:2016
Áreas de investigación
  • Ingenierías
Datos
Descripción
As part of AP1000® design adaptation to European Utility Requirements, Westinghouse has carried out several modifications of the standard AP1000 design. One of these modifications has been the physical separation of the normal residual heat removal system (RNS) into two independent trains which improves the plant defense in depth. The AP1000 Probabilistic Risk Assessment, assumes in the standard design that in the event of direct vessel injection line break (DVILB) the RNS cannot inject efficiently, and therefore it is necessary to depressurize the Reactor Coolant System until atmospheric conditions in order to allow injection through the IRWST and to achieve safe conditions. This work presents the analysis performed for DVILB event tree taking into account the RNS modification and the effectiveness of RNS injection. With this purpose, different possibilities of DVILB event tree have been simulated with TRACE V5.0 patch 2 thermal?hydraulic code. The results show that some sequences that were classified as damage with the standard RNS design became success with the consideration of RNS improvement and therefore the contribution of DVILB to the total core damage frequency can be minimized.
Internacional
Si
JCR del ISI
Si
Título de la revista
Annals of Nuclear Energy
ISSN
0306-4549
Factor de impacto JCR
1,02
Información de impacto
Datos JCR del año 2013
Volumen
91
DOI
Número de revista
Desde la página
65
Hasta la página
78
Mes
MAYO
Ranking
Esta actividad pertenece a memorias de investigación
Participantes
  • Autor: Jose Cesar Queral Salazar (UPM)
  • Autor: Francisco Javier Montero Mayorga (UPM)
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Grupo de Investigación: Ciencia y Tecnología de sistemas avanzados de fisión nuclear
  • Departamento: Energía y Combustibles
S2i 2021 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)