Numerical Simulation of Velocity Distribution among Microchannels with Bifurcation Structures as Manifolds

Xiao Ling Wei; Qing Hui Wang; Min Qiang Pan

doi:10.4028/www.scientific.net/AMR.108-111.1009

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 108-111Numerical Simulation of Velocity Distribution...

Numerical Simulation of Velocity Distribution among Microchannels with Bifurcation Structures as Manifolds

Abstract:

Manifold structure shows important effects on the velocity distribution among parallel microchannels. The bifurcation structure was adopted as the manifolds of microchannel array in a plane and a specific case was illustrated to estimate the effects of structural parameters on the velocity distribution using numerical simulation. Simulation result indicated that the velocity distribution appeared to be double W-shape, and somewhat symmetrical. In addition, the velocity values in each W-shape distribution also appeared symmetrical. It also indicated that two bifurcation channels from the same low-level bifurcation channel had different velocity values due to different singular losses. Larger microchannel length, smaller microchannel width or depth, larger RW or RL, suitable RZ were favor in obtaining relatively uniform velocity distribution among microchannels.

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Periodical:

Advanced Materials Research (Volumes 108-111)

Pages:

1009-1012

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.108-111.1009

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Online since:

May 2010

Authors:

Xiao Ling Wei, Qing Hui Wang, Min Qiang Pan

Keywords:

Bifurcation Structure, Microchannel Array, Numerical Simulation, Velocity Distribution

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