Heat dissipation analysis under natural convection condition on high power LED
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2014
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my.unimap-356642014-06-18T01:53:05Z Heat dissipation analysis under natural convection condition on high power LED Vairavan, Rajendaran Zaliman, Sauli, Dr. Retnasamy, Vithyacharan Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. rajendaran@gmail.com zaliman@unimap.edu.my vc.sundres@gmail.com vc@unimap.edu.my Aluminum rectangular heat slug Ansys Heat slug size variation Junction temperature Single chip LED Link to publisher's homepage at http://www.aensiweb.com/ As the technology downscales with superior power and increased package density, the thermal effects of the high power LED are significant. Thus, the operating junction temperature of the high power light emitting diodes has to be reduced. In this paper, evaluation on single chip high power light emitting was done. The prime motive of this work was to assess the effect of heat slug size on the junction temperature and stress of LED chip under natural convection condition at ambient temperature of 25°C. Two sizes of rectangular heat slug were used. Simulation was carried out using Ansys version 11. Input power of 0.1W and 1W was applied to LED. Simulated results indicated that a larger slug size is favorable for a lower operating junction temperature and stress of the LED chip. 2014-06-18T01:53:05Z 2014-06-18T01:53:05Z 2013-10 Article Advances in Environmental Biology, vol. 7(SPEC. ISSUE 12), 2013, pages 3634-3638 1995-0756 http://www.aensiweb.com/old/aeb_October-special_2013.html http://dspace.unimap.edu.my:80/dspace/handle/123456789/35664 en AENSI Publisher All rights reserved |
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Universiti Malaysia Perlis |
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UniMAP Library |
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Asia |
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Malaysia |
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Universiti Malaysia Perlis |
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UniMAP Library Digital Repository |
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http://dspace.unimap.edu.my/ |
| language |
English |
| topic |
Aluminum rectangular heat slug Ansys Heat slug size variation Junction temperature Single chip LED |
| spellingShingle |
Aluminum rectangular heat slug Ansys Heat slug size variation Junction temperature Single chip LED Vairavan, Rajendaran Zaliman, Sauli, Dr. Retnasamy, Vithyacharan Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. Heat dissipation analysis under natural convection condition on high power LED |
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Link to publisher's homepage at http://www.aensiweb.com/ |
| author2 |
rajendaran@gmail.com |
| author_facet |
rajendaran@gmail.com Vairavan, Rajendaran Zaliman, Sauli, Dr. Retnasamy, Vithyacharan Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. |
| format |
Article |
| author |
Vairavan, Rajendaran Zaliman, Sauli, Dr. Retnasamy, Vithyacharan Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. |
| author_sort |
Vairavan, Rajendaran |
| title |
Heat dissipation analysis under natural convection condition on high power LED |
| title_short |
Heat dissipation analysis under natural convection condition on high power LED |
| title_full |
Heat dissipation analysis under natural convection condition on high power LED |
| title_fullStr |
Heat dissipation analysis under natural convection condition on high power LED |
| title_full_unstemmed |
Heat dissipation analysis under natural convection condition on high power LED |
| title_sort |
heat dissipation analysis under natural convection condition on high power led |
| publisher |
AENSI Publisher All rights reserved |
| publishDate |
2014 |
| url |
http://dspace.unimap.edu.my:80/dspace/handle/123456789/35664 |
| _version_ |
1643797868095471616 |
| score |
13.1944895 |