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Capillary flow along rounded interior corner of right-angle under microgravity
Kang Q(康琦); Hou R(侯瑞); Duan L(段俐); Hu L(胡良); Kang, Q. (
Source PublicationProceedings of SPIE - The International Society for Optical Engineering
Conference NameInternational Conference on Experimental Mechanics 2008, ICEM 2008
Conference DateNovember 8, 2008 - November 8, 2008
Conference PlaceNanjing, China
AbstractIt is crucial to investigate the capillary driven flows along interior corners because of the interior corners of space fluid management devices provide the main conduits for the transfer of fluids. In many instances, the interior corners are not perfectly sharp but rather possess a degree of roundedness due to the design or fabrication. In this work, the problem of capillary flows along rounded interior corners is revisited experimentally. Four test cells which are made of PMMA are designed. The cross sections of the four cells are the same pentagon except that one 900 corners are rounded with different radius R0 (sharp corner), R2.4, R4.8, R6, respectively. Four kinds of liquids are used in the microgravity drop tower tests, i.e. KF96-5 silicone oil, KF96-10, KF96-50 and Fluorinert liquid FC-70. The experimental results show that the advancing meniscus tip location of the fluid in the corner L (mm) is affected by container geometry and fluid properties. These experimental results are valuable to better understand the capillary flow and also can provide scientific guidance for the design and analysis of space fluid management systems. © 2009 SPIE.
KeywordContainer Geometry Cross Section Design And Analysis Drop Towers Fluid Management Fluid Property Fluorinert Liquid Interior Corner Sharp Corners Silicone Oil Space Fluid Management Test Cell
Indexed ByEI
Document Type会议论文
Corresponding AuthorKang, Q. (
Recommended Citation
GB/T 7714
Kang Q,Hou R,Duan L,et al. Capillary flow along rounded interior corner of right-angle under microgravity[C]Proceedings of SPIE - The International Society for Optical Engineering,2009.
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