期刊
PHYSICS LETTERS A
卷 376, 期 10-11, 页码 1053-1057出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2012.02.006
关键词
Zinc oxide; Nanofluid; Electrical conductivity; Model
资金
- National Nature Science Foundation of China [50907051]
A new kind of nanofluid, ZnO-insulated oil nanofluid was prepared from ZnO nanoparticles synthesized by solvothermal method. Electrical property measurement shows that the electrical conductivity increases by 973 times after adding 0.75% volumetric fraction of ZnO nanoparticles into the insulated oil. A linear dependence of the electrical conductivity on the volumetric fraction has been observed, while the temperature dependence of the electrical conductivity reveals a nonlinear relationship. An electrical conductivity model is established for the nanofluid by considering both the Brownian motion and electrophoresis of the ZnO nanoparticles. (C) 2012 Elsevier B.V. All rights reserved.
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