K-1601 衝撃付与による水の過冷却解消効果(J09-1 蓄冷・蓄熱における最新の進展(1))(J09 蓄冷・蓄熱における最新の進展)

概要

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In order to clarify the effects of applying impacts of shock waves on freezing of supercooled water and its mechanisms, various kinds of experiments were carried out. Water samples were kept in a cylinder and cooled down at a certain supercooling state, and an impact was applied to the supercooled water. The degree of supercooling at freezing and the pressure of the shock wave were then measured and the location of nucleation was observed. The intensity and the frequency of the shock wave were determined from the pressure measurement. It was found that impacts of shock waves had enough intensity that induced cavitation of bubbles. Hence it was concluded that the supercooled water froze by cavitation.
一般社団法人日本機械学会の論文
2001-08-22