Analysis of Heat Pipe Filled with Several Oxide Nanofluids on the Start-Up Process

Abstract:

Three heat pipes with nanofluids of Al₂O₃-water, CuO-water and SiO₂-water were tested experimentally. The temperature distribution of their start-up process was analysed, and compared the heat pipe with water. The results showed that the start-up way of heat pipe filled with nanofluids was coincident, the heat pipe filled with nanofluids showed a lower start-up temperature and a shorter start-up time in evaporator section compared with heat pipe filled with water, the temperature drop between evaporator section and condenser section for the heat pipe filled with nanofluids were reduced by 2-5°C than that of the heat pipe filled with water. The effect of the length of the heating section of heat pipe filled with nanofluids on the start-up process was little.

• Periodical: Applied Mechanics and Materials (Volumes 490-491)
• Pages: 251-255
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.490-491.251
• Online since: January 2014
• Authors: Yu Ying Gong, Zong Ming Liu, Wei Lin Zhao
• Keywords: Heat Pipe, Nanofluid, Start-up Process

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