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

Figure 8

Temperature distribution of LED module (a) heat sink E20I3 without PCM and (b) heat sink E20I3 with PCM. (c) Temperature distribution along the lines in infrared thermal image camera.

(a)

(b)

(c)