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민병수,Min, Byeong-Su 한국정보통신집흥협회 1998 정보화사회 Vol.126 No.-
PC통신용 전화요금 정액제 적용시간의 확대로 국민들의 통신용 전화요금 부담경감 효과는 연간 100억원 이상이 예상되며, 전화명 유휴시간대를 활용함으로써 전화망의 이용효율을 증대시킬 것으로 전망
DFDE LNG 선박의 Pitching Motion 에 따른 안정적인 연료 공급을 위한 Cargo Tank 내부 연료의 Sloshing 해석
엄형식(Um Hyung Sik),권신호(Kwon Shin Ho),민병수(Min Byeong Su) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
One of the main advantages of DFDE (Dual Fuel Diesel Electric) LNG (Liquid Natural Gas) carrier is the ability to consume LNG as fuel for propulsion. Therefore, a fuel pump for transferring LNG fuel to engine should be installed in the cargo tank of DFDE LNG carrier. In special occasion, such as bad weather, the pump could not work because of the sloshing effect of LNG. Therefore, the reliability of the LNG pumping system on the wavy condition of carrier should be investigated. In this study, sloshing analysis of LNG cargo tank was carried out by commercial software, ANSYS CFX. The main variable for the analysis was the gap of the bucket and LNG level. The movement of LNG carrier was calculated by the equation from the ship’s classification society. The results showed that there was a minimum level of LNG in the cargo tank for maintaining LNG fuel pump consistently on the pitching condition.