PMID: 19113485Dec 31, 2008Paper

Dynamic characterization of permeabilities and flows in microchannels

Physical Review Letters
M CastroE Corvera Poiré

Abstract

We make an analytical study of the nonsteady flow of Newtonian fluids in microchannels. We consider the slip boundary condition at the solid walls with Navier hypothesis and calculate the dynamic permeability, which gives the system's response to dynamic pressure gradients. We find a scaling relation in the absence of slip that is broken in its presence. We discuss how this might be useful to experimentally determine--by means of microparticle image velocimetry technology--whether slip exists or not in a system, the value of the slip length, and the validity of Navier hypothesis in dynamic situations.

References

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Citations

Sep 26, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Aditya Bandopadhyay, Suman Chakraborty
Oct 11, 2019·Royal Society Open Science·Diana YáñezEugenia Corvera Poiré
Feb 17, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·M E Bravo-GutiérrezE Corvera Poiré

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