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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제44권 제4호
- 발행연도
- 2020.8
- 수록면
- 288 - 297 (10page)
- DOI
- 10.5916/jamet.2020.44.4.288
이용수
초록· 키워드
오류제보하기
In this numerical study, the hairpin type shell and tube heat exchanger is analyzed for heating the cryogenic liquefied natural gas (LNG). The cryogenic LNG is passed through the tube side and is heated by the hot water on the shell side of the hairpin heat exchanger. In order to increase the performance of the heat exchanger, maximum heat needs to be extracted from the hot water and transferred to the LNG stream. Thus, different arrangement of shell and tube sides of the hairpin heat exchanger are used to study the pressure drop in the hot water and to increase the temperature of the LNG. The effects of horizontal and vertical baffles orientation, staggered and aligned tube bank arrangements, baffles number (6, 8, 10 and 12), and baffles cut percentages were used to analyze the pressure drop and temperature difference in the exchanger. The results show that the pressure drop is decreased and the tube outlet temperature is increased in the heat exchanger for the percentage of baffle cut changes from 22.5% to 37.5%. Also, increasing the number of baffles increases both the temperature and pressure drop in the hairpin heat exchanger. Furthermore, comparing horizontal and vertical baffle orientation, pressure drop is always lower and LNG outlet temperature is always higher in the horizontal baffle orientation for both tube bank arrangement systems. However, in the horizontal baffle orientation the pressure drop for staggered tube bank arrangement is smaller than that of aligned tube bank arrangement, but the temperature of aligned tube bank is higher compared to the staggered tube bank arrangement.
목차
Abstract
1. Introduction
2. Numerical Analysis
3. Results and Discussion
4. Conclusion
References
참고문헌 (15)
참고문헌 신청
C. Dispenza / 2009 / Exergy recovery during LNG regasification : Electric en-ergy production-part one & two / Applied Thermal Engi-neering 29(2-3):380~399
M. Mehrpooya / 2015 / Optimum design and exergy analysis of a novel cryogenic air separation process with LNG(liquefied natural gas)cold energy utilization / Energy 90(part 2):2047~2069
V. L. Rocca / 2010 / Cold recovery during regasification of LNG part one : Cold utilization far from the regasification facili-ty / Energy 35(5):2049~2058
W. Cao / 2015 / Theoretical ap-proach of freeze seawater desalination on flake ice maker utilizing LNG cold energy / Desalination 355:22~32
R. K. Shah / 2003 / Fundamentals of Heat Ex-changer Design / John Wiley & Sons, Inc
M. Mehrpooya / 2015 / Optimum design and exergy analysis of a novel cryogenic air separation process with LNG(liquefied natural gas)cold energy utilization / Energy 90(part 2):2047~2069
V. L. Rocca / 2010 / Cold recovery during regasification of LNG part one : Cold utilization far from the regasification facili-ty / Energy 35(5):2049~2058
W. Cao / 2015 / Theoretical ap-proach of freeze seawater desalination on flake ice maker utilizing LNG cold energy / Desalination 355:22~32
R. K. Shah / 2003 / Fundamentals of Heat Ex-changer Design / John Wiley & Sons, Inc
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