Abstract
AbstractThis paper presents the experimental results of the heat transfer coefficient of ice slurry in the distribution phase in order to conserve fish and shellfish where the ideal temperature oscillates between 0 °C and 2 °C. The required energy power absorbed during the exchange between the ice slurry and the air is assimilated to the transport capacity (in kW of cooling at full melt off). The secondary fluid was prepared by mixing monopropylene glycol, MPG, and water to obtain an initial concentration varying from 5 to 24% (the initially freezing temperature varying from − 1.84 °C to – 9.39 °C). The heat transfer coefficients for ice slurry in laminar flow conditions increased with velocity and ice concentration but decreased with increasing MPG concentration, according to the results. The heat transfer coefficients for ice slurry in laminar flow conditions increased with velocity and ice concentration but decreased with increasing MPG concentration, according to the results. The heat transfer coefficients of ice slurry are of the order of 7000 W.m−2.K−1.Moreover, the rheological behavior of the ice slurry greatly influenced the results under certain conditions. A new average Nusselt correlation was proposed that accurately predicts the superficial heat transfer coefficients of laminar flow of ice slurry through the horizontal pipe.
Publisher
Springer Science and Business Media LLC
Subject
Fluid Flow and Transfer Processes,Renewable Energy, Sustainability and the Environment,Control and Systems Engineering
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