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논문 기본 정보

자료유형
학위논문
저자정보

주윤재 (국민대학교, 國民大學校 大學院)

지도교수
李羲俊
발행연도
2013
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국민대학교 논문은 저작권에 의해 보호받습니다.

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이 논문의 연구 히스토리 (2)

2013

이차피동냉각시스템의 열교환기 설계를 위한 응축열전달 상관식 연구
주윤재 ,  강한옥 ,  이태호 외 2명 대한기계학회 논문집 B권 2013.12 학술저널
이차 피동 냉각 시스템 열교환기 설계를 위한 응축 열전달 연구
주윤재 機械工學科 2013.01 학위논문

초록· 키워드

오류제보하기
원자력발전에 있어서 가장 큰 문제가 되는 것은 원자로 사고가 발생했을 때의 방사능 유출이다. 이와 같은 문제가 일어났을 때 신속하고 안전하게 원자로 가동을 중지시켜 방사능 유출을 막아야 하며, 이에 대한 피해를 최소화 시켜야 한다.

이를 위해서는 효율적으로 핵연료봉에 쌓인 붕괴열을 냉각시켜야 하며, 사람이 직접 작동을 시키지 않아도 위급한 상황에서 자동으로 원자로 가동을 중단시킬 수 있는 시스템 설계가 필요하다.

본 논문에서는 한국원자력연구원에서 개발한 열적크기산정 프로그램인 TSCON(Thermal Sizing of Condenser)을 이용해, 이차 피동 냉각 시스템 응축열교환기를 설계하기 위한 연구를 진행하였다. 이러한 TSCON 프로그램을 검증하기 위하여, 현존하는 응축열전달상관식과 전열관을 냉각시켜 전열관 내부에서 응축되는 실험을 수행한 총 7개의 실험데이터를 비교하였다.

이차 피동 냉각 시스템에 가장 적합한 응축열전달상관식을 분석하고, 이를 원자로 시스템에 적용하여, 보다 안전하고 효율적인 응축열교환기를 설계하고자 하는 바이다.

목차

目 次
목 차 ⅰ
국문요약 ⅲ
List of figures and tables ⅴ
Nomenclature ⅷ
Ⅰ. 서론 ······················································································1
1. 연구배경 ··············································································1
2. 연구과정 ··············································································3
Ⅱ. 열적크기산정 프로그램 (TSCON)············································4
1. TSCON (Theramal Sizong of CONdenser)···························4
1.1 TSCON 개요 ···············································································4
1.2 TSCON 프로그램을 위해 필요한 지배방정식 ······················6
Ⅲ. 응축열전달 상관식 ··································································8
1. 선행연구 ·····················································································8
2. TSCON에 적용된 응축 열전달 상관식··································10
2.1 Akers(1959) ···········································································10
2.2 Soliman(1968) ·······································································11
2.3 Traviss(1973) ········································································12
2.4 Shah(1979) ············································································13
2.5 Blangetti(1982) ······································································15
2.6 Kim(2000) ···············································································17
2.7 Shah(2009) ············································································18
Ⅳ. 실험 데이터 ··············································································20
1. 과냉 물수조 조건에서의 실험데이터······································22
1.1 Kim ···················································································22
2. 포화 물수조 조건에서의 실험데이터 ·····································23
2.1 Kim ·····················································································23
2.2 Henderson ········································································24
3. 강제대류 조건에서의 실험데이터 ··········································27
3.1 Lee''s ·················································································27
3.2 Khun (Laminar) ······························································28
3.3 Khun (Turbulent)··················································29
3.4 Goodyknootz ···································································30
4. 평균절대오차 (MAE), 평균비율(MR)····································32
Ⅴ. 비교 검증 및 결과 ·································································33
1. 과냉 물수조에 잠긴 실험 데이터와 TSCON 검증 비교결과 ·································································································33
2. 포화 물수조에 잠긴 실험 데이터와 TSCON 검증 비교 결과(Kim & Henderson) ····························································38
3. 강제 대류 조건에서의 실험 데이터와 TSCON 검증 비교 결과 ····42
3.1 Lee''s 실험 데이터와 TSCON 검증 비교···························42
3.2 Khun(Laminar) 실험 데이터와 TSCON 검증 비교 ··············47
3.3 Khun(Turbulent) 실험 데이터와 TSCON 검증 비교 ···········51
3.4 Goodyknootz 실험 데이터와 TSCON 검증 비교 ················55
Ⅵ. 결론 ·································································

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