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In the present work, the scale effect on the Boil-Off Rate (BOR) was investigated based on an analytical method to systematically evaluate the thermal performance of a Liquefied Natural Gas (LNG) Cargo Containment System (CCS). A two-dimensional thermal resistance network model was developed to accurately estimate the heat ingress into the CCS from the outside. The analysis was performed for the KC-1 LNG membrane tank under the IGC and USCG design conditions. The ballast compartment of both the LNG tank and cofferdam was divided into six sections and a thermal resistance network model was made for each section. To check the validity of the developed model, the analysis results were compared with those from existing literature. It was shown that the BOR values under the IGC and USCG design conditions were agreed well with previous numerical results with a maximum error of 1.03% and 0.60%, respectively. A SDR, the scale factor of the LNG CCS was introduced and the BOR, air temperature of the ballast compartment, and the surface temperature of the inner hull were obtained to examine the influence of the SDR on the thermal performance. Finally, a correlation for the BOR was proposed, which could be expressed as a simple formula inversely proportional to the SDR. The proposed correlation could be utilized for predicting the BOR of a full-scale LNG tank based on the BOR measurement data of lab-scale model tanks.

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기사명 저자명 페이지 원문 목차
독립형 LNG 화물창의 공학적 결함 평가 = Engineering critical assessement for an independent type-B LNG cargo tank 서재훈, 박규식, 차인환, 정준모 p. 213-221

열저항 네트워크 모델을 이용한 LNG 화물창 Scale Effect 분석 = Scale effect analysis of LNG cargo containment system using a thermal resistance network model 유화롱, 김태훈, 김창현, 김민창, 김명배, 한용식, 듀이, 정경열, 최병일, 도규형 p. 222-230

프로펠러 설계 및 선미 부가물 수정에 따른 캐비테이션 초기발생 선속(CIS) 성능 향상 연구 = Study of the Cavitation Inception Speed (CIS) improvement through the propeller design and the stern appendage modification 안종우, 김건도, 백부근, 박영하, 설한신 p. 231-239

받음각을 갖는 3차원 캐비테이터에서 발생하는 비축대칭 초공동 유동해석 = Numerical analysis of non-axisymmetric supercavitating flow around a three-dimensional cavitator with an angle of attack 황대규, 안병권 p. 240-247

다중 선박의 상태추정을 위한 Multiple PDAF 알고리즘 = Multiple PDAF algorithm for estimation states multiple of the ships 최재하, 박정홍, 강민주, 김혜진, 윤원근 p. 248-255

수중함 자유항주모형 개발 및 기본 성능 분석 = Submarine free running model development and basic performance analysis 이주호, 김선홍, 신지환, 안진형 p. 256-265

다방향 불규칙파에 대한 조파 기법 및 방향 스펙트럼 추정 연구 = Study on wave generation technique and estimation of directional wave spectra for multi-directional irregular waves 오승훈, 정성준, 황성철, 김은수, 성홍근 p. 266-277

53ft 액화천연가스 탱크 컨테이너의 정적 구조 강도 평가에 관한 연구 = A study on the static structural strength evaluation of 53ft liquefied natural gas tank container 심천식, 김호경, 정다슬, 이덕연, 김강호, 김민석, 위성국, 노희창, 권영빈, 홍창석, 김병화, 김청학 p. 278-287

동역학 시뮬레이션을 이용한 함재기 견인차량의 주행특성 분석 기법에 관한 연구 = A study on analytical method of driving characteristics of carrier aircraft towing vehicles using dynamic simulation 오재원, 홍사영, 홍섭 p. 288-295

참고문헌 (16건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 Churchill, S.W. and Chu, H.H., 1975. Correlating equations for laminar and turbulent free convection from a vertical plate. International Journal of Heat and Mass Transfer, 18(11), pp.1323-1329. 미소장
2 Colburn, A.P., 1964. A method of correlating forced convection heat-transfer data and a comparison with fluid friction. International Journal of Heat and Mass Transfer, 7(12), pp.1359-1384. 미소장
3 International Gas Union (IGU), 2022. World LNG Report 2022, International Gas Union. 미소장
4 International Maritime Organization (IMO), 2014. The International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk. London: International Maritime Organization. 미소장
5 Heo, J.U., Lee, Y.J., Cho, J.R., Ha, M.K. and Lee, J.N., 2003. Heat transfer analysis and BOG estimation of membrane-type LNG cargo during laden voyage. Transactions of the Korean Society of Mechanical Engineers A, 27(3), pp.393-400. 미소장
6 Jeong, H., Kim, T., Kim, S. and Shim, W.J., 2017. Thermal analysis of insulation system for KC-1membrane LNG tank. Journal of Ocean Engineering and Technology, 31(2), pp.91-102. 미소장
7 Jeong, H. and Shim, W.J., 2017. Calculation of Boil-off Gas (BOG) generation of KC-1 membrane LNG tank with high density rigid polyurethane foam by numerical analysis. Polish Maritime Research, 24(1), pp.100-114. 미소장
8 Jin, K.K., Oh, B.T., Kim, Y.K., Yoon, I.S. and Yang, Y.C., 2013. An assessment of Structure Safety for Basic Insulation Panel of KC-1 LNG Cargo Containment System under Sloshing Load. Journal of the Korean Institute of Gas, 17(2), pp.85-89. 미소장
9 Lee, J.H., Kim, K.K., Ro, S.T., Chung, H.S. and Kim, S.G., 2003. A study on the thermal analysis of spray cooling for the membrane type LNGC during the cool-down period. Transactions of the Korean Society of Mechanical Engineers B, 27(1), pp.125-134. 미소장
10 Martynenko, O.G. and Khramtsov, P.P., 2005. Freeconvective heat transfer: with many photographs of flows and heat exchange. Springer Science and Business Media. 미소장
11 McAdams, W.H., 1954. Heat transfer. McGraw-Hill, New York, 1(51), pp.3. 미소장
12 Miana, M., Legorburo, R., Díez, D. and Hwang, Y.H., 2016. Calculation of boil-off rate of liquefied natural gas in mark III tanks of ship carriers by numerical analysis. Applied Thermal Engineering, 93, pp.279-296. 미소장
13 Qu, Y., Noba, I., Xu, X., Privat, R. and Jaubert, J. N., 2019. A thermal and thermodynamic code for the computation of boil-off gas–industrial applications of LNG carrier. Cryogenics, 99, pp.105-113. 미소장
14 Sharqawy, M.H., Lienhard, J.H. and Zubair, S.M., 2010. Thermophysical properties of seawater: a review of existing correlations and data. Desalination and Water Treatment, 16(1-3), pp.354-380. 미소장
15 Song, S.O., Lee, J.H., Jun, H.P., Sung, B.Y., Kim, K.K. and Kim, S.G., 1999. A study on the three-dimensional steady state temperature distributions and BOR calculation program deveolpment for the membrane type LNG carrier. Journal of Korean Society of Marine Engineering, 23(2), pp.140-149. 미소장
16 United States Coast-Guard (USCG), 1970. Hazard of LNG spillage in marine transportation. Final Report Supporting Investigation: MIPR No. Z-700099-9-92317, Department of Transportation, U.S. Coast Guard Hazardous Materials Division. 미소장

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