Parametric study of heat transfer to an ice cylinder melting in air

William S. Janna and Gerald S. Jakubowski

Applied Energy, 1990, vol. 36, issue 3, 233-250

Abstract: A cylinder of ice was formed and suspended by a string from the end of a cantilevered beam. The beam had strain gages attached that were calibrated so that the weight of the ice cylinder was known during the time that it melted. Data on weight versus time were thus obtained and used to calculate values of Nusselt and Rayleigh Numbers over discrete intervals of time. The geometry of the ice cylinder precluded an exact determination of surface area and characteristic length for the time interval of interest. Consequently, three proposed expressions for characteristic length were tried and the one that yielded the highest correlation between Nusselt and Rayleigh numbers was selected as giving the best description. An equation was derived for each case.

Date: 1990
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