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Experimental Study on Characteristics of Nanofluid for Low-Temperature Phase Change Cool Storage

[+] Author Affiliations
Jianyou Long

South China University of Technology, Guangzhou, Guangdong, China; Shunde Polytechnic, Foshan, Guangdong, China

Dongsheng Zhu

South China University of Technology, Guangzhou, Guangdong, China

Qinbo He

Shunde Polytechnic, Foshan, Guangdong, China

Paper No. MNC2007-21596, pp. 959-963; 5 pages
doi:10.1115/MNC2007-21596
From:
  • 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems
  • First International Conference on Integration and Commercialization of Micro and Nanosystems, Parts A and B
  • Sanya, Hainan, China, January 10–13, 2007
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4265-7 | eISBN: 0-7918-3794-7
  • Copyright © 2007 by ASME

abstract

The TiO2 -BaCl2 -H2 O nanofluid with 1.13% volume fraction of TiO2 , which has the dimension of 20nm, was prepared by supersonic oscillator with hydrophilic dispersant. BaCl2 solution and TiO2 -BaCl2 -H2 O nanofluid were tested by the experiments of freezing. The experimental results show that nanofluid has remarkably lower subcooling degree than BaCl2 solution, and the cool storage capacity of the nanofluid is larger than that of BaCl2 solution. Comparing with BaCl2 solution, the heat transfer characteristic of the nanofluid is remarkably improved for the added nanoparticles.

Copyright © 2007 by ASME

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