Capillary-porous heat exchangers for cooling of melting units
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The model of development of a vapor phase in porous structures of heat exchangers for cooling of melting units on the basis of cinema observations which ex-plains the mechanism of nucleation, development, and death of steam bubbles is created. In case of crisis of heat exchange, there are the limiting conditions of a surface of a porous coating and metal substrate. The process of destroying can come from melting, or from heat stresses of compression and stretching. The reliability of a cooling system of melting units is defined by the combined action of capillary and mass forces. © 2018 Society of Thermal Engineers of Serbia.
Keywords:capillary-porous system / cooling system / caisson / heat exchangers / heat flux
Source:Thermal Science, 2018, 22, Suppl. 5, 1359-1369
ISSN: 0354-9836 (print); 2334-7163 (electronic)