Abstract
The main objective of this work is to enhance the performance of thermoelectric refrigerators by developing an effective heat rejection method for the hot side of thermoelectric modules. Single fan, double fan and natural chimney draft heat rejection alternatives have been tested. The minimum temperature reached is −3°C. The temperature difference between the hot side and the cold side is 26°C for natural cooling, 22°C for the single fan and 14°C for the two fan systems. It has been concluded that, if we use a long chimney, the performance of the refrigerator may be improved, and the fan current is used for cooling instead of wasting its power for heat rejection fans.
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