Stable and homogeneous silicone oil based nanofluids of multi-walled carbon nanotubes (MWNTs) were prepared by using hexamethyldisiloxane as surfactant. The used MWNTs were cut by mechanical ball-milling approach following strong acid treatment. Scanning electronic microscopy results show that the MWNTs disperse well in the silicone oil. The addition of hexamethyldisiloxane reduces the viscosity of silicone oil greatly in all the studied temperatures. It is different from some water based nanofluids with surfactant. The minor viscosity augmentation of silicone oil based MWNT nanofluid with high thermal conductivity make it the ideal media in high burden of heat transfer and heat transfer enhancement in special condition. As expected, the viscosity of the nanofluid increases with MWNT volume fraction, but decreases with temperature. The 0.54 vol% MWNT dispersions with the addition of 0.6 wt % hexamethyldisiloxane show no MWNT precipitation for a couple of weeks.
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ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting
August 1–5, 2010
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5450-1
PROCEEDINGS PAPER
Preparation of Stable Silicon Oil Based Nanofluid Containing Multi-Walled Carbon Nanotube by Using Hexamethyldisiloxane as Dispersant
Lifei Chen,
Lifei Chen
Shanghai Second Polytechnic University, Shanghai, China
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Huaqing Xie,
Huaqing Xie
Shanghai Second Polytechnic University, Shanghai, China
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Yang Li,
Yang Li
Shanghai Second Polytechnic University, Shanghai, China
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Wei Yu
Wei Yu
Shanghai Second Polytechnic University, Shanghai, China
Search for other works by this author on:
Lifei Chen
Shanghai Second Polytechnic University, Shanghai, China
Huaqing Xie
Shanghai Second Polytechnic University, Shanghai, China
Yang Li
Shanghai Second Polytechnic University, Shanghai, China
Wei Yu
Shanghai Second Polytechnic University, Shanghai, China
Paper No:
FEDSM-ICNMM2010-30402, pp. 633-636; 4 pages
Published Online:
March 1, 2011
Citation
Chen, L, Xie, H, Li, Y, & Yu, W. "Preparation of Stable Silicon Oil Based Nanofluid Containing Multi-Walled Carbon Nanotube by Using Hexamethyldisiloxane as Dispersant." Proceedings of the ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B. Montreal, Quebec, Canada. August 1–5, 2010. pp. 633-636. ASME. https://doi.org/10.1115/FEDSM-ICNMM2010-30402
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