Electro-osmotic flow of a third-grade fluid past a channel having stretching walls

Nonlinear engineering: Modeling and application

article

Mamata Parida¹  Sudarsan Padhy¹ 

[1] Department of Mathematics, Utkal University

关键词: Electro-osmosis;    Damped Newton’s method;    Third-grade fluid;    Coefficient of skin-friction;   

DOI  :  10.1515/nleng-2017-0112

来源: De Gruyter

【 摘 要 】

The electro-osmotic flow of a third grade fluid past a channel having stretching walls has been studied in this paper. The channel height is taken much greater than the thickness of the electric double layer comprising of the Stern and diffuse layers. The equations governing the flow are obtained from continuity equation, the Cauchy’s momentum equation and the Poisson-Boltzmann equation. The Debye-Hückel approximation is adopted to linearize the Poisson-Boltzmann equation. Suitable similarity transformations are used to reduce the resulting non-linear partial differential equation to ordinary differential equation. The reduced equation is solved numerically using damped Newton’s method. The results computed are presented in form of graphs.

【 授权许可】

Unknown