Flow field analysis in a spiral viscous micropump

Yousef Haik; Mohammad Kilani; Jason Hendrix; Omar Al Rifai; Paul Galambos

doi:10.1007/s10404-006-0143-2

Flow field analysis in a spiral viscous micropump

Yousef Haik, Mohammad Kilani, Jason Hendrix, Omar Al Rifai, Paul Galambos

Department of Mechanical and Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The paper presents a stream function solution and a computational analysis for the flow field of a viscous spiral pump, which employs a rotating spiral channel to achieve pumping action. This pump is fabricated using surface micromachining technology. The stream function solution employs a simplified 2D model for the flow field in its spiral channel that neglects the curvature of the spiral, and replaces it with an equivalent straight channel. The effect of spiral wall height on flow rate is analyzed and discussed. 3D computational analyses are obtained and are compared with analytical predictions.

Original language	English
Pages (from-to)	527-535
Number of pages	9
Journal	Microfluidics and Nanofluidics
Volume	3
Issue number	5
DOIs	https://doi.org/10.1007/s10404-006-0143-2
Publication status	Published - Oct 2007

Keywords

Numerical simulation
Spiral micropump
Stream function formulation
Viscous micropump

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Materials Chemistry

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10.1007/s10404-006-0143-2

Cite this

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AU - Rifai, Omar Al

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PY - 2007/10

Y1 - 2007/10

N2 - The paper presents a stream function solution and a computational analysis for the flow field of a viscous spiral pump, which employs a rotating spiral channel to achieve pumping action. This pump is fabricated using surface micromachining technology. The stream function solution employs a simplified 2D model for the flow field in its spiral channel that neglects the curvature of the spiral, and replaces it with an equivalent straight channel. The effect of spiral wall height on flow rate is analyzed and discussed. 3D computational analyses are obtained and are compared with analytical predictions.

AB - The paper presents a stream function solution and a computational analysis for the flow field of a viscous spiral pump, which employs a rotating spiral channel to achieve pumping action. This pump is fabricated using surface micromachining technology. The stream function solution employs a simplified 2D model for the flow field in its spiral channel that neglects the curvature of the spiral, and replaces it with an equivalent straight channel. The effect of spiral wall height on flow rate is analyzed and discussed. 3D computational analyses are obtained and are compared with analytical predictions.

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KW - Spiral micropump

KW - Stream function formulation

KW - Viscous micropump

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Flow field analysis in a spiral viscous micropump

Abstract

Keywords

ASJC Scopus subject areas

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