대형 LNG선 주냉각기 해수라인의 부압현상 해석에 관한 연구

김창복; 사공운곤; 김종규; 김충식; 송영호; 최순호

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자료유형: 학술저널

저자정보: 김창복 사공운곤 김종규 김충식 송영호 최순호

저널정보: 한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제32권 제6호

발행연도: 2008.9

수록면: 893 - 900 (8page)

이용수

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연구주제

📖

연구배경

🔬

연구방법

🏆

연구결과

초록· 키워드

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The heat exchangers in the ships have been changed from the conventional shell & tube type to the plate type due to some merits as a compactness, a high thermal efficiency and a light-weight. In recent, it is reported that the vacuum phenomena were occurred in the seawater outlet piping of a main central cooler (MCC) on the ships. From the viewpoints of a common sense, the vacuum pressure in the seawater piping is rare event and difficult to be convinced because the seawater is pumped into the piping by a seawater pump with a high discharge head. However, the occurrence of a vacuum pressure in the seawater line of an MCC is real situation and often gives a severe damage to a rubber gasket of an MCC with a plate type heat transfer area. In this study, we analyzed the vacuum pressure in the seawater line of an MCC by using the simpl Bernoulli's equation and found that the vacuum pressure in the seawater line of an MCC is inevitable untill the installation postion of an MCC is not lowered.

#Gasket damage(가스켓파손) #Main central cooler(주냉각기) #Negative pressure(부압) #Plate type heat exchanger(판형열교환기)

참고문헌 (6)

참고문헌 신청

1. [학술지(정기간행물)] - J. Marriott / 1971 / Where and How to Use Plate Heat Exchanger / Chemical Engineering 78 (8) : 127 ~ 134

2. [학술지(정기간행물)] - B. W. Jackson / 1964 / Laminar Flow in a Plate Heat Exchanger / Chemical Engineering Progress 60 (7) : 62 ~ 65

3. [학술지(정기간행물)] - Zahid H. Ayub / 2003 / Plate Heat Exchanger Literature Survey and New Heat Transfer and Pressure Drop Correlations for Refrigerant Evaporators / Heat Transfer Engineering 24 (5) : 3 ~ 16

4. [단행본] - R. K. Shah / 2003 / Funda- mentals of Heat Exchanger Design / John Wiley & Sons Inc.

5. [단행본] - 민의동 / 1995 / 열교환기 이론과 설계 / 화학공업조사회

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