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Evaporation of Ethanol Drops on a Heated Substrate Under Microgravity Conditions
Brutin D; Zhu ZQ(朱志强); Rahli O; Jie JC(解京昌); Liu QS(刘秋生); Tadrist L; Liu QS
Source PublicationMicrogravity Science and Technology
AbstractWe present in this paper results obtained from a parabolic flight campaign regarding ethanol sessile drop evaporation under reduced gravity conditions. Drops are created using a syringe pump by means of injection through a PTFE (polytetrafluoroethylene) substrate. The drops are recorded using a video camera and an infrared camera to observe the thermal motion inside the drop and on the heating substrate. The experimental set-up presented in this paper enables the simultaneous visualization and access to the heat flux density that is transferred to the drop using a heat flux meter placed between the heating block and the PTFE substrate. We evidence original thermal spreading phenomena during the ethanol drop creation on a heated PTFE substrate. The drop exhibits specific behaviour which is discussed here. This work is performed in the frame of a French-Chinese collaboration (project IMPACHT) for future experiments in a Chinese scientific satellite.
KeywordInfrared Visualization Sessile Drop Liquid Spreading Capillary Forces Drop Evaporation Contact-angle Liquid Droplets Temperature Surfaces Thermography Convection
Indexed BySCI
WOS IDWOS:000281257700017
WOS Research AreaEngineering ; Thermodynamics ; Mechanics
WOS SubjectEngineering, Aerospace ; Thermodynamics ; Mechanics
Funding OrganizationCentre National d'Etudes Spatiales
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLiu QS
Recommended Citation
GB/T 7714
Brutin D,Zhu ZQ,Rahli O,et al. Evaporation of Ethanol Drops on a Heated Substrate Under Microgravity Conditions[J]. Microgravity Science and Technology,2010,22(3):387-395.
APA Brutin D.,朱志强.,Rahli O.,解京昌.,刘秋生.,...&Liu QS.(2010).Evaporation of Ethanol Drops on a Heated Substrate Under Microgravity Conditions.Microgravity Science and Technology,22(3),387-395.
MLA Brutin D,et al."Evaporation of Ethanol Drops on a Heated Substrate Under Microgravity Conditions".Microgravity Science and Technology 22.3(2010):387-395.
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