5 Result(s)
within
M. A. Alves
Analytical Chemistry
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Article
Pressure-driven electrokinetic slip flows of viscoelastic fluids in hydrophobic microchannels
This work investigates the steady-state slip flow of viscoelastic fluids in hydrophobic two-dimensional microchannels under the combined influence of electro-osmotic and pressure gradient forcings with symmetr...
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Article
Microdevices for extensional rheometry of low viscosity elastic liquids: a review
Extensional flows and the underlying stability/instability mechanisms are of extreme relevance to the efficient operation of inkjet printing, coating processes and drug delivery systems, as well as for the gen...
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Article
Forced convection in electro-osmotic/Poiseuille micro-channel flows of viscoelastic fluids: fully developed flow with imposed wall heat flux
The analytical solution for heat transfer in a dynamic and thermally fully developed channel flow of the simplified Phan-Thien–Tanner fluid induced by combined electro-osmosis and pressure gradient was obtaine...
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Article
Microfluidic systems for the analysis of viscoelastic fluid flow phenomena in porous media
In this study, two microfluidic devices are proposed as simplified 1-D microfluidic analogues of a porous medium. The objectives are twofold: firstly to assess the usefulness of the microchannels to mimic the ...
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Article
Effect of the skimming layer on electro-osmotic—Poiseuille flows of viscoelastic fluids
An analytical solution is derived for the micro-channel flow of viscoelastic fluids by combined electro-osmosis and pressure gradient forcing. The viscoelastic fluid is described by the Phan-Thien–Tanner model...
