Abstract
An experimental study has been performed to determine the melting heat transfer characteristics of slush ice in a horizontal cylindrical capsule. Slush ice, which is a mixture of fine ice particles and ethylene-glycol aqueous solution adopted as the testing material, was heated by the cylindrical capsule wall. The shape of the mush-ice interface, melting rate, temperature distribution, and local/average heat transfer coefficient at the heated wall were extensively observed and determined under a variety of conditions of heat flux and initial concentration of the aqueous binary solution. The results revealed that the melting heat transfer of slush ice is markedly effected by free convection in the double-diffusive layers owing to the thermal and solutal buoyancy forces.
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