Implementation of Thermoelectric Air Conditioner System Using CFC’S and HCFC’S

Abstract

ur project concerns about the destruction of the global environment by chlorofluorocarbon (CFC) fluids. It has become an impetus in searching for alternative non-CFC refrigerants and cooling methods.while some alternative refrigerants have been identified, they are not considered as lasting solution eventual phase-out. In view of this dilemma, environmentally acceptable alternative cooling methods have become important. The Main aim of our project is to replace the conventional cooling process. Most modern air conditioners in use today utilize compressors, condesers, refrigerants etc. But our system replaces these components with dc power source, heatsink and semiconductors respectively. Cooling is achieved by using a solid state semiconductor device called thermoelectric module which consists of an array of bismuth telluride (Bi2te3) pellets. By applying a low voltage DC power source to a module, heat will be moved through the module from one side to the other.one face, therefore, will be cooled while the opposite face simultaneously is heated. consequently, a thermoelectric cooler may be used for both heating and cooling by resersing the polarity (changing the direction of the applied current). There are no moving parts, so it is more reliable and little maintenance is enough. Lack of noxious refrigerants such as CFC, CCL2F2 leads this to an eco-friendly products.