LAUSR

Received: 21 July 2019 Accepted: 6 December 2019 An experimental investigation on the thermoelectric cooler box with several heat dissipation units was conducted in the unconditioned environment. The cooler box cooling system in this study comprised a TEC2-25408 thermoelectric module, an inner heat sink, four bottles filled with water, and heat dissipation units. The heat dissipation unites employed were a heat sink with a fan, a heat sink without a fan, a heat pipe with a fan, and a heat pipe without a fan. The cooler box dimension was 0.397 m x 0.305 m x 0.25 m. The powers supplied to the thermoelectric ranged from 27.65 W to 36.51 W. The experiment was performed for 1800 seconds, and the data were recorded using the NI DAQ MX 9714 connected to the PC. The ambient temperatures were detected from 26.6°C to 30.82°C. The results showed that the cooler box using a heat sink with a fan demonstrated the lowest cooler box temperature (23°C), and the highest COP (0.044), while the cooler box utilizing three other dissipation units exhibited opposite.