Investigation of Hall current and slip conditions on peristaltic transport of Cu-water nanofluid in a rotating medium

Abstract

Main objective of present study is to analyze the effect of rotation on peristaltic transport of copper-water nanofluid. Two phase nanofluid is employed. The fluid fills the porous space. The channel walls are taken flexible. Hall current and viscous dissipation effects are also given consideration in the modeling. Analysis also studies the slip conditions in presence of heat generation/absorption. Resulting coupled system of equations is simplified by employing lubrication approach. Exact solutions are presented for the stream function whereas energy equation is solved numerically. Impact of sundry parameters on flow quantities are discussed and displayed via graphs. It is concluded that both axial (u) and secondary (v) velocities are reduced for increasing nanoparticle volume fraction (ϕ). Hartman number (M) and Hall parameter (m) have opposite effects on the velocity. Temperature (θ) enhances for increasing Hartman number (M).