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http://dx.doi.org/10.5762/KAIS.2013.14.2.578

Ice-slurry Generation of Ice Thermal Energy Storage System using Ultrasonic Vibration  

Byon, Sung-Kwang (School of Mechanical Engineering, Dongyang Mirae University)
Gong, Chun-Su (Sunwooeng Co., LTD.)
Kim, Nam Woong (School of Mechanical Engineering, Dongyang Mirae University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.14, no.2, 2013 , pp. 578-584 More about this Journal
Abstract
Ice slurry that is a mixture of fine ice crystals and liquid water is a widely used working fluid in the ice thermal energy storage system due to its flowability and large latent heat of fusion. Generally ice slurry is made from supercooled water. But the excessive supercooling causes the water to freeze even worse to block the pipe. Additionally large degree of supercooling of water degrades the efficiency of the ice thermal energy storage system. Therefore the effective method to control the phase change from supercooled water to ice slurry is needed. In this paper we experimentally studied a novel method to generate the ice slurry from the supercooled water using the ultrasonic vibration. It was found that the cavitation impact of supercooled water by ultrasonic vibration can help the generation of ice slurry.
Keywords
Ice slurry; Ice thermal energy storage system; Supercooling; Utrasonic vibration; Cavitation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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