充填層内におけるハイドレート生成を伴う液体CO2の流動挙動

概要

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The purpose of the present study is to reveal the influence of CO2 hydrate on the flow of liquid CO2 injected in a packed bed as simulating seabed. In order to reveal the influence of CO2 hydrate, differential pressure and temperature are measured under both condition of CO2 hydrate generation and no-generation. As the result, under the condition of the hydrate generation, differential pressure at the inlet of the packed bed become large compared with that under the condition of no-generation. As a result of estimating the amount of the hydrate, it is suggested that the amount of the hydrate decreased with the increase in the flow rate. Friction factor is also estimated. As the result, in the upstream part of the packed bed, the difference of the friction factor between the hydrate generation and no-generation condition become small with increase of Reynolds number.
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