International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 11 Issue: 05 | May 2024
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p-ISSN: 2395-0072
FABRICATION OF THERMOELECTRIC COOLING SYSTEM USING PELTIER EFFECT Vinay Hidaduggi1, Shrinidhi Kulkurni2, Santosh Nidavani3, Shivaprabhu Humberi4 Dr. S A Alur5, Dr.Rajendra M Galagali6 1234Students, Department of Mechanical Engineering S.G. Balekundri Institute of Technology
Engineering Belgavi, Karnataka, India 5Professor and Project Guide, Department of Mechanical Engineering S.G. Balekundri Institute of Technology
Engineering Belgavi, Karnataka, India 6Professor and HOD, Department of Mechanical Engineering S.G. Balekundri Institute of Technology
Engineering Belgavi, Karnataka, India ---------------------------------------------------------------------***-------------------------------------------------------------------Abstract - The ongoing development in science and technology has created a variety of system that can be used in producing refrigeration effect. Present conventional refrigerators use Ammonia, and R12 as refrigerant which are harmful to environment. The proposed project aims to develop small units of cooling appliances to be used for storage of medicine in medical shops, hospitals etc., to maintain food items for the patients in the hospitals and for uses in small pan-shops for cold storage. Even in guest houses and hotel rooms, these small units are required. A cooling effect using a thermoelectric module and Peltiereffect will eliminate the use of harmful refrigerants and also the moving parts like compressor, evaporator etc. are being eliminated by using this method. Using this environmental friendly method of refrigeration, it reduces the cost of refrigerator and helps to protect Ozone layer. By eliminating the refrigerants, effective cooling of 48 litres in volume can be achieved.
Principle of Peltier Effect One of the connections created by the two dissimilar materials may heat up while the other cools down when an electric current passes between them. This is referred to as the Peltier effect, which is the Seebeck effect in reverse. The Peltier coefficients and the current passing through the materials determine how much heat is produced or absorbed. Thus, the Peltier effect can be employed as a silent refrigerator without any moving fluid and to pump heat from one place to another. Thermoelectric refrigerators are small, green, and safe because they don't use dangerous refrigerants. Applications for satellites, spacecraft, dehumidifiers, and fiber optics can all benefit from the Peltier effect's cooling properties. A longer lifespan and less maintenance are provided by the absence of mechanical wear and moving parts. Since no refrigerants are utilized, there is no issue with leaks. The size and shape of the thermoelectric coolers will be flexible. By regulating current, the TEC coolers offer precise control over heat produced or dissipated. Its poor coefficient of performance and expensive cost for a given cooling capacity are its key drawbacks.
Keywords: Portable , Eco Friendly
1.INTRODUCTION The fundamental application of a refrigerator , to keep food cold and fresh for longer time is due to reduced spoilage of food by the slowed down activity of bacteria at the cooler temperatures . Cold temperatures help food stay fresh longer. There are several types of Refrigeration systems that are designed to produce cooling. Thermoelectric cooling is based upon "The Peltier Effect’’. The main objective of our project is to produce the cooling effect by using the “Peltier Module”. By using this type of Refrigeration system, we are avoiding the conventional mechanical devices, usage of harmful refrigerants and usage of green-house gases thereby protecting our environment. Using the Thermoelectric materials, we can convert electrical energy into thermal energy and vice versa
1.1 Peltier Effect
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