Wettability improvement by plasma irradiation and its applications to phase-change phenomena

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)

抄録

Plasma irradiation is one of the techniques to improve surface wettability. This technique can be used to enhance heat transfer of liquid-vapor phase change. For instance, evaporation of a water droplet can be enhanced by plasma irradiation. The relation between plasma irradiation time and contact angle was examined first for three metals and then the lifetime of a water drop on a hot surface was measured changing the surface wettability by plasma irradiation. The lifetime of the water drop decreased and the wetting limit temperature increased with the increasing irradiation time of plasma. Hydrophilicity by plasma irradiation is not a permanent effect but it will be useful for enhancement of cooling of hot metal.

本文言語英語
ページ(範囲)549-555
ページ数7
ジャーナルHeat Transfer Engineering
30
7
DOI
出版ステータス出版済み - 6 2009

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 機械工学
  • 流体および伝熱

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