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논문 기본 정보

자료유형
학술저널
저자정보
유원우 (서울대학교) 채민호 (현대자동차) 박재욱 (삼성중공업) 임영섭 (서울대학교)
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제32권 제2호(통권 제141호)
발행연도
2018.4
수록면
95 - 105 (11page)

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이 논문의 연구 히스토리 (3)

초록· 키워드

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An FLNG (floating liquefied natural gas) or LNG FPSO (floating production, storage and offloading) unit is a notable offshore unit with the increasing demand for LNG. The liquefaction process on an FLNG unit is the most important process because it determines the economic feasibility, but would be a hazard source because of the large quantity of hydrocarbons. While a high efficiency process such as C3MR has been preferred for onshore liquefaction processes, a relatively simple process such as the SMR (single mixed refrigerant) or DMR (dual mixed refrigerant) liquefaction process has been selected for offshore units because they require a more compact size, lighter weight, and higher safety due to their space limitation for facilities and long distance from shore. It is known that an SMR has the advantages of a simple configuration, small footprint, and lower risk. However, with an increased production rate, the inherent safety of SMR needs to be evaluated because of its small train capacity. In this study, the potential explosion risks of the SMR and DMR liquefaction processes were evaluated at the conceptual design stage. The results showed that an SMR has a lower overpressure than a DMR at the same frequency, only with a small production capacity of 0.9 MTPA. With increased capacity, the overpressure of the SMR was higher than that of the DMR. The increased number of trains increased the frequency in spite of the small amount of equipment per train. This showed that the inherent risk of an SMR is not always lower than that of a DMR, and an additional risk management strategy is recommended when an SMR is selected as the concept for an FLNG liquefaction process compared to the DMR liquefaction process.

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ABSTRACT
1. 서론
2. 배경지식-폭발 위험도 분석 방법론
3. 모델링 및 시뮬레이션
4. 결과 및 검토
5. 결론
References

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