DIAGNOSTIC TECHNIQUES OF A SMALL-BREAK LOSS-OF-COOLANT ACCIDENT AT A PRESSURIZED WATER REACTOR PLANT.

Akio Gofuku, Hidekazu Yoshikawa, Shunsuke Hayashi, Kenji Shimizu, Jiro Wakabayashi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

A real-time accident tracking calculation technique is investigated for in-depth diagnoses of internal state variables of a pressurized water reactor (PWR) plant in the case of a small-break loss-of-coolant accident (SBLOCA). The technique is composed of two parts: (a) a faster-than-real-time open-system simulator TOKRAC for calculating postaccident thermal-hydraulic behavior in the primary system of a PWR plant, and (b) several real-time state estimators for supplying the unobserved external input to TOKRAC.

Original languageEnglish
Pages (from-to)313-332
Number of pages20
JournalNuclear Technology
Volume81
Issue number3
DOIs
Publication statusPublished - Jan 1 1988
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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