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Thermal Solution for an electronic enclosure

Question asked by Prashanth Kumar Yeddula on Jul 9, 2018
Latest reply on Jul 9, 2018 by Prashanth Kumar Yeddula

Good afternoon everyone,


I am working on a completely enclosed box NEMA 4x enclosure with a few electronics components generating heat inside.  The box will be in a  50 degree ambient temperature room and I am assuming the aluminum box will transfer heat from the inside. The heat generated from each of the LCD screen is about 36 W. I don't know exactly how to set up the boundary conditions for this problem.

Without any inlet or outlet boundary conditions could someone help point me in the right direction for how to setup this type of process. Can someone help me how should I get started with the process. Should I use radiation for this model? This application will be placed outside in gas stations.

My goal is to 1) determine the  temperature distribution inside the box, and 2) Temperature inside the box if I give the heating sources as PCB,heating pad ,LCD screen.

Any help would be greatly appreciated.