The vortex tube was discovered in 1930 by Georges Ranque, a French physics student, was experimenting with a vortex-type pump he had developed when he noticed warm air exhausting from one end, and cold air from the other. Ranque soon forgot about his pump and started a small firm to exploit the commercial potential for this strange device that produced hot and cold air with no moving parts. However, it soon failed and the vortex tube slipped into obscurity until 1945whenRudolphHilsch, a German physicist, published a widely read scientific paper ....etc

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Abstract--
The importance of refrigeration i s fundamental in meeting the United Nations Millennium development goals, particularly for t h e millions of the world s poor living in the t r o p i c s . dissigno set out determine the physically v i a b i l i t y to produce sufficient refrigeration to make ice from a Ranque-Hilsch Vortex tube. The base o b j e c t i v e s were, 1 kg of ice produced per work cycle, cost l e s s than $500 installed, minimal moving parts, only use renewable energy, & limit impact to t h e environment. The m ....etc

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Compound Vortex Controlled Combustion
CVCC is a trademark by the Honda Motor Company for a device used to reduce automotive emissions called Compound Vortex Controlled Combustion. This technology allowed Honda's cars to meet the 1970s US Emission requirements without a catalytic converter, and first appeared on the 1975 ED1 engine. It is a form of stratified charge engine.

Honda CVCC engines have normal inlet and exhaust valves, plus a small auxiliary inlet valve which provides a relatively rich air / fuel mixture to a ....etc

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ABSTRACT

Vortex refrigeration is a highly sophisticated system that contains a vortex tube which due to centrifugal force expels the internal energy of the air while the air at the centre core is made cooler. In this type of system the effectiveness is too low but considering its small size this can t be ruled off. This is used as personal cooling system in suits that are designed to withstand heat.


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CHAPTER -I
INTRODUCTION
1.1 Refrigeration
*Refrigeration is the ....etc

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yes kindly help me.i am looking for a report on homopolar generator. kindly so as stated ....etc

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i want seminar report on the spherical sun power generator. please help me. ....etc

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ABSTRACT
VORTEX GENERATORS
This topic provides basic working principle of a vortex generator suitable for automobiles. Vortex generator has a vital role in increasing the fuel economy and aerodynamic stability. This enables them reduce the drag force acting on it.
There are several methods for positioning the vortex generators over the vehicles. The key results of a simple experiment conducted on Toyota prius exemplifying the advantages of vortex generators discussed here.

Submitted By: Sarun Sa ....etc

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