每年出版 18 期
ISSN 打印: 1064-2285
ISSN 在线: 2162-6561
Indexed in
EFFECTIVE THERMAL CONDUCTIVITY OF CARBON NANOTUBE-BASED NANOFLUIDS AT HIGH TEMPERATURES
摘要
This study investigated the effects of temperature (30–180°C) and CNT volume fraction (0.001–0.007) on the effective thermal conductivity of CNT-based nanofluids, which extended the temperature range of available experimental data. The experimental results agree well with the theoretical model. The thermal conductivity enhancement increases with increasing CNT volume fractions at less than 100°C. Higher volume fractions result in greater thermal conductivity enhancement with temperature. Above 120°C, the thermal conductivity enhancement decreases with increasing temperature due to various aggregate states of the nanoparticles at high temperatures. The present study demonstrates the thermal conduction mechanisms in CNT-based nanofluids at high temperatures.
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