Proceedings of the SAREK Conference (대한설비공학회:학술대회논문집)

The Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회)
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Thermal Conductivity measurement of Binary Nanofluids by the Transient Hot-wire Method

비정상 열선법을 이용한 이성분 나노유체의 열전도도 측정

  • Cho, Chang-Hwan (Department of Mechanical Engineering graduate school, Kyung Hee University) ;
  • Sul, Hea-Youn (School of Mechanical and Industrial Systems Engineering, Kyung Hee University) ;
  • Koo, June-Mo (School of Mechanical and Industrial Systems Engineering, Kyung Hee University) ;
  • Kang, Yong-Tae (School of Mechanical and Industrial Systems Engineering, Kyung Hee University)
  • 조창환 (경희대학교 기계공학과) ;
  • 설혜연 (경희대학교 기계산업시스템공학부) ;
  • 구준모 (경희대학교 기계산업시스템공학부) ;
  • 강용태 (경희대학교 기계산업시스템공학부)
  • Published : 2008.11.21
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Abstract

Binary nanofluids(Binary mixture + nanoparticles) have been extensively paid attention for application in absorption system as a new working fluid. Thermal property evaluation of the new refrigerants is inevitable to apply them for actual system. The objectives of this paper are to measure the thermal conductivity of the binary nanofluids by the transient hot-wire method, and to assess the application possibility of the binary nanofluids for absorption system. It was found that the thermal conductivity of the binary nanofluids ($H_2O/LiBrAl_2O_3$) increased with increasing the concentration of the nanoparticles ($Al_2O_3$) and enhanced up to 27% at 0.1 vol % of the nanoparticles.

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