An experimental investigation on thermal performance of a flat-plate heat pipe with gradient surface wettability
Date Issued
2012
Date
2012
Author(s)
Huang, Bo-Ruei
Abstract
This study aims to discuss the characteristic of the surface modification techniques applied to flat-plate heat pipe. In general, the surface structure of heat pipe using the sintered wick method. This study uses sol-gel method to create the different wetting ability surface of heat pipe surface.
The thermal resistance results show that the different gradient surface flat-plate heat pipe with deionized water and horizontal conditions has the lowest evaporation resistance 0.098°C / W as well as the heat pipe with sintered wick structure. In this thesis also explores homogeneous surface, the heat transfer performance of gradient surfaces can be better than the hydrophilic surfaces.
In this study, the different gradient surface can be fabricated at the low working temperature (120°C). This can promote the practical applications due to the less energy consumption and the low cost.
Subjects
Sol-gel
hydrophilic and hydrophobic
wick structure
flat-plate heat pipe
SDGs
Type
thesis
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