Experimental Study on the Effect of In/Out Radial-Finned Heat Sink with PCM under Constant and Intermittent Power Mode in Power LEDs

Figure 4

LED case temperatures versus time that are taken by the various configurations of the heat sink without PCM at various input powers: (a) 4 W, (b) 10 W, and (c) 16 W.

(a)

(b)

(c)