Open AccessNumerical study of laminar forced convection heat transfer in a rough mini-channel fabricated by Additive Manufacturing
Author(s) -
Mohammadreza Kadivar,
David Tormey,
Gerard McGranaghan
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2116/1/012030
Subject(s) - laminar flow , nusselt number , pressure drop , fluent , heat transfer , mechanics , materials science , surface finish , forced convection , surface roughness , rough surface , computer simulation , heat transfer enhancement , convective heat transfer , heat transfer coefficient , composite material , reynolds number , turbulence , physics
This study investigates laminar convective heat transfer of water flowing in a mini-channel with a rough surface fabricated by Laser-based Powder Bed Fusion (L-PBF) technology. A Gaussian model was used for generating random roughness, and then the three-dimensional numerical simulation was performed in ANSYS-Fluent 19.1. The numerical results indicated a more than double increase in the Nusselt number of rough channels than that of smooth ones with a marginal pressure drop penalty compared to smooth channels, showing the potential benefits of using rough channels fabricated by L-PBF for heat transfer applications.