A Study on the Heat Transfer of Latent Heat Thermal Energy Storage : 4th Report. Thermal Characteristics of Vertical Type Capsule in Storage Process

概要

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Concerning a vertical type latent heat TES (thermal energy storage) capsule having the vertical axis, experiments and analyses were performed to discuss the heat transfer mechanisms in the heat storage process. The time dependency of the local heat flux across the capsule wall was measured and the natural convection flow within the capsule was observed, varying the height of the phase change material (PCM). The finite difference analyses considering the natural convection flow were also done. As the result, it was shown that the rate of the heat storage increased with a decreasing capsule height, because the melted liquid PCM with high temperature stagnated in the upper part of the capsule by stratification.
一般社団法人日本機械学会の論文