The characteristics of fully-developed, laminar, pressure-driven, incompressible flow in rough circular microchannels are studied. A novel analytical model is developed that predicts the increase in pressure drop due to wall roughness in microtubes. The wall roughness is assumed to posses a Gaussian isotropic distribution. The present model is compared with experimental data, collected by other researchers and good agreement is observed.
- Nanotechnology Institute
Pressure Drop of Fully-Developed, Laminar Flow in Rough Microtubes
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Bahrami, M, Yovanovich, MM, & Culham, JR. "Pressure Drop of Fully-Developed, Laminar Flow in Rough Microtubes." Proceedings of the ASME 3rd International Conference on Microchannels and Minichannels. ASME 3rd International Conference on Microchannels and Minichannels, Parts A and B. Toronto, Ontario, Canada. June 13–15, 2005. pp. 259-268. ASME. https://doi.org/10.1115/ICMM2005-75108
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