Heat Transfer Analysis of Nanofluid Flow with Porous Medium through Jeffery Hamel Diverging/Converging Channel

Document Type : Research Paper


1 Department of Mechanical Engineering, University of Lagos, Akoka- Yaba, Lagos, Nigeria

2 Department of Mechanical Engineering, Yaba College of Technology, Yaba, Lagos, Nigeria

3 Department of Mechanical Engineering, University of Engineering and Technology, Taxila, Pakistan

4 Mechanical Engineering Department, King Fahd University of Petroleum and Minerals (KFUPM), Dharan 31261, Saudi Arabia

5 Department of Chemical Engineering, Ahmadu Bello University, Zaria, Kaduna, Nigeria


In this paper, flow and heat transfer of nanofluid through a converging or diverging channel with porous medium is investigated. The fluid constantly flows under the effect of magnetic field through the channel. The diverging/converging fluid motion is modeled using the momentum and energy equations. The influence of some parameters such as opening channel angle, Reynolds number and Darcy’s number when the nanofluid flows through the non-parallel plates are studied. It is seen that high Reynolds number enhances the fluid viscosity while decreases velocity. Similarly, heat transfer reduces at high Darcy’s number owing to decreased flow consequently internal friction reduces. The obtained results in comparison with the similar studies in the literatures show satisfactory agreement.


Main Subjects

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