Magnetic Refrigeration

Magnetic Refrigeration

ABSTRACT

Refrigeration is a process in which heat is removed from an enclosed space and given to the surrounding. Refrigeration technology is not new but centuries old only the thing is that methods of refrigeration are changed. The refrigerants used in the conventional systems pollute the environment by depleting the ozone layer. By the depletion of ozone layer the harmful rays from sun i.e. UV rays, infrared rays may cause skin cancer to human beings. So there is a need to build a new refrigeration system so that it is environment friendly. This led to the discovery of new technique for refrigeration known as “ MAGNETIC REFRIGERATION ”.

An attempt has been made I this paper to bring about the advantages of Magnetic Refrigeration system over conventional Refrigeration system. The first chapter gives a brief introduction to Conventional Refrigeration system. In the second topic we have the introduction to Magnetic Refrigeration system, its basic working system and refrigerants used for the system.

The third chapter gives the prototype working of “AMRR” (Active Magnetic Regenerative Refrigerator). Further in this chapter the experimental results on this system are discussed.

Chapter four gives the enhancement of magnetocaloric effect, which is the basis of magnetic refrigeration. In the next chapter comparison has been made between Magnetic Refrigeration and Conventional Refrigeration systems. The applications and conclusions are discussed in the chapter 6 and 7 respectively.

Though the technique is at experimental stage, the results obtained from the prototype gives an indication that it will soon hit the domestic market in next 5 – 10 years. So watch out this new system that will soon enter your kitchen.

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