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논문 기본 정보

자료유형
학술저널
저자정보
Chang, Daejun (Division of Ocean Systems Engineering, Korea Advanced Institute of Science and Technology) Han, Sang Heon (Division of Ocean Systems Engineering, Korea Advanced Institute of Science and Technology) Yang, Kyung-Won (Det Norske Veritas Korea)
저널정보
테크노프레스 Ocean systems engineering Ocean systems engineering 제2권 제1호
발행연도
2012.1
수록면
17 - 31 (15page)

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This study investigated the behavior of a non-isothermal $CO_2$ bubble formed through a leak process from a high-pressure source in a deep sea. Isenthalpic interpretation was employed to predict the state of the bubble just after the leak. Three modes of mass loss from the rising bubble were demonstrated: dissolution induced by mass transfer, condensation by heat transfer and phase separation by pressure decrease. A graphical interpretation of the last mode was provided in the pressure-enthalpy diagram. A threshold pressure (17.12 bar) was identified below which the last mode was no longer present. The second mode was as effective as the first for a bubble formed in deep water, leading to faster mass loss. To the contrary, only the first mode was active for a bubble formed in a shallow region. The third mode was insignificant for all cases.

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