Gas Hydrate Cold Storage Using Direct-Contact Heat Transfer of Liquid-Vapor Phase Change and Natural Circulation of Refrigerant in Closed Vessel

概要

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The proposed cold storage method using heat transfers of direct-contact liquid-vapor phase change between the heat transfer medium and water in a closed vessel, whose effectiveness for a small-size vessel was confirmed in the previous report, was adopted and expanded for the actual size of a storage vessel. HCFC142b and water or water solution of a surface active agent were used as the heat transfer medium and cold storage material, respectively. The chemical reaction (hydration) heat of the HCFC142b and water was utilized. As a result, it was confirmed by the experiment using large-scale apparatus that efficient cold storage and release was achieved. In particular, for the water solution of a surface active agent, a high solid packing factor and high rate of cold storage were maintained even for the thickest storage material layer.
一般社団法人日本機械学会の論文
1993-02-15