期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 14, 期 6, 页码 4602-4607出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2014.8657
关键词
CuO Nanoparticles; Propylene Glycol; Relative Viscosity; Particle Clustering; Thermal Conductivity Enhancement
类别
资金
- INSPIRE fellowship of Department of Science and Technology (DST), India [IF110312]
- Nano Mission Council, Department of Science and Technology (DST), India [SR/NM/PG-16/2007]
- DST, India [SR/FT/ET-061/2008]
- Research and Modernization Project, SASTRA University, India [1]
Experiments were performed on the preparation and characterization of CuO-propylene glycol nanofluids. The influence of nanoparticle concentration and temperature on nanofluid viscosity reveals existence of a range of nanoparticle concentration and temperature in which the viscosity of nanofluid is lower than that of propylene glycol, possibly due to interactions between nanoparticles and propylene glycol. A temperature-independent, thermal conductivity enhancement of 38% was obtained for nanoparticle concentration of 1.5 vol% over a temperature range of 10-60 degrees C. We believe that particle clustering contributes to the thermal conductivity enhancement in CuO-propylene glycol nanofluids.
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