Results 21 to 30 of about 8,618,238 (284)

Analyses of electrokinetic energy conversion for periodic electromagnetohydrodynamic (EMHD) nanofluid through the rectangular microchannel under the Hall effects

open access: yesOpen Physics, 2022
Two-dimensional electromagnetohydrodynamic behavior of nanofluids through rectangular microchannels is investigated. The combined effects of time-periodic pressure gradients and magnetic fields in terms of the Hall effects on nanofluid flow are ...
Zhang Jiali   +4 more
doaj   +1 more source

Streaming Potential in Paper Chromatography [PDF]

open access: yesNature, 1949
THE net resultant flow of solvent through the capillary channels of paper used in chromatography is in a direction away from the point of feed, and it was therefore considered possible that such a system might result in the setting up of a streaming potential1.
openaire   +2 more sources

Ionic Fracture Fluid Leak-Off

open access: yesFluids, 2019
The study is motivated by monitoring the space orientation of a hydrolic fracture used in oil production. Streaming potential arises due to the leakage of ionic fracking fluid under the rock elastic forces which make the fracture disclosure disappear ...
Vladimir Shelukhin, Mikhail Epov
doaj   +1 more source

Ion Separations Based on Spontaneously Arising Streaming Potentials in Rotating Isoporous Membranes

open access: yesMembranes, 2022
Highly selective ion separations are vital for producing pure salts, and membrane-based separations are promising alternatives to conventional ion-separation techniques.
Chao Tang   +2 more
doaj   +1 more source

Accessing and engaging with video streams for educational purposes: experiences, issues and concerns [PDF]

open access: yes, 2005
Video streaming has the potential to offer tutors a more flexible and accessible means of incorporating moving images into learning resources for their students than conventional video.
Ottewill, Roger   +8 more
core   +1 more source

Electrical streaming potential precursors to catastrophic earthquakes in China

open access: yesAnnals of Geophysics, 1997
The majority of anomalies in self-potential at 7 stations within 160 km from the epicentre showed a similar pattern of rapid onset and slow decay during and before the M 7.8 Tangshan earthquake of 1976. Considering that some of these anomalies associated
F. Qian, B. Zhao, Y. Zhao
doaj   +1 more source

Theoretical analysis of transient natural convection flow in a vertical microchannel with electrokinetic effect

open access: yesJournal of Taibah University for Science, 2019
In this article, a theoretical analysis is carried out to understand the role of electrokinetic effect on transient natural convection flow in a vertical microchannel.
Michael O. Oni, Basant K. Jha
doaj   +1 more source

Steady electrodiffusion in hydrogel-colloid composites: macroscale properties from microscale electrokinetics

open access: yesAnais da Academia Brasileira de Ciências, 2010
A rigorous microscale electrokinetic model for hydrogel-colloid composites is adopted to compute macroscale profiles of electrolyte concentration, electrostatic potential, and hydrostatic pressure across membranes that separate electrolytes with ...
Reghan J. Hill
doaj   +1 more source

Electrokinetic energy conversion of nanofluids in porous microtubes with Green’s function

open access: yesOpen Physics, 2023
Micro-devices fabrication has led to extensive scientific research on microfluidics and microelectromechanical systems. These devices are used for a wide range of technological applications, but research on microfluidic devices for nanofluids is ...
Gao Xue   +3 more
doaj   +1 more source

The Impacts of Viscoelastic Behavior on Electrokinetic Energy Conversion for Jeffreys Fluid in Microtubes

open access: yesNanomaterials, 2022
In this paper, the electrokinetic energy conversion (EKEC) efficiency, streaming potential of viscoelastic fluids in microtubes under an external transversal magnetic field, and an axial pressure gradient are investigated.
Na Li   +4 more
doaj   +1 more source

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