Thermal stability of carbon nanotube-based nanofluids for solar thermal collectors
作者： S. Mesgari , S. Coulombe , N. Hordy , R. A. Taylor
DOI: 10.1179/1432891714Z.0000000001169
关键词: Thermal 、 Absorption spectroscopy 、 Carbon nanotube 、 Nanotechnology 、 Nanofluids in solar collectors 、 Nanofluid 、 Absorbance 、 Chemical engineering 、 Solvent 、 Materials science 、 Thermal stability
摘要: Carbon nanotube dispersions are promising candidates for use as working fluids in high-performance solar collectors. However, one major stumbling block the way of their widespread application is difficulty achieving stable nanofluid suspensions at elevated temperatures. In this study, stability plasma- and acid-functionalised multi-walled carbon temperatures up to 150°C was investigated. Therminol 55 propylene glycol were used main solvents, while water a reference solvent. The results UV-VIS-NIR absorption spectroscopy showed that no agglomeration occurred plasma-functionalised nanofluids heated 150°C. minor variations observed absorbance nanotubes therminol base high
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