Numerical Simulation of Flow Characteristic in Microchannel between Parallel Flat Plates

Yan Qiu Pan; Peng Lu; Lu Yu; Xin Min Han; Fa Quan Gong; Wan Fa Liu; Feng Ting Sang

doi:10.4028/www.scientific.net/AMM.423-426.1763

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 423-426Numerical Simulation of Flow Characteristic in...

Numerical Simulation of Flow Characteristic in Microchannel between Parallel Flat Plates

Abstract:

A mathematical model was developed in describing flow behaviors of a microchannel between two parallel flat plates. The model was solved numerically using the commercial software, Fluent, and the effect of microchannel size and structure on the transition Reynolds number (R_ec) was analyzed. Comparison between model prediction and experimental data in literature shows a good agreement, which verifies the reliability of the model. The results also show that the equivalent diameter has little effect on R_ec. The magnitude of the R_ec depends largely upon the contraction ratio. Consequently, the R_ecs under different contraction ratios were determined, which provides a theoretical basis for performance analysis and optimization of microchannel.

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Periodical:

Applied Mechanics and Materials (Volumes 423-426)

Pages:

1763-1767

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.423-426.1763

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Online since:

September 2013

Authors:

Yan Qiu Pan, Peng Lu, Lu Yu, Xin Min Han, Fa Quan Gong, Wan Fa Liu, Feng Ting Sang

Keywords:

Contraction Section, Micro-Channel, Numerical Simulation, Transition Flow

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