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International Journal of Heat and Mass Transfer, Vol.43, No.3, 333-339, 2000
Crystal ice formation of solution and its removal phenomena at cooled horizontal solid surface - Part I: ice removal phenomena
Experimental studies for the freezing phenomenon of ethylene glycol solution on a cooled plate have been performed. A polyvinyl chloride as well as an acrylic resin is used as a cooled plate. It is found that the crystal ice formed on the cooled plate is removed from the plate surface due to the buoyancy force acting on the crystal ice. This means that ice formation on a cooled plate without a deposited ice layer is possible by the present method. It is shown that the cooled plate surface is supercooled about 1.0 degrees C below the freezing temperature of the solution during the crystal ice formation and its removal phenomena. The degree of supercooled temperature is unaffected by the cooling temperature of the plate. For higher solute concentrations, it is found that the number of the removed crystal ice per unit of time is increased and the volume of each removed ice is decreased.