Figure captions :
Fig. 1. Schematic diagrams of the heat sink models : (a) square (84 fins, height =16 mm), (b) square (84 fins, height = 10 mm), (c) square ( 45 fins, height = 16 mm), (d) triangular (84 fins, height = 16 mm), (e) triangular (84 fins, height = 10 mm), (f) triangular (45 fins, height = 16 mm), (g) circular (84 fins, height = 16 mm), (h) circular (84 fins, height = 10 mm), (i) circular (45 fins, height = 16 mm)
Fig. 2. Temperature profiles : (a) square fins heat sink, (b) triangular fins heat sink, (c) circular fins heat sink
Fig. 3. Relationship between the results of the present model and the experimental model of [8]
Fig. 4. Temperature distribution of a heat sink with three different types of PCMs as well as without PCM
Fig. 5. Temperature distribution of three types of heat sinks using polyethylene glycol as PCM
Fig. 6. Temperature vs time graph of heat sinks for three types of fins with a height of 16 mm and 10 mm
Fig. 7. A column chart showing the temperature of different types of heat sinks with a height of 16 mm and 10 mm
Fig. 8. Time-temperature curve of three types of heat sinks with a fin number of 84 and 45 using polyethylene glycol as PCM
Fig. 9. Time-temperature curve of three types of heat sinks with a fin number of 84 and 45 without PCM