Korean Journal of Air-Conditioning and Refrigeration Engineering (설비공학논문집)

The Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회)
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A Comparative Study on the Characteristics of the MWCNTs and PVP Added Nanofluids

다중벽 탄소나노튜브와 PVP가 첨가된 나노유체의 특성 비교 연구

  • Park, Sung-Seek (Department of Nuclear and Energy Engineering. Jeju National University) ;
  • Park, Youn-Cheol (Department of Mechanical Engineering, Jeju National University) ;
  • Kim, Nam-Jin (Department of Nuclear and Energy Engineering. Jeju National University)
  • Received : 2010.09.30
  • Accepted : 2010.11.25
  • Published : 2011.01.10
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Abstract

In this study, the characteristics of multi-walled carbon nanotubes added nanofluid were investigated. Sodium Dodecyl Sulfate, SDS, and Polyvinylpyrrolidone, PVP, were employed as the dispersant. SDS or PVP was added in pure water. And then, 0.0005, 0.001, 0.002, 0.003. 0.004, 0.005,0.01, and 0.02 vol% of CM-95 and CM-100 were dispersed respectively. The thermal conductivity and the viscosity were measured with a transient hot-wire instrument built for this study and the DV II+ Pro viscometer. The results showed that PVP had good thermal conductivity at 300 wt% and the thermal conductivity of CM-100 was better than that of CM-95. However, the viscosity of CM 100 was higher than that of CM 95.

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References

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