S SHANKAR BHATT
Articles written in Pramana – Journal of Physics
Volume 96 All articles Published: 25 April 2022 Article ID 0089 Research Article
Surface roughness analysis on the peristaltic pumping flow model
RAHUL SHUKLA AMIT MEDHAVI S SHANKAR BHATT RAGHUVIR KUMAR D TRIPATHI
This study presents a surface roughness analysis of the mechanism of peristaltic flow in viscous fluids through a diverging cylindrical tube.
The effects of different heights of surface roughness of the inner walls of a diverging tube have been included in the analysis. Formulation of
the problem is done based on the continuity and momentum equations in a cylindrical coordinate system. A standard lubrication approach is
adopted to simplify the formulations for exact solutions. The influence of surface roughness of the tube wall on flow velocity, pressure rise,flow rate,
friction force and streamline patterns have been computed. Results suggest that the impact of roughness cannot be ignored during the peristaltic
pumping of the fluid as a profound effect of roughness is seen on pressurerise and friction force. The basic peristaltic model presented by Shapiro
et al in
Volume 97, 2023
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