Convective Heat Transfer Characteristics of NaHCO3-Ag Nano Compound Material Solution

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概要

• 論文の詳細を見る

• Convection heat transfer enhancement is an important issue since this problem is of particular interest in the field of energy and environment. Ag nano-solution is expected not only to enhance heat transfer but also to work for deodorization and antifungal effect. An experimental investigation on the convective heat transfer characteristics for NaHCO<SUB>3</SUB>-Ag nano-compound material solution in a long and straight heated pipe has been carried out. NaHCO<SUB>3</SUB> compound materials with 400 ppm or 1000 ppm Ag nano-particle solved in pure water are considered to study the effect of Ag nano-particle on the heat transfer enhancement. The concentration of NaHCO<SUB>3</SUB>-Ag compound material in the water is varied 0.1 % to 1.0 %. The results indicate that the convective heat transfer coefficient is increased with an increase in the concentration of NaHCO<SUB>3</SUB>-Ag compound solution. At a given concentration, heat transfer coefficient is increased as the content of the Ag nano-particle is increased. Heat transfer enhancement ratio correlation using NaHCO<SUB>3</SUB>-Ag compound solution is also suggested.

• 一般社団法人日本機械学会・社団法人日本伝熱学会の論文

著者

• Kim Kyung

  Graduate School Of Biotechnology Korea University

• KANG Byung

  School of Mechanical and Automotive Eng., Kookmin University

• HEO Juyeong

  Graduate School, Kookmin University

• KIM Kyung

  Graduate School, Kookmin University

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• Convective Heat Transfer Characteristics of NaHCO3-Ag Nano Compound Material Solution

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