G111 An Experimental Study of the Surface Treatment Effects on the Frosting/Defrosting Behavior of a Fin-tube Heat Exchanger(Heat exchanger fundamentals)

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概要

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• The effects of the heat exchanger surface treatment on the frosting/defrosting behavior in a fin-tube heat exchanger are investigated experimentally. It is found that the hydrophilic surface mainly influences the frosting behavior, while the hydrophobic surface has some influence on the defrosting behavior. In view of the frosting, a surface-treated heat exchanger with either hydrophilic or hydrophobic characteristic shows little improvement in the thermal performance than the bare aluminium heat exchanger. The results reveal that the heat exchanger with a hydrophobic surface treatment is more effective in view of the defrosting efficiency and time. The amount of residual water on the surface-treated heat exchangers is shown to be smaller than that of the bare heat exchanger. Therefore further improvements on the performance of re-operations are expected.

• 一般社団法人日本機械学会の論文
• 2000-10-01

著者

• Lee Kwan-soo

  School Of Mechanical Engineering Hanyang University

• Kim Woo-seung

  School Of Mechanical Engineering Hanyang University

• Jhee Sung

  Graduate School, Department of Mechanical Engineering, Hanyang University

• Jhee Sung

  Graduate School Department Of Mechanical Engineering Hanyang University

関連論文

• H316 NUMERICAL ANALYSIS OF MOISTURE VENTILATION IN A LTHIMUM ION BATTERY MANUFACTURING DRY ROOM(Heat transfer with phase change)
• G111 An Experimental Study of the Surface Treatment Effects on the Frosting/Defrosting Behavior of a Fin-tube Heat Exchanger(Heat exchanger fundamentals)
• F110 INVERSE PROBLEM OF DETERMINING THE UNKNOWN WALL HEAT FLUX IN A SINGLE SCREW EXTRUDER(Numerical methods-1)

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