Melting of horizontal ice layer from above by combined effect of temperature and concentration of aqua-solvent |
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| Authors: | M. Sugawara H. Inaba H. Nishimura M. Mizuno |
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| Affiliation: | (1) Akita University, 010 Akita, Japan;(2) Dept. of Mechanical Engineering, Kitami Institute of Technology, 090 Kitami, Japan |
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| Abstract: | This paper is concerned with the melting of horizontal ice layer from above by aqua-solvent with low solidification point. The solute used in this experiment are Sodium chloride NaCl, Calcium chloride CaCl2, Magnesium chloride MgCl2, and Urea CO(NH2)2- The upper surface of aqua-solvent melt layer is heated by an infrared lamp, whose temperature is in the range of about 8 ?C to 40 ?C. The ice layer located under the aqua-solvent melt layer melts greatly by a combined effect of both thermal energy and chemical reaction, and the typical temperature distribution in both aqua-solvent and ice layer is examined. The relation between melt amount of ice layer per unit temperature gradient and mean concentration in aqua-solvent melt layer was obtained. |
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