G060071 潜熱蓄熱材の過冷却に及ぼす諸因子の影響([G06007]熱工学部門一般セッション(7):蓄熱,および空調)
詳細
In this paper, degree of supercooling of promising phase change material (erythritol) in a glass tube was investigated for the volume from 0.0040 to 15 cm3 and the contact area from 0.40 to 27 cm2. The melting point of erythritol is 118 ℃ and the latent heat is 340 J/g. The volume of erythritol is varied using different diameters of the glass tube from 0.40 to 27 mm. In the experiment, the melted erythritol in the glass tube was cooled from 150 ℃ to 30 ℃ at cooling rate of 0.5 ℃/min. As a result, the degree of supercooling was largely depended on the volume of erythritol and significantly increased with the decrease of the volume of erythritol.
