Performance Enhancement of a Peltier Device as a Cooling Source

The environmental harm caused by the production, use, and disposal of hydro- and chlorofluorocarbons (CFCs and HCFCs) as refrigerants in conventional refrigeration and air conditioning systems has come to light. This has prompted in-depth study into the production of substitute refrigeration systems. Thermoelectric cooling offers a potential alternative technique due to its distinct characteristics. The Peltier effect was utilised in thermoelectric coolers (TEC) to create a heat flux at the meeting of two different materials. In this work, a low-power, environment friendly refrigeration system was built using the thermoelectric effect. The studies were carried out by studying the cooling effect created in a water body connected to the Peltier colder side where water was flowing at constant speed, and on the hotter side aluminium fins with variable speed fan were installed. The findings were collected, and the cooling effect was examined. It was found that the cooling effect and coefficient of performance (COP) of the system increase with fan speed. The COP increased up to 62.7 at maximum fan speed.