|TRANSIENT ANALYSIS OF THERMAL MANAGEMENT FOR HIGH POWER LED STREET LIGHTS USING CFD|
|Pushparaj Singh, Rohit Tiwari|
|Cite This Article:|
TRANSIENT ANALYSIS OF THERMAL MANAGEMENT FOR HIGH POWER LED STREET LIGHTS USING CFD, International Journal of Innovative Research in Technology(www.ijirt.org) ,ISSN: 2349-6002 ,Volume 5 ,Issue 12 ,Page(s):174-179 ,May 2019 ,Available :IJIRT148064_PAPER.pdf
|High-Power LEDs, Heat Pipe, Numerical Simulation, Thermal Management, ANSYS 16.0, Fins.|
|Energy crisis, global warming, energy saving and emission reduction have become some of the most concerned topics in the world. As a new generation green solid-state light source, LED has been widely regarded due to its distinctive advantages such as high luminous efficiency, energy saving, long lifetime, and being environment-friendly. Today, light emitting diodes (LEDs) market is one of the most rapidly growing markets. LEDs are replacing conventional light sources such as incandescent lamps and fluorescents, because of their superiority in many properties like efficiency, reliability, short response time, durability, color variability, compactness and lightness. During the heat generation, the p-n connection point has the highest temperature in the device. The temperature at this point is called the junction temperature. Junction temperature in LEDs is a very crucial parameter. If the junction temperature exceeds the maximum permissible value, the LED will either fail or be damaged over time. As a result, improper thermal management causes the maximum operating temperature to be exceeded. In this work the existing model compared with proposed design of LED street light fins, also analysis the cooling of LED fins over the existing design model with the help of ANSYS. The temperature distribution, heat flux and directional heat flux have been analyzed by ANSYS and make a comparison between them. From the simulation results the heat transfer rate increased about 41.6%.|
|Unique Paper ID: 148064|
Publication Volume & Issue: Volume 5, Issue 12
Page(s): 174 - 179
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