It is not often that scientific discoveries hold the promise of saving consumer?s money while protecting the environment and reducing the use of fossil fuels. Define the perfect fuel and it would most lightly be one that burns cleanly, poses no harm to the environment and, above all, is renewable or in limitless supply.

The researchers in the U.S Department of Energy?s Ames Laboratory under a construct with the Astronautics Corporation of America have developed a refrigerator with out a standard gas-compression cooling system. Magnetic refr ....etc

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SYNOPSIS


Magnetic refrigeration is an alternate method of producing refrigeration. This finds great importance now a day because of the world wide ban of environmental damaging substance like chloroflurocarbon, which is used in conventional vapor compression refrigeration. Magnetic refrigeration is based on phenomenon called magneto caloric effect. A quick review of the different stages of development made in magnetic refrigeration is done in this paper. And a proto type of magnetic refrigerator that works at room te ....etc

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Dear Sir,
I request you to send Magnetic refrigeration's synopsis and its full report with ppt file. Because the file which you are provided in page link http://studentbank.in/report-magnetic-refrigeration-full-report is not opening in ms-powerpoint.
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Thermo acoustic Refrigeration is based on the principles of creation of temperature gradient from sound waves and this theory was first developed in 1960s. Unlike vapour compression system, Thermo acoustic engines uses inert gases which is safe and no adverse effect on the atmosphere like the depletion of ozone layer and global warming.

Even though acoustic Refrigeration is efficient and cost effective its commercial application is warranted the need of more R&D efforts for technology up gradation and standardization without which its eff ....etc

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CONTENTS

1. Acknowledgement
2. Introduction
3. Objectives
4. Components
5. Working
6. Benefits
7. Activities (present and future)
8. Magnetic materials
9. Regenerators
10. Superconducting magnets
11. Active magnetic regenerators (AMR?s)
12. A rotary AMR liquefier
13. Comparison





ACKNOWLEDGEMENT

The compilation of this seminar would not have been possible without the support and guidance of the following people and organization. With my deep sense of gratitude, I thank my respected teachers for supporting ....etc

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THERMOACOUSTIC REFRIGERATION

INTRODUCTION

Conventional Refrigeration And Its Drawback
Thermoacoustic Refrigerator
Unpressurised System
Air as Gas Medium
Loudspeaker as Acoustic Driver


THERMOACOUSTICS
Definition
Background
Uses sound to create cooling
No moving parts inside device
Tremendous Opportunities
Saves energy
Economic potential
Good for the environment

APPLICATIONS
Heat Powered TAR
beer cooler
Coolahoop
Electrically powered TAR
spacecraft applications
Supercon ....etc

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