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Experimental study on supercooling degree of nanofluids for cryogenic cool storage.

[In Chinese. / En chinois.]

Author(s) : HE Q., TONG M., LIU Y.

Type of article: Article

Summary

Four different concentration TiO2-BaCl2-H20 nanofluids with 20 nm TiO2 were prepared by supersonic oscillator through adding hydrophilic dispersant into BaCl2 solution. BaCl2-H2O and TiO2-BaCl2-H2O nanofluids were tested experimentally. The results show that nanofluids have remarkably lower supercooling degree than BaCl2-H2O,and the beginning nucleation time of nanofluids is ahead of BaCL2-H2O. Moreover, their crystallization time is lower than that of BaCl2-H2O. Also, the crystallization mechanism was analyzed for the influence of the nano TiO2 particles on BaCl2-H2O.

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Pages: 33-36

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 2007-2639
  • Languages: Chinese
  • Source: Journal of Refrigeration - vol. 28 - n. 4
  • Publication date: 2007/08

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