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DESIGN AND FABRICATION OF PULSE TUBE REFRIGERATION SYSTEM full report


Posted by: project report tiger
Created at: Thursday 04th of March 2010 03:01:33 AM
Last Edited Or Replied at :Monday 18th of October 2010 11:41:19 PM
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n pressure and gas motion. The orifice pulse tube creates refrigeration through PV-work as well as surface heat pumping. The gas column in the pulse tube acts like the displacer in the Stirling cycle refrigerator. This PV-work is transferred from the compressor to the cold heat exchanger through the regenerator. It is continuously delivered from the cold end to the hot end of the pulse tube with associated pressure changes. Then this PV-work is dissipated in the valve and transferred as heat in the hot heat exchanger. As a result, both the PV-work transferred by the gas column and the surface ..................[:=> Show Contents <=:]



advantages and disadvantages of pulse tube refrigeration ppt


Posted by:
Created at: Saturday 29th of September 2012 11:28:49 PM
Last Edited Or Replied at :Saturday 29th of September 2012 11:28:49 PM
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sir i want to do my semin..................[:=> Show Contents <=:]



pulse tube refrigerator


Posted by: nathi302
Created at: Monday 06th of December 2010 08:50:38 AM
Last Edited Or Replied at :Monday 06th of December 2010 10:01:37 PM
projects topic on pulse tube refrigerator , pulse tube cryocooler,
Thank You,,,
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CFD SIMULATION OF ORIFICE PULSE TUBE REFRIGERATOR


Posted by: project report helper
Created at: Saturday 16th of October 2010 06:35:16 AM
Last Edited Or Replied at :Saturday 16th of October 2010 06:35:16 AM
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servoir. The simulation represents fully coupled systems operating in steady-periodic mode. The externally imposed boundary conditions are a cyclically moving piston wall at one end of the tube and constant temperature or heat flux boundaries at the external walls of the hot end and cold end heat exchangers. The experimental method to evaluate the optimum parameters of OPTR is difficult. On the other hand, developing a computer code for CFD analysis is equally complex. The objectives of the present investigation are to ascertain the suitability of CFD based commercial package, Fluent and also ..................[:=> Show Contents <=:]



HYDRO POWER PLANT presentation


Posted by: project topics
Created at: Wednesday 21st of April 2010 12:09:13 AM
Last Edited Or Replied at :Friday 15th of March 2013 05:53:57 AM
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5) Water turbines

Convert HYDROLIC energy to MECHANICAL energy


6) Generators

Convert MECHANICAL energy in ELECTRICAL energy
7) Transformer..................[:=> Show Contents <=:]



magnetic refrigaration


Posted by: mrigendrakumar
Created at: Wednesday 31st of March 2010 07:07:33 AM
Last Edited Or Replied at :Thursday 01st of April 2010 01:56:36 AM
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Regarding Magnetic refrigeration: It is mentioned in synopsis that a proto- type of magnetic refrigerator that works at room temperature is possible. will you please guide me & tell the procedure of making a small..................[:=> Show Contents <=:]



DESIGN AND FABRICATION OF PULSE TUBE REFRIGERATION SYSTEM full report


Posted by: project report tiger
Created at: Thursday 04th of March 2010 03:01:33 AM
Last Edited Or Replied at :Monday 18th of October 2010 11:41:19 PM
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t heat exchanger QH
regenerator
pulse tube
cold heat exchanger
Figure 1.4 Schematic diagram of an orifice pulse tube refrigerator.
The disadvantage of the orifice pulse tube is the fact that a large amount of compressed gas that produces no actual refrigeration, must flow through the regenerator. This decreases the refrigeration power per unit of compressed mass and therefore increases the regenerator loss. The larger the mass flow rate in the regenerator is, the smaller the effectiveness of the regenerator will be, and the larger the pressure loss will be. Both of these effects cause a r..................[:=> Show Contents <=:]



Thermoacoustic Refrigerator


Posted by: mechanical wiki
Created at: Thursday 03rd of September 2009 12:40:07 PM
Last Edited Or Replied at :Sunday 01st of August 2010 09:05:10 PM
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acoustic primemovers heat flow from a high temperature source to a low temperature sink generates acoustic power (Which may be converted into elect..................[:=> Show Contents <=:]



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