동력기계공학회지 (Journal of Power System Engineering)

  • 제17권2호
  • /
  • Pages.70-77
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  • 2013
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  • 2713-8429(pISSN)
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  • 2713-8437(eISSN)
한국동력기계공학회 (The Korean Society for Power System Engineering)
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A Study on the Heat Transfer Enhancement of Miniature loop Heat Pipes by Using the Cu Nanofluids

  • Kim, Young-Sik (Incheon campus Korea Polytechnics Department of Industrial Facility Automation) ;
  • Jeong, Hyo-Min (Department of Energy and Mechanical Engineering, Institute of Marine Industry, Gyeongsang National University) ;
  • Chung, Han-Shik (Department of Energy and Mechanical Engineering, Institute of Marine Industry, Gyeongsang National University) ;
  • Tanshen, Md.Riyad (Department of Energy and Mechanical Engineering, Gyeongsang National University) ;
  • Lee, Dae-Chul (Department of Energy and Mechanical Engineering, Gyeongsang National University) ;
  • Ji, Myoung-Kuk (Young Jin Forging Co., Ltd.) ;
  • Bae, Kang-Youl (Dae Myung GENT Co., Ltd.)
  • 투고 : 2011.11.04
  • 심사 : 2013.03.06
  • 발행 : 2013.04.30
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초록

An experimental study was carried out to understand the heat transfer performance of a miniature loop heat pipes using water-based copper nanoparticles suspensions as the working fluid. The suspensions consisted of deionized water and copper nanoparticles with an average diameter of 80 nm. Effects of the cupper mass concentration and the operation pressure on the average evaporation and condensation heat transfer coefficients, the critical heat flux and the total heat resistance of the mLHPs were investigated and discussed. The pressure frequency also depends upon the evaporator temperature which has been maintained from $60^{\circ}C$ to $90^{\circ}C$. The Investigation shows 60% filling ratio gives the highest inside pressure magnitude of highest number pressure frequency at any of setting of evaporator temperature and 5wt% results the lowest heat flow resistance.

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참고문헌

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