A Method of Efficient Ice Cool Energy Storage Using Heat Transfer of Direct Contact Phase Change Between Working Medium and PCM in an Enclosure

概要

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The objectives of this report are to propose a new method of high performance cool energy storage using ice as a phase change material and to clarify its basic heat transfer characteristics. A working medium vapor layer, a water layer and a working medium liquid layer stratified in this order from the top were kept in an enclosure composed of a condenser, an evaporator and a condensate receiver-and-return tube. Direct contact heat transfers between either water or ice and a working medium in an enclosure was used to achieve high performance cool energy storage and release. In the storage and release processes, water changes phase between liquid and solid, and the working medium circulated naturally with phase changes between vapor and liquid. Experimental apparatus was arranged and R 12 and R 114 were selected as working media. Efficient formation and melting of ice were confirmed by the experiment.
一般社団法人日本機械学会の論文
1989-08-15