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Fluid Flow Through Microscale Fractal-Like Branching Channel Networks

[+] Author Affiliations
Ali Y. Alharbi

PAAET – College of Technological Studies, Shuwaikh, Kuwait

Deborah V. Pence, Rebecca N. Cullion

Oregon State University, Corvallis, OR

Paper No. ICMM2003-1115, pp. 869-877; 9 pages
doi:10.1115/ICMM2003-1115
From:
  • ASME 2003 1st International Conference on Microchannels and Minichannels
  • 1st International Conference on Microchannels and Minichannels
  • Rochester, New York, USA, April 24–25, 2003
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-3667-3
  • Copyright © 2003 by ASME

abstract

Flow through fractal-like branching flow networks is investigated using a three-dimensional computational fluid dynamics approach. Results are used to assess the validity of, and provide insight for improving, assumptions imposed in a one-dimensional model previously developed. Assumptions in the one-dimensional model include (1) reinitiating boundary layers following each bifurcation, (2) negligible minor losses at the bifurcations, and (3) constant thermophysical fluid properties. It is concluded that the temperature dependence of fluid properties, boundary layer development, and minor losses following a bifurcation are not negligible in analyses of branching flow networks.

Copyright © 2003 by ASME

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