Cool thermal discharge obtained by air flowing over melting ice with producing chilled air

This study sets up the mathematical formulations to describe the time history of the air flow rate required and the outlet temperature of chilled air produced during cooling air by melting ice in cool-thermal discharge systems. Energy equations with moving boundary have been derived for estimating the thickness of the ice melted and the required mass flow rate of the ambient air to produce chilled air, and the approximation solution was obtained with coupling the integral boundary layer and heat transfer analyses. Numerical examples are illustrated with three cases of inlet ambient air temperatures of which either specified or varied with time to simulate practical systems, and hence the time history of the air mass velocity and the outlet temperature of chilled air have been also delineated. (C) 2002 Elsevier Science Ltd.