Transient Electroosmosis of a Maxwell fluid in a Rotating Microchannel

TL;DR

This paper investigates the complex transient electroosmotic flow of Maxwell fluids in rotating microchannels, combining analytical and numerical methods to understand flow dynamics relevant to bio-fluidic microsystems.

Contribution

It provides a combined analytical and numerical analysis of transient electroosmotic flow of Maxwell fluids in rotating microchannels, highlighting flow regimes and flow rate characteristics.

Findings

Analytical and numerical solutions agree well.

Flow dynamics are significantly affected by rotation and rheology.

Results have potential applications in bio-fluidic microsystems.

Abstract

The transient electroosmotic flow of Maxwell fluid in a rotating microchannel is investigated both analytically and numerically. We bring out the complex dynamics of the flow during the transience due to the combination of rotation and rheological effects. We show the regimes of operation under which our analysis holds the most significance. We also shed some light on the volumetric flow rate characteristics as dictated by the underlying flow physics. Analytical solution compares well with the numerical solution. We believe that the results from the present study could potentially have far reaching applications in bio-fluidic microsystems where fluids such as blood, mucus and saliva may be involved.