E206 EFFECTS OF HYDROPHILIC SURFACE TREATMENT ON EVAPORATION HEAT TRANSFER AT THE OUTSIDE WALL OF ENHANCED TUBES(Evaporation-1)

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概要

• 論文の詳細を見る

• An experimental study has been carried out to investigate the effects of hydrophilic surface treatment on evaporation heat transfer on the outside wall of various modified copper tubes. Spiral, corrugated, and low-finned tubes were selected as test tubes. Hydrophilic treatment using plasma increased the wettability of distilled water on copper tubes. The experimental results indicate that the evaporation heat transfer rate of hydrophilic treatment tubes was enhanced by 10-24% for corrugated tubes, about 10% for spiral tubes, and 10-23% for low-finned tubes, at evaporation pressure of 31.8 Torr. In addition, experimental results on the effects of evaporator inlet temperature, of evaporator's internal flow rate, and of evaporation pressure are presented.

• 一般社団法人日本機械学会の論文
• 2000-10-01

著者

• Hwang Kyu

  Flow Control Research Center Korea Institute Of Science And Technology

• Kang Byung

  Thermal

• Kim Ho-Young

  Flow Control Research Center Korea Institute of Science and Technology

• Park Nho

  Thermal

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