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Experimental Investigation of Pendant and Sessile Drops in Microgravity
Zhu ZQ(朱志强); Brutin D; Liu QS(刘秋生); Wang Y(汪洋); Mourembles A; Jie JC(解京昌); Tadrist L; Liu QS
Source PublicationMicrogravity Science and Technology
AbstractThe experiments regarding the contact angle behavior of pendant and sessile evaporating drops were carried out in microgravity environment. All the experiments were performed in the Drop Tower of Beijing, which could supply about 3.6 s of microgravity (free-fall) time. In the experiments, firstly, drops were injected to create before microgravity. The wettability at different surfaces, contact angles dependance on the surface temperature, contact angle variety in sessile and pendant drops were measured. Different influence of the surface temperature on the contact angle of the drops were found for different substrates. To verify the feasibility of drops creation in microgravity and obtain effective techniques for the forthcoming satellite experiments, we tried to inject liquid to create bigger drop as soon as the drop entering microgravity condition. The contact angle behaviors during injection in microgravity were also obtained.
KeywordDrop Evaporation Contact Angle Wettability Drop Tower Contact-angle Evaporation Rates Surface Droplets Water Vaporization Combustion
Indexed BySCI
WOS IDWOS:000281257700011
WOS Research AreaEngineering ; Thermodynamics ; Mechanics
WOS SubjectEngineering, Aerospace ; Thermodynamics ; Mechanics
Funding OrganizationNational Natural Science Foundation of China [10772185, 50890182] ; Institute of Mechanics/CAS
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLiu QS
Recommended Citation
GB/T 7714
Zhu ZQ,Brutin D,Liu QS,et al. Experimental Investigation of Pendant and Sessile Drops in Microgravity[J]. Microgravity Science and Technology,2010,22(3):339-345.
APA 朱志强.,Brutin D.,刘秋生.,汪洋.,Mourembles A.,...&Liu QS.(2010).Experimental Investigation of Pendant and Sessile Drops in Microgravity.Microgravity Science and Technology,22(3),339-345.
MLA 朱志强,et al."Experimental Investigation of Pendant and Sessile Drops in Microgravity".Microgravity Science and Technology 22.3(2010):339-345.
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