Environmental priorities are forcing chloro-fluorocarbons out of market place thereby creating a new demand for cooling

technologies. This paper presents an outcome of researches done to design, construct and evaluate a CFC free refrigeration

system. A prototype Thermo acoustic cooling system utilizing high amplitude sound waves in an inert gas is discussed.



Thermo Acoustic Engines

A thermo acoustic engine converts some heat from a high Temperature heat source into acoustic power rejecting waste heat

to a low temperature ....etc

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Moulds in Casting of Plastics and Thermoforming


Plastics today are larger serving as substitute material in the field of tooling and prototype parts but are being used as engineering materials in their own lights and in many applications, they are doing better job then any other material could do, some authorities claim that the rapid advancement of plastic tooling would have been impossible without the versatility of the epoxyresin.
Plastic tooling offers several advantages over conventional metal tooling. These includes:


1. Lowest ....etc

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full report of Thermostatic Refrigerator ....etc

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Introduction

Plastics today are larger serving as substitute material in the field of tooling and prototype parts but are being used as engineering materials in their own lights and in many applications, they are doing better job then any other material could do, some authorities claim that the rapid advancement of plastic tooling would have been impossible without the versatility of the epoxyresin.
Plastic tooling offers several advantages over conventional metal tooling. These includes:


1. Lowest cost
2. Less time.
3. Light weig ....etc

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Today plastic is an industry -greater than steel and aluminum combined. Plastic probably have one of the most spectacular growth history among engineering materials. Within relatively short time of their inception, these versatile materials began to replace metals and woods in variety of applications. Plastics is a product that was invented in early 20 century and now at the dawn of the century disposal of plastic is of great significance. They have taken over from other materials as the material of choice in many sectors of industry and life. ....etc

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hello i am a mechanical student of btech. 3rd year . i want ppt seminar project on thermostatic refrigeration so that i can give a good seminar prestation in my colledge. i not know much about the topic so i expect a simple and good ppt from you. ....etc

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hi plz send me this topic pdf and ppt ....etc

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hiiiiiii plz send me of this pdf and ppt ....etc

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Plastics today are larger serving as substitute material in the field of tooling and prototype parts but are being used as engineering materials in their own lights and in many applications, they are doing better job then any other material could do, some authorities claim that the rapid advancement of plastic tooling would have been impossible without the versatility of the epoxyresin. Plastic tooling offers several advantages over conventional metal tooling. These includes:

1. Lowest cost

2. Less time.

3. Light weight, easily handled ....etc

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full report ....etc

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