Analysis of pulse electromagnetic electroosmotic flow of Jeffrey fluid through parallel plate microchannels under a constant pressure gradient

Li, Dongsheng; Dong, Jiayin; Li, Haibin; Wang, Xiao

doi:10.1016/j.molliq.2023.123034

Cited by 6 publications

(1 citation statement)

References 70 publications

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“…Khan et al [10] electroosmotic phenomenon in assistance of peristaltic motion as a driving force for water-based carbon nanotube fluid through a microtube. Li et al [11] presented a study on pulse electromagnetic electroosmotic flow of non-Newtonian Jeffery fluid through a parallel plate microchannel. They performed this investigation under the assumption of the constant pressure gradient.…”

Section: Introductionmentioning

confidence: 99%

Numerical exploration of electroosmotically regulated squeezing rotating flow of TiO₂/water nanofluid in a parallel plate channel under triple diffusion convection

Akram,

Akbar,

Pervaiz

et al. 2024

Phys. Scr.

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The basic motive of this article gives a rudimentary insight into the triple diffusive convective flow of ionic aqueous solution-based titanium dioxide (TiO2) nanofluid amidst two rotating parallel plates. The lower plate is stationary and permeable, allowing the lateral suction/injection of the fluid, while the upper plate is impermeable and moves towards the lower plate. The fluid flow is explored under the simultaneous implementation of electric and magnetic forces. The presence of axial electric force across the plates with an ionic solution between them generates the electroosmotic phenomenon. The Oberbeck-Boussinesq approximation is utilized to include the solutal buoyancy forces occurring due to the concentration gradient of two different solutes. The appropriate similarity transformation is used to reform the governing equations which are resolved using the built-in numerical solver bvp4c of MATLAB. The computations reveal that velocity in the case of injective flow is larger than in the case of suction through the bottom plate. The forwarding electric field contributes to the primary velocity profile at the lower plate while velocity declines near the top plate. For solutes 1 and 2, the modified Dufour number and Dufour Lewis numbers have an opposing effect on the Nusselt number at the lower and upper plates.

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Section: Introductionmentioning

confidence: 99%

Numerical exploration of electroosmotically regulated squeezing rotating flow of TiO₂/water nanofluid in a parallel plate channel under triple diffusion convection

Akram,

Akbar,

Pervaiz

et al. 2024

Phys. Scr.

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Electromagnetohydrodynamic (EMHD) flow of Jeffrey fluid through a rough circular microchannel with surface charge–dependent slip

Li,

Dong,

2024

Electrophoresis

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This research examines the electromagnetohydrodynamic (EMHD) flow of Jeffrey fluid in a rough circular microchannel while considering the effect of surface charge on slip. The channel wall corrugations are described as periodic sinusoidal waves with small amplitudes. The perturbation method is employed to derive solutions for velocity and volumetric flow rate, and a combination of three‐dimensional (3D) and two‐dimensional (2D) graphical representations is utilized to effectively illustrate the impacts of relevant parameters on them. The significance of the Reynolds number in investigations of EMHD flow is particularly emphasized. Furthermore, the effect of wall roughness and wave number on velocity and the influence of wall roughness and surface charge density on volumetric flow rate are primarily focused on, respectively, at various Reynolds numbers. The results suggest that increasing the wall roughness leads to a reduction in velocity at low Reynolds numbers () and an increment at high Reynolds numbers (). For any Reynolds number, a roughness with an odd multiple of wave number () will result in a more stable velocity profile compared to one with an even multiple of wave number (). Decreasing the relaxation time while increasing the retardation time and Hartmann number can diminish the impact of wall roughness and surface charge density on volumetric flow rate, independent of the Reynolds number. Interestingly, in the existence of wall roughness, further consideration of the effect of surface charge on slip leads to a 15% drop in volumetric flow rate at and a 32% slippage at . However, in the condition where the effect of surface charge on slip is considered, further examination of the presence of wall roughness only results in a 1.4% decline in volumetric flow rate at and a 1.6% rise at . These findings are crucial for optimizing the EMHD flow models in microchannels.

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Oscillating flow of Jeffrey fluid in a rough circular microchannel with slip boundary condition

Li,

et al. 2024

Chinese Journal of Physics

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Analysis of pulse electromagnetic electroosmotic flow of Jeffrey fluid through parallel plate microchannels under a constant pressure gradient

Cited by 6 publications

References 70 publications

Numerical exploration of electroosmotically regulated squeezing rotating flow of TiO₂/water nanofluid in a parallel plate channel under triple diffusion convection

Numerical exploration of electroosmotically regulated squeezing rotating flow of TiO₂/water nanofluid in a parallel plate channel under triple diffusion convection

Electromagnetohydrodynamic (EMHD) flow of Jeffrey fluid through a rough circular microchannel with surface charge–dependent slip

Oscillating flow of Jeffrey fluid in a rough circular microchannel with slip boundary condition

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Analysis of pulse electromagnetic electroosmotic flow of Jeffrey fluid through parallel plate microchannels under a constant pressure gradient

Cited by 6 publications

References 70 publications

Numerical exploration of electroosmotically regulated squeezing rotating flow of TiO2/water nanofluid in a parallel plate channel under triple diffusion convection

Numerical exploration of electroosmotically regulated squeezing rotating flow of TiO2/water nanofluid in a parallel plate channel under triple diffusion convection

Electromagnetohydrodynamic (EMHD) flow of Jeffrey fluid through a rough circular microchannel with surface charge–dependent slip

Oscillating flow of Jeffrey fluid in a rough circular microchannel with slip boundary condition

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Numerical exploration of electroosmotically regulated squeezing rotating flow of TiO₂/water nanofluid in a parallel plate channel under triple diffusion convection

Numerical exploration of electroosmotically regulated squeezing rotating flow of TiO₂/water nanofluid in a parallel plate channel under triple diffusion convection