Capillary flow along rounded interior corner of right-angle under microgravity

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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. ([email protected])
会议录名称	Proceedings of SPIE - The International Society for Optical Engineering
	2009
会议名称	International Conference on Experimental Mechanics 2008, ICEM 2008
会议日期	November 8, 2008 - November 8, 2008
会议地点	Nanjing, China
摘要	It 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.
关键词	Container 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
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收录类别	EI
语种	英语
文献类型	会议论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/60464
专题	微重力重点实验室
通讯作者	Kang, Q. ([email protected])
推荐引用方式 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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