D209 分散多孔質金属媒体系内におけるパラフインの融解過程に関する実験的研究(オーガナイズドセッション14 : 固・液相変化を伴う熱・物質移動及び流動の基礎と応用)

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In this paper the effect of porous metal plate-type-fin on the melting process of latent heat storage is studied fundamentally. Experiments using paraffin wax with the melting point of some 40℃ are conducted under the uniform heat flux condition for three kinds of heat storage systems (the system without any fins and the systems with vertical fin arrays and a single vertical fin). From the experiments, the melting pattern and the transient temperature change for each system are clarified. Further, natural convection flow in the system during the melting process is visualized using the photochromic technique. The visualization of the temperature field near the heat source wall is also tried using the shadowgraph technique.
2001-11-03