A study of the influence of initial liquid volume on the capillary flow in an interior corner under microgravity |
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| Authors: | Cai-Xia Wang Sheng-Hua Xu Zhi-Wei Sun Wen-Rui Hu |
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| Affiliation: | 1. Laboratory of Green Chemistry, Faculty of Technology, Lappeenranta University of Technology, Mikkeli FI-50100, Finland;2. Department of Chemistry, College of Science, Sultan Qaboos University, P.O. Box. 36., P.C. 123, Al-Khoudh, Muscat, Oman;3. Department of Chemical Engineering, Kwangwoon University, Seoul 139-701, Korea;4. Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden;1. School of Physical Electronics, University of Electronic Science and Technology, Chengdu 610054, China;2. Laboratory for Shock Wave and Detonation Physics Research, Southwest Institute of Fluid Physics, Mianyang 621900, China;1. School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;2. State Key Lab of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China;3. Hubei Subsurface Multi-scale Imaging Key Laboratory, Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, China;1. School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an, China;2. Shaanxi Key Laboratory of Energy Chemical Process Intensification, Xi’an Jiaotong University, Xi’an, China;3. State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an, China |
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| Abstract: | In this work the influence of initial liquid volume on the capillary flow in an interior corner is studied systematically by microgravity experiments using the drop tower, under three different conditions: the Concus–Finn condition is satisfied, close to and dissatisfied. The capillary flow is studied by discussing the movement of tip of the meniscus in the corner. Experimental results show that with the increase of initial liquid volume the tip location increases for a given microgravity time, the achievable maximum tip velocity increases and the flow reaches its maximum tip velocity earlier. However, the results for the three different conditions show some difference. |
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