INTERACTION OF PULSATILE FLOW WITH PERISTALTIC TRANSPORT OF A VISCOELASTIC FLUID: CASE OF A MAXWELL FLUID

Author:

RACHID H.1,OUAZZANI M. T.1

Affiliation:

1. Laboratory of Mechanics, Department of Physics, Faculty of Sciences Ain Chock, University Hassan II, Maarif, Casablanca, BP 5366, Morocco

Abstract

This article analytically investigates the interaction of pulsatile flow with peristaltic transport of a viscoelastic Maxwell fluid in a cylindrical tube. The flow is considered unsteady even in the wave frame analysis where we impose a periodic pressure gradient. This transport is studied under low Reynolds number and long wavelength approximations. The governing equations are developed up to the second-order in the Deborah number and the Womersley number. We first analyzed the impact of the pulsatile flow, of the occlusion and of the viscoelastic effects of fluid on the pressure rise and on the friction force. Physical behavior of different parameters of the problem has been graphically presented and the influence of these parameters on the mechanical efficiency has been analyzed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

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