To Study The Time-Temperature Performance of Thermoelectric Refrigeration Using the Peltier Effect

Thermoelectric cooling uses the Peltier effect to create a heat flux between the junctions of two different types of materials. This effect is commonly used in camping and portable coolers and for cooling electronic components and small instruments. Applying a DC voltage difference across the thermoelectric module, an electric current will pass through the module and heat will be absorbed from one side and released at the opposite side. One module face, therefore, will be cooled while the opposite face simultaneously is heated. On the other hand, maintaining a temperature difference between the two junctions of the module, a voltage difference will be generated across the module and an electrical power is delivered. The main objective of this study is to design and fabrication on “portable thermoelectric refrigerator” for the people (e.g. deserts) living in remote areas where electricity is still not available. The refrigerator could be used to store perishable items and facilitate the transportation of medications as well as biological material that must be stored at low temperature to maintain effectiveness. The design of the thermoelectric refrigerator is based on the principles of a thermoelectric module (i.e. peltier effect) to create a hot side and cold side. The cold side of the thermoelectric module is utilized for refrigeration purposes; provide cooling to the refrigerator space. On the other hand, the heat from the hot side of the module is rejected to ambient surroundings by using heat sinks and fans.