Novel applications of thermally controlled microbubble driving system

Koji Takahashi, K. Yoshino, S. Hatano, K. Nagayama, Tanemasa Asano

研究成果: 会議への寄与タイプ学会誌査読

23 被引用数 (Scopus)

抄録

Novel applications of microbubble migration controlled by microheaters are proposed and demonstrated. One is a liquid-film-type motor/conveyer. Vapor or gas bubbles in the cavities on rotor are driven based on Marangoni effect caused by the microheaters on stator. The other is a "valve-less" valve, which is made of in-line microheaters at an intersection of microchannels, where a microbubble moves according to the thermocapillary force and shuts-off liquid flow due to its surface hardness with no mechanical part. With the developments of these new devices, the mechanisms of heat transfer and fluid motion around the microbubble are discussed.

本文言語英語
ページ286-289
ページ数4
出版ステータス出版済み - 1月 1 2001
イベント14th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2001) - Interlaken, スイス
継続期間: 1月 21 20011月 25 2001

その他

その他14th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2001)
国/地域スイス
CityInterlaken
Period1/21/011/25/01

!!!All Science Journal Classification (ASJC) codes

  • 制御およびシステム工学
  • 機械工学
  • 電子工学および電気工学

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