Thermal Management of Liquid-Cooled Cold Plates for Multiple Heat Sources in a Humanoid Robot
- Thermal Management of Liquid-Cooled Cold Plates for Multiple Heat Sources in a Humanoid Robot
- 김서영; 황규대; 문종민; 강상우
- Multiple heat sources; mini light cold plate; serial circulation; two-way parallel circulation
- Issue Date
- IMPACT Conference 2009 International 3D IC Conference
- , 453-456
- Thermal management for two array types of a serial circulation
and a two-way parallel circulation using six mini liquid-cooled cold
plates were experimentally measured in this study. In order to reduce
weight of the cooling devices for humanoid robot cooling, the cold
plates were covered with non-metallic material (polycarbonate, PC).
Six cold plates attached on 10 x 10 ㎟ copper base : 0.5 x 0.5 ㎟
pin-finned surfaces of 1.5 mm high with 0.5 mm array spacing, was
mounted on six copper heating blocks with isothermal conditions of
50~90 ℃, respectively. In order to compare thermal characteristics
according to two circulation types, the surface temperatures of
heating blocks and the cooling water temperatures at inlets and
outlets of cold plates were measured. From the results, it was found
that a two-way parallel circulation was better performance than a
serial circulation in terms of total thermal resistance, total heat
transfer rate, and surface temperature rises from first heating block to
last one for six multiple cold plates.
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