Analytical solution of pulsating flow and forced convection heat transfer in a pipe filled with porous medium

Sobhnamayan, Fatemeh; Sarhaddi, Faramarz; Behzadmehr, Amin

doi:10.22059/jcamech.2021.327163.638

Analytical solution of pulsating flow and forced convection heat transfer in a pipe filled with porous medium

Document Type : Research Paper

Authors

Fatemeh Sobhnamayan

Faramarz Sarhaddi

Amin Behzadmehr

Department of Mechanical Engineering, University of Sistan and Baluchestan, Zahedan, Iran

10.22059/jcamech.2021.327163.638

Abstract

In this paper, the pulsating flow and forced convection heat transfer in a pipe filled with porous medium is investigated. The pipe is under a constant heat flux. The governing equations of the problem includes continuity, Brinkman momentum equation and energy equation. Using complex analysis technique, an analytical solution for velocity profile and temperature distribution are obtained. Also, the effect of various design parameters on velocity profile and temperature distribution is studied. Results show that the pulsating effect on velocity and temperature profile increases with the increase of Darcy number and dimensionless amplitude of pressure gradient but decreases with the increase of viscosity ratio parameter, Prandtl number and dimensionless frequency. For high dimensionless frequency (Ω>30), the maximum velocity and temperature tend to be constant due to the decrease in wave amplitude.

Keywords

Pulsating flow

Circular pipe

Porous medium

Forced convection

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