C132 乖離温度近傍におけるCO_2ハイドレートの挙動に関する研究(クラスレートハイドレート3)

概要

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The technology of the deep-ocean CO_2 storage is expected to directly mitigate the source of the global warming. At deep-ocean condition above 4.45MPa and below 283K, the CO_2 clathrate hydrate crystals are formed as membrane at the interface between the liquid-water and the liquid-CO_2. In the previous study, high peak in the strength of the hydrate membrane is observed just below the dissociation temperature. But for lack of the membrane thickness data in a variety of parameter conditions, there is no experimental information about the mechanism of this high peak of the strength. In the present study, the measurements of the membrane thickness are conducted by using the laser-light interference method. The hydrate membrane thickness is estimated to be about 7μm〜11μm at 10MPa and 3℃〜10℃.
社団法人日本機械学会の論文
2006-11-23