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BY
VALETI SURENDRA
KUMAR(09491A03A5)UNDER THE GUIDENCE OF
Sri.K.CHANDRA SEKHAR M.TECH(PH.D),ASSO.PROF,
ATECHNICAL SEMINOR REPORTON
THERMO ELECTRICAL
COOLERS
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CONTENTS:-
Introduction
What is a thermo electrical cooler
Components of thermo electrical coolers
Mechanism behind thermo electrical
coolers
Advantages & disadvantages
Applications
Conclusion
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INTRODUCTION:-
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WHAT IS THERMO
ELECTICAL COOLER
Thermoelectric coolers are solid state
heat pumps used for cooling below
ambient are required.
WORKING PRINCIPLE:-
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Components used in thermo
electrical coolers:-
Semiconductors
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Conducting plates
Cables for connection
POWER REQUIRED:-
Dc electric power
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ADVANTAGES:-
No moving parts
Small and lightweight
Maintenance-free
Acoustically silent and electrically quiet Heat or cool by changing direction of current flow
Wide operating temperature range
Highly precise temperature control (to within 0.1C)
Operation in any orientation, zero gravity andhigh G- levels
Environmentally friendly
Sub-ambient cooling
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DISADVANTAGES:- Less amount of cooling effect
It cant work at high temperatures & pressures
It can be useful to small objects only
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APPLICATIONS:-
Laboratory instruments
Temperature baths
Refrigerators
Telecommunications equipment
Temperature control in missiles and
space systems
etc
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CONCLUSION:-
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REFARENCES:-
Mollar(2003). Themoelectric Cooler Selection Procedure. Retieved June 2006.http://www.marlow.com/TechnicalInfo/themoelectric_cooler_selection_p.htm
Nagy, J. (1997). The Effectiveness of Water Vapor Sealing Agents When Used in Application With ThermoelectricCooling Modules. 16th International Conference on Thermoelectrics.
Nolas, G.S. Goldsmid H., and Sharp J. (2001). Thermoelectrics : basic principles and new materials developments.New York: Springer.
Rowe, D.M. (1995). CRC Handbook of Thermoelectrics. Boca Raton, FL: CRC Press.
Sales, Brian. (February 2002). Thermoelectric Materials: Smaller is Cooler.. Science (Vol. 295. no. 5558, pp. 1248
1249). Retrieved April 2006. http://www.sciencemag.org/cgi/content/full/295/5558/1248 .
Simons, R. E. and Chu, R. C. (2000) Application of thermoelectric cooling to electronic equipment: A review andanalysis.Annual IEEE Semiconductor Thermal Measurement and Management Symposium, pp1-9.
Snyder, J. The Science and Materials behind Thermoelectrics. Caltech-JPL Thermoelectrics Website. Retrieved April2006.
Tellurex. (2002). Retrieved May 2006. http://www.tellurex.com
Tellurex. (2002). The 12 Most Frequently Asked Questions About Themoelectric Cooling. Retrieved May 2006.
http://www.tellurex.com/12most.html TE Technology, Inc. (2005) Cold Plate/Solid. Free Design Service. Retrieved June 2006.
http://www.tetech.com/design/3081.shtml
TE Technology, Inc. Retrieved May 2006. http://www.tetech.com/techinfo/
TE Technology, Inc. (2005). Thermoelectric Modules. Retrieved April 2006. http://www.tetech.com/modules/
Wikipedia the Free Encyclopedia(May 2006). Semiconductor.. Retrieved May 2006.http://en.wikipedia.org/wiki/Semiconductor.
http://www.marlow.com/TechnicalInfo/themoelectric_cooler_selection_p.htmhttp://www.marlow.com/TechnicalInfo/themoelectric_cooler_selection_p.htmhttp://www.sciencemag.org/cgi/content/full/295/5558/1248http://www.sciencemag.org/cgi/content/full/295/5558/1248http://www.tellurex.com/http://www.tellurex.com/12most.htmlhttp://www.tellurex.com/12most.htmlhttp://www.tetech.com/design/3081.shtmlhttp://www.tetech.com/design/3081.shtmlhttp://www.tetech.com/techinfo/http://www.tetech.com/modules/http://en.wikipedia.org/wiki/Semiconductorhttp://en.wikipedia.org/wiki/Semiconductorhttp://en.wikipedia.org/wiki/Semiconductorhttp://www.tetech.com/modules/http://www.tetech.com/techinfo/http://www.tetech.com/design/3081.shtmlhttp://www.tellurex.com/12most.htmlhttp://www.tellurex.com/http://www.sciencemag.org/cgi/content/full/295/5558/1248http://www.marlow.com/TechnicalInfo/themoelectric_cooler_selection_p.htm7/29/2019 Tech Seminor
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