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A passive through hole microvalve for capillary flow control in microfluidic systems
Alternative Title论文其他题名
Du X.; Zhang P.; Liu Y. S.; Wu Y. H.
2011
Source PublicationSensors and Actuators a-Physical
ISSN0924-4247
Volume165Issue:2Pages:288-293
AbstractA passive through hole microvalve is proposed to stop the capillary-driven flow in microchannels with small static contact angle (theta(s) < 45 degrees). Its gating condition on regulating flow is derived based on contact line theory. Using numerical simulations in certain limits and some experiments, we investigated the valve performance of a few different valve designs. A kind of converging through hole microvalve is found which can stop the relative faster capillary flow and is easier to fabricate and integrate. It is shown that allowable flow velocity for DI water could reach 0.5 m/s, and the height of microvalve could be as short as to 20 mu m. (C) 2010 Elsevier B.V. All rights reserved.
Indexed BySCI ; EI
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/26091
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Du X.,Zhang P.,Liu Y. S.,et al. A passive through hole microvalve for capillary flow control in microfluidic systems[J]. Sensors and Actuators a-Physical,2011,165(2):288-293.
APA Du X.,Zhang P.,Liu Y. S.,&Wu Y. H..(2011).A passive through hole microvalve for capillary flow control in microfluidic systems.Sensors and Actuators a-Physical,165(2),288-293.
MLA Du X.,et al."A passive through hole microvalve for capillary flow control in microfluidic systems".Sensors and Actuators a-Physical 165.2(2011):288-293.
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