목차

1. 서 론
1.1 연구배경 ·················································································································· 1
1.2 연구목표 ······················································································································ 1
2. 최적평가 방법 및 초기조건 가정
2.1 시뮬레이션 방법 ········································································································ 3
2.2 초기조건 가정 ············································································································ 4
2.3 붕소희석 영향 인자 선정 ························································································ 5
2.4 운전원 조치사항 ········································································································ 6
2.5 정지여유도 평가 방법 ······························································································ 8
3. 증기발생기 세관파단사고 시뮬레이션 진행
3.1 증기발생기 세관파단사고 전개 ············································································ 10
3.2 주요 운전변수 변화 ································································································ 11
4. 붕소농도 변화 및 정지여유도 평가
4.1 주기 초 역유입 운전 시 붕소희석 평가 ···························································· 22
4.2 주기 말 역유입 운전 시 붕소희석 평가 ···························································· 26
4.3 붕소주입운전 영향 평가 ························································································ 31
4.4 냉각률에 의한 영향 평가 ······················································································ 34
4.5 낮은 냉각률에서 붕소주입운전 영향 평가 ························································ 41
5. 결 론 ··································································································································· 46
참고문헌 ····································································································································· 47
Abstract ····································································································································· 48