Pulsatile electroosmotic flow of a Maxwell fluid in a parallel flat plate microchannel with asymmetric zeta potentials

被引：19

作者：

Peralta, M. ^{[1
]}

Bautista, O. ^{[1
]}

Mendez, F. ^{[2
]}

Bautista, E. ^{[1
]}

机构：

[1] Inst Politecn Nacl, Secc Estudios Posgrad & Invest ESIME Azcapotzalco, Ciudad De Mexico 02250, Mexico

[2] Univ Nacl Autonoma Mexico, Fac Ingn, Ciudad De Mexico 04510, Mexico

来源：

APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION | 2018年 / 39卷 / 05期

关键词：

pulsatile electroosmotic flow (PEOF); flat plate microchannel; asymmetric zeta potential; Maxwell fluid; SLIT MICROCHANNEL; MICROCAPILLARY; ENHANCEMENT; TRANSPORT; PIPE;

D O I：

10.1007/s10483-018-2328-6

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The pulsatile electroosmotic flow (PEOF) of a Maxwell fluid in a parallel flat plate microchannel with asymmetric wall zeta potentials is theoretically analyzed. By combining the linear Maxwell viscoelastic model, the Cauchy equation, and the electric field solution obtained from the linearized Poisson-Boltzmann equation, a hyperbolic partial differential equation is obtained to derive the flow field. The PEOF is controlled by the angular Reynolds number, the ratio of the zeta potentials of the microchannel walls, the electrokinetic parameter, and the elasticity number. The main results obtained from this analysis show strong oscillations in the velocity profiles when the values of the elasticity number and the angular Reynolds number increase due to the competition among the elastic, viscous, inertial, and electric forces in the flow.

引用

页码：667 / 684

页数：18

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