Numerical analysis of Al2O3 Nanofluids in serpentine cooling plate of PEM fuel cell / Irnie Azlin Zakaria...[et al.]

Zakaria, Irnie Azlin and Wan Mohamed, Wan Ahmad Najmi and Mohd Ihsan Mamat, Aman and Sainan, Khairul Imran and Mat Nawi, Muhad Rozi and Najafi, Gholam Hassan (2018) Numerical analysis of Al2O3 Nanofluids in serpentine cooling plate of PEM fuel cell / Irnie Azlin Zakaria...[et al.]. Journal of Mechanical Engineering (JMechE), SI 5 (1). pp. 2-13. ISSN 1823-5514 ; 2550-164X


PEM fuel cell converts the energy potential of a hydrogen based fuel into electricity with water and heat as the major by-products. In order to optimize the performance of a PEM fuel cell, the cooling system is responsible to manage the accompanying heat. In this study, heat transfer and fluid flow performance of Aluminium oxide, Al2O3 nanofluids in a serpentine cooling plate is investigated numerically. The Al2O3 nanofluids concentration of 0.1%, 0.3% and 0.5% was dispersed in both water and 60:40 and 50:50 water:ethylene glycol (w:EG) mixture of base fluids. The thermo-physical properties of the prepared nanofluids namely thermal conductivity and viscosity were measured and then fed to the simulation to enable maximum accuracy to the real experimentation result. A steady and incompressible flow with constant heat flux is assumed in the carbon graphite channel of 210mm x 220mm. All characteristics studied is at Re number range of 150 to 400. A serpentine cooling plate is used to mimic a single cooling plate in a complete stack of PEM fuel cell. The simulation used was ANSYS Fluent in laminar flow condition. The result shows that the heat transfer coefficient of 0.5 % volume concentration of Al2O3 in 100:0(w:EG) has increased up to 37 % as compared to base fluid. The increase in pumping power is experienced but at a much lower value as compared to the thermal management advantage.


Item Type: Article
Email / ID Num.
Zakaria, Irnie Azlin
Wan Mohamed, Wan Ahmad Najmi
Mohd Ihsan Mamat, Aman
Sainan, Khairul Imran
Mat Nawi, Muhad Rozi
Najafi, Gholam Hassan
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Universiti Teknologi MARA, Kedah > Sg Petani Campus
Journal or Publication Title: Journal of Mechanical Engineering (JMechE)
UiTM Journal Collections: UiTM Journal > Journal of Mechanical Engineering (JMechE)
ISSN: 1823-5514 ; 2550-164X
Volume: SI 5
Number: 1
Page Range: pp. 2-13
Keywords: PEM fuel cell, serpentine, nanofluids, thermal,numerical.
Date: 2018
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