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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 ,
assified as either recuperative or regenerative cryocoolers.
1.2.1 Recuperative Cryocoolers.
The recuperative coolers use only recuperative heat exchangers and operate with a steady flow of refrigerant through the system. Figure 1.1 shows the schematic of three common recuperative cryocooler cycles. The Joule-Thompson (JT) cryocooler shown in figure 1.1(a) is very much like the vapour compression refrigerator, except for the addition of the main heat exchanger to cover the long temperature span. In vapour compression refrigerators the compression takes place below the critical temperature of..................[:=> 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 seminar and it requires the advanteges and diadvanteges ..................[:=> 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,
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 how Iam feeling great to have an oppurtunity to recieve some information from you

..................[:=> 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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OF ORIFICE PULSE TUBE REFRIGERATOR

Banjare Y. P. *, Sahoo R. K., Sarangi S. K.
Department of Mechanical Engineering, NIT Rourkela-769008, Orissa




Abstract A commercial Computational fluid dynamics (CFD) software package Fluent 6.1 is used to model the oscillating flow inside a pulse tube cryocooler. In this paper analysis of orifice type pulse tube refrigerator (OPTR) systems operating under a variety of thermal boundary conditions are modeled at different frequencies. The compressor used is having dual opposed piston arrangement. The simulations are done at different frequ..................[:=> 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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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



4) The penstock

To carries ..................[:=> 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 o..................[:=> 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,
Power (W) Refrigeration Power/ Mass flow (kJ/kg)
1 0.2 1.49799 55.33803 11.07981 7.75113
2 0.3 1.4659 75.79030 15.12563 9.91248
3 0.4 1.43755 93.03354 18.53474 11.34576
4 0.5 1.42867 115.11232 23.14549 13.18287
5 0.6 1.37415 113.26436 22.40400 12.01510
6 0.7 1.34152 116.82361 22.95918 11.61919
7 0.8 1.30980 116.72742 22.80734 10.97142
8 0.9 1.28059 114.09727 22.16148 10.21472
9 1.0 1.25284 108.18174 20.82829 9.30185
10 1.1 1.23104 106.48635 20.65185 8.85962
Effect of variation of orifice area on pressure ratio:
As seen from fig. 4.1, the pressure ratio decreases with increase in or..................[:=> 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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Air Act specify schedules for phasing out CFC production by year 2000.
This forced a new wave of research and development in refrigeration technologies. Existing technologies are being adapted to new chemicals, processes are being refined to become more energy efficient, and innovative approaches to refrigeration are being tested.
A new technology under development is cooling by sound or Thermoacoustic refrigeration. We ordinarily think of a sound wave in a gas as consisting of coupled pressure and displacement oscillations. However temperature oscillations always accompany the pressure cha..................[:=> Show Contents <=:]



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