Enhancement of natural-convection heat transfer from a horizontal heated plate using grid fins
- Toyohashi Univ. of Technology, Aichi (Japan). Dept. of Energy Engineering
An enhancement technique was developed for natural-convection heat transfer from a horizontal heated plate. In order to enhance the heat transfer, grid fins made of copper plates were soldered to the copper base plate. These grid fins function not only as an extended surface but also as a heat-transfer promoter. The apparent heat-transfer coefficient of the above enhanced plate were measured and compared with those of a nontreated, smooth plate and a conventional plate with vertical straight fins. It was found that the highest performance is achieved by the present plate. By adopting grid fins with appropriate size and height, the heat-transfer coefficient at the central portion of the present plate is increased by 35% compared to that of the conventional finned plate with the same fin area of fin height.
- OSTI ID:
- 215438
- Journal Information:
- Heat Transfer - Japanese Research, Vol. 23, Issue 8; Other Information: PBD: Jan 1996
- Country of Publication:
- United States
- Language:
- English
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