Abstract

The thermoelectricity has not suffered any important progress for the last twenty years, owed mainly to the low efficiency of the heat sinks, because the Peltier pellet provides a high calorific power across a small surface. In this paper a deep study of the fin cooling for Peltier pellets, has been carried out, by means of both an experimental model and also through computational fluid dynamics. A phase change device called thermosyphon has also been designed and optimized, which allows to uniform the heat flow, decreasing in this way the pellet thermal resistance. The work focuses on its hot face and leaves for another study the cold face optimization.

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