• Dr R.P. Chowdary
• Ch. Swaraj Reddy
• Ch.Srikrishna Shailesh
• G.Udaykiran

Conventional refrigeration has its own drawbacks, the major one being global warming due to Chlorofluorocarbon (CFC) refrigerants. Thermoelectric refrigeration (TER) is an alternative solution for food preservation, medical services, vaccine storages, and military fields .TER uses thermoelectric effect known as Peltier effect wherein heat is given out or absorbed when electric current passes across a junction between two dissimilar materials This heat, which is absorbed or given out can be used to refrigerate or heat an enclosed volume. The current study deals with how effectively this heat transfer can be made use of. Three cases are considered, first case is for cooling, the second case is for refrigeration as well as for heating purpose and the third case is only for heating purpose. The design requirements chosen are to use the heat in such a way that steady temperatures are reached within a short time and to provide retention time of at least half an hour. A working prototype of TER was fabricated, integrated and tested. The response parameters like time taken for attaining equilibrium, minimum and maximum temperatures obtained were studied. It was found that the case where both heating and cooling were used simultaneously had the best value of COP. Finally, it was concluded that a better heat transfer can give the best out of Thermo Electric Refrigeration system. Although having lesser effectiveness compared to conventional refrigeration, TER can deliver the best wherever conventional refrigeration is impossible & works as long as current is being made available

Peltier effect, thermoelectric refrigeration, heating , cooling

"Thermoelectric Cooling And Heating By Peltier Effect", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.7, Issue 4, page no.1147-1153, April-2020, Available :http://www.jetir.org/papers/JETIR2004154.pdf

"Thermoelectric Cooling And Heating By Peltier Effect", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.7, Issue 4, page no. pp1147-1153, April-2020, Available at : http://www.jetir.org/papers/JETIR2004154.pdf