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Drop Tower Experiment to Study the Capillary Flow in Symmetrical and Asymmetrical Channels: Experimental Set-up and Preliminary Results
Chen XL(陈晓亮); Gao Y; Liu QS(刘秋生); Liu, QS (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China.; Liu, QS (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
Source PublicationMICROGRAVITY SCIENCE AND TECHNOLOGY
2016
Volume28Issue:5Pages:569-574
ISSN0938-0108
AbstractOwing to the development of the space exploration activities, the in-orbit management of fluids such as the transportation of propellant liquid in microgravity becomes the important direction of microgravity fluid research, and one of main problems is the stability behaviors of free surface flow in capillary channel of PMD. In the present study, an experiment set-up of the fluid transport with two different capillary channels has been developed on the Beijing Drop Tower platform. Both symmetrical and asymmetrical flow channels, with the same cross-sectional areas and lengths and different cross-sectional geometries were used and HFE-7500 is chosen as test liquid. 10 times of the drop-down experiments were performed for investigation of the capillary flow characters in different volumetric flow rates, and the three main patterns of capillary flows: subcritical flow, critical flow and supercritical flow were found in experiments, these patterns are distinguished by the movement of the point of lowest surface over time. Meanwhile, the critical flow rates at which free surface becomes instable observed in our experiments are (1) 2.7 +/- 0.2ml/s for the critical flow rate of asymmetrical channel; and (2) 2.2 +/- 0.2ml/s for symmetrical channel flow, respectively.
KeywordCapillary Channel Flow Interface Stability Critical Flow Rate Drop Tower
DOI10.1007/s12217-016-9512-y
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000383499600010
WOS KeywordCapillary channel flow ; Interface stability ; Critical flow rate ; Drop tower
WOS Research AreaEngineering ; Thermodynamics ; Mechanics
WOS SubjectEngineering, Aerospace ; Thermodynamics ; Mechanics
Funding OrganizationThis research was financially supported by National Natral Science Foundation of China (Grants No. 11532015), China National High-tech R&D Program and the Strategic Priority Research Program on Space Science, the Chinese Academy of Sciences
DepartmentNML流动稳定性与复杂流动
Classification二类
RankingTrue
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59721
Collection国家微重力实验室
Corresponding AuthorLiu, QS (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China.; Liu, QS (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
Chen XL,Gao Y,Liu QS,et al. Drop Tower Experiment to Study the Capillary Flow in Symmetrical and Asymmetrical Channels: Experimental Set-up and Preliminary Results[J]. MICROGRAVITY SCIENCE AND TECHNOLOGY,2016,28(5):569-574.
APA 陈晓亮,Gao Y,刘秋生,Liu, QS ,&Liu, QS .(2016).Drop Tower Experiment to Study the Capillary Flow in Symmetrical and Asymmetrical Channels: Experimental Set-up and Preliminary Results.MICROGRAVITY SCIENCE AND TECHNOLOGY,28(5),569-574.
MLA 陈晓亮,et al."Drop Tower Experiment to Study the Capillary Flow in Symmetrical and Asymmetrical Channels: Experimental Set-up and Preliminary Results".MICROGRAVITY SCIENCE AND TECHNOLOGY 28.5(2016):569-574.
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