Optimal Thermal Solutions BV used the 6SigmaET simulation software to examine the effect of the orientation of an LED heatsink on thermal performance. The two heat sinks investigated included an extruded heat sink (ModuLED9980) and a pin fin heatsink (LPF11180-ZHE). The simulation results were compared with measured values, and the maximum difference between the test and simulation data was found to be 1.9 K or 5%. LED lighting can be an effec

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