Experimental study on condensate droplets movements in Marangoni condensation of ethanol-water mixture vapors on a horizontal surface

  • Jinshi Wang
  • , Guangyao Liu
  • , Yong Li
  • , Nana Chen
  • , Junjie Yan

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

Abstract

In this paper, an experimental system for Marangoni condensation of ethanol-water mixture vapors on a horizontal surface was designed and set up. Marangoni condensation under different experimental conditions was carried out, and the droplets movements were observed and recorded by the high speed camera. The movement velocity was measured and analyzed under different experimental conditions. As the vapor-to-surface temperature difference decreased, the droplet movement velocity decreased and the movement direction changed from negative to positive axis gradually. As the ethanol vapor concentration and the vapor velocity increased, the droplet movement velocity decreased and the vapor-to-surface temperature difference corresponding to the zero movement velocity increased.

Original languageEnglish
Title of host publicationProceedings of the 3rd Thermal and Fluid Engineering Summer Conference, TFESC 2018
PublisherBegell House Inc.
Pages1693-1696
Number of pages4
ISBN (Electronic)9781567004724
DOIs
StatePublished - 2018
Event3rd Thermal and Fluid Engineering Summer Conference, TFESC 2018 - Fort Lauderdale, United States
Duration: 4 Mar 20187 Mar 2018

Publication series

NameProceedings of the Thermal and Fluids Engineering Summer Conference
Volume2018-March
ISSN (Electronic)2379-1748

Conference

Conference3rd Thermal and Fluid Engineering Summer Conference, TFESC 2018
Country/TerritoryUnited States
CityFort Lauderdale
Period4/03/187/03/18

Keywords

  • Droplets movements
  • Horizontal surface
  • Marangoni condensation

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