Air-side Heat Transfer and Pressure Drop Characteristics of Louver-finned Aluminum Heat Exchangers at Different Inclination Angles

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概要

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• The effect of inclination angle on the heat transfer and pressure drop characteristics of brazed aluminum heat exchangers having louvered fins is experimentally investigated. Three samples having different fin pitches (1.25, 1,5 and 2.0 mm) were tested. Results show that heat transfer coefficients are not affected by the inclination angle. Friction factors, however, increase as the inclination angle increases, with negligible difference between the forward and the backward inclination. Both the heat transfer coefficient and the friction factor are the smallest at F<SUB>p</SUB> = 1.5 mm, followed by 2.0 mm and 1.25 mm. Possible explanation is provided considering the louver layout. Comparison of the present data with existing correlations is also made.

著者

• CHOI Yong-Min

  Department of Mechanical Engineering, University of Incheon

• KIM Do-Young

  Department of Mechanical Engineering, University of Incheon

• KIM Nae-Hyun

  Department of Mechanical Engineering, University of Incheon

• BYUN Ho-Won

  Department of Mechanical Engineering, University of Incheon

関連論文

• Air-side Heat Transfer and Pressure Drop Characteristics of Louver-finned Aluminum Heat Exchangers at Different Inclination Angles

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