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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
DESIGN AND FABRICATION OF PULSE TUBE REFRIGERATION SYSTEM pdf , DESIGN AND FABRICATION OF PULSE TUBE REFRIGERATION SYSTEM ppt, DESIGN AND FABRICATION OF PULSE TUBE REFRIGERATION SYSTEM , report, full , SYSTEM, REFRIGERATION , TUBE, PULSE , FABRICATION, DESIGN , pulse tube refrigerator ppt, pulse tube refrigeration system pdf , pulse tube refrigerator, pulse tube refrigeration system ppt , pulse tube refrigeration system, pulse tube , what do mean by ptr tube pipe, gm refrigerators project report , pulse tube info, pulse tube refrigeration , fabrication design refrigerator, vortex tube refrigeration system study material , fabrication of refrigerator system pdf, project report on refrigeration system , advantages and disadvantages of pulse tube refrigeration ppt, pulse tube refrigerator principle , doc design analysis fabrication and spring testing maching seminar report, ppt working principle of pulse tube refrigerator ,
lopment of the pulse tube refrigerator, continuous efforts have been devoted to the understanding of the refrigeration mechanism. A variety of theories have so far been proposed.
1.5.1 Surface Heat Pumping Theory.
In their initial work, W.E.Gifford and R.C.Longsworth suggested that only the gas element traveling between the cold and warm exchangers be responsible for the refrigeration effect. This lead to the concept of pressure ratio below which the pulse tube could not work. But the fact that the pulse tube provides refrigeration performances at very low-pressure ratios implies that heat i..................[:=> 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 m..................[:=> 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,
ion in first semister,and now I want give a seminars my interest is in refrigeration,so I need the above seminars details and I donot know any thing about this pulse tube refrigerator,so I expect your reply for my mail .any ho..................[:=> Show Contents <=:]



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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lse tube refrigerator (OPTR). The results confirm that CFD based Fluent simulations are capable of elucidating complex periodic processes in OPTRs. As a result, the performance analysis also shows that an optimum frequency always exists corresponding to the minimum cold end temperature for same operating boundary conditions. Results show that at high frequency the secondary-flow recirculation occur at the vicinity of component-to-component junctions to reduce the heat pumping effect from low temperature heat exchanger (HX) to high temperature HX. On the contrary, at low frequency, the low pump..................[:=> 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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ffect of sudden floods
To trap sediment



Overflow dams

They carry water discharge over their crests


Rockfill dams

Rock instead of earth
Embankment dams hold back water by the force of gravity acting upon their mass


Gravity dams

Most gravity dams are made from concrete, a mixture of port land cement, water, and aggregates
They are much thicker at the base than the top




2) Water reservoir

Place behind the dam
Height of water
Potential energy



3) Intake or control gates

Gates inside of the dam.
Inlet gates..................[:=> 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
pulse tube refrigeratorsmagnetic refrigaration , pulse tube refrigeratorsmagnets, pulse tube coolers , liquid helium cryostat, magnets , magnetic, refrigaration , working model of magnetic refrigerator,
Regarding Magnetic refrigeration: It is mentioned in synopsis that a proto- type of magnetic refrigerator that works at room temperature is possible. will you plea..................[:=> 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
DESIGN AND FABRICATION OF PULSE TUBE REFRIGERATION SYSTEM pdf, DESIGN AND FABRICATION OF PULSE TUBE REFRIGERATION SYSTEM ppt , DESIGN AND FABRICATION OF PULSE TUBE REFRIGERATION SYSTEM, report , full, SYSTEM , REFRIGERATION, TUBE , PULSE, FABRICATION , DESIGN, pulse tube refrigerator ppt , pulse tube refrigeration system pdf, pulse tube refrigerator , pulse tube refrigeration system ppt, pulse tube refrigeration system , pulse tube, what do mean by ptr tube pipe , gm refrigerators project report, pulse tube info , pulse tube refrigeration, fabrication design refrigerator , vortex tube refrigeration system study material, fabrication of refrigerator system pdf , project report on refrigeration system, advantages and disadvantages of pulse tube refrigeration ppt , pulse tube refrigerator principle, doc design analysis fabrication and spring testing maching seminar report , ppt working principle of pulse tube refrigerator,
mpler than the model analysis used in the design of pulse tube refrigerators.
Calculation method
Using the isothermal model, we wrote a computer program which can be run with a personnel computer, and whose running time is only a few minutes. An iterative method is used to sole these equations. First, we assume the volume of gas m, so that pressure P and M can be obtained. Second, M can be obtained. Second, mio, Cuo and Volume of the gas m can be obtained with the calculated P. Then another P and M can be obtained with the calculated volume of gas in. This process is repeated until the conve..................[:=> 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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p heat from a low temperature source to high temperature sink.
Thermoacoustic devices may be of practical use where simplicity, reliability or low cost is more important than the highest efficiency...................[:=> Show Contents <=:]



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