Refrigerator Troubleshooting Diagram

Thermoelectric cooling

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The passage of an electric current through junctions of dissimilar metals causes a fall in temperature at one junction and a rise at the other, the Peltier effect. Improvements in this method of cooling have been made possible in recent years by the production of suitable semiconductors. Applications are limited in size, owing to the high electric currents required, and practical uses are small cooling systems for military, aerospace and laboratory use (Figure 2.13).

Written by sam

April 13th, 2011 at 4:43 am

Posted in Refrigeration

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