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SR27 Transferência de Calor e Massa |
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Title:
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ANALYSIS OF THE MELTING PROCESS IN PRESENCE OF NATURAL CONVECTION AND DENSITY MAXIMUM
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Summary :
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ABSTRACT. THIS WORK PRESENTS A NUMERICAL ANALYSIS OF THE MELTING PROCESS, IN PRESENCE OF NATURAL CONVECTION AND DENSITY MAXIMUM, OF A VERTICAL ICE LAYER INSIDE A RECTANGULAR CAVITY WHOSE TWO OPPOSING VERTICAL WALLS ARE DIFFERENTIALLY HEATED AND KEPT ISOTHERMAL. THE HORIZONTAL TEMPERATURE GRADIENTS DRIVE THE FLUID MOTION. THE RESULTS SHOW THAT THE NON-LINEAR DENSITY VARIATION IN THE BUOYANCY TERM OF THE MOMENTUM CONSERVATION EQUATION AFFECTS THE INTERFACE MOTION, THE FLOW STRUCTURE AND THE HEAT TRANSFER BY NATURAL CONVECTION.
KEY-WORDS: MELTING, DENSITY MAXIMUM, NATURAL CONVECTION, PHASE-CHANGE
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Author :
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Braga, Sérgio Leal
Gobin, Dominique 0
Vieira, Gisele M. R.
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Paper View :
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