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Bifurcating channels supplying "numbered-up" microreactors
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SYSNO ASEP 0367393 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Bifurcating channels supplying "numbered-up" microreactors Author(s) Tesař, Václav (UT-L) RID Number of authors 1 Source Title Chemical Engineering Research and Design. - : Elsevier - ISSN 0263-8762
Roč. 89, č. 12A (2011), s. 2507-2020Number of pages 14 s. Language eng - English Country GB - United Kingdom Keywords microfluidics ; branched channels ; geometric self-similarity Subject RIV BK - Fluid Dynamics R&D Projects GCP101/11/J019 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20760514 - UT-L (2005-2011) UT WOS 000298720300003 DOI 10.1016/j.cherd.2011.05.002 Annotation Branching channels that supply fluids into microdevices on the surface of a microchip are assumed to be made by isotropic etching – and therefore of the same depths. To handle larger flow rates they have to be wide and occupy a substantial proportion of the available surface area. Although the branching pattern resembles fractal objects, the constant depth makes the fractal theory inadequate. Evaluation of surface areas occupied by the three basic components of the system – the devices, the sealing strips, and the channels – shows the limit of reasonable area usage is reached at a rather low branching level. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2012 Electronic address http://www.sciencedirect.com/science/article/pii/S0263876211001821
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