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Enhancement of capillary condensation in extended nanospace for high-performance micro heat pipe device

  • Kentaro Kasai*
  • , Chenxi Wang
  • , Hisashi Shimizu
  • , Yutaka Kazoe
  • , Kazuma Mawatari
  • , Takehiko Kitamori
  • *Corresponding author for this work
  • The University of Tokyo
  • Japan Science and Technology Agency

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We developed a facile measurement method of capillary condensation speed of water on nanopillars. The results show a significant enhancement of the condensation speed in nanospace compared to the bulk space. This phenomenon is utilized to achieve a novel "extended-nano heat pipe device", in which a non-electric cooling is expected to be realized. Our findings demonstrate a significantly high speed condensation (3 times) in nanospace for the first time and this specific property is adopted for realizing high-performance cooling devices.

Original languageEnglish
Title of host publication17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013
PublisherChemical and Biological Microsystems Society
Pages1577-1579
Number of pages3
ISBN (Print)9781632666246
StatePublished - 2013
Externally publishedYes
Event17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013 - Freiburg, Germany
Duration: 27 Oct 201331 Oct 2013

Publication series

Name17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013
Volume3

Conference

Conference17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2013
Country/TerritoryGermany
CityFreiburg
Period27/10/1331/10/13

Keywords

  • Capillary force
  • Condensation
  • Evaporation
  • Nanofluidics
  • Nanopillar

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