A short review on the modeling of solid-oxide fuel cells by using computational fluid dynamics: assumptions and boundary conditions

Aman, Nurul Ashikin Mohd Nazrul; Muchtar, Andanastuti; Somalu, Mahendra Rao; Rosli, Masli Irwan; Baharuddin, Nurul Akidah; Kalib, Noor Shieela

doi:10.30880/ijie.2018.10.05.014

Cited by 5 publications

(2 citation statements)

References 24 publications

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“…In particular, fuel cells are mainly designed for environmentally friendly energy conversion devices. Due to their ability to convert chemical energy into electricity and their potential to replace fossil fuels, fuel cells have been intensively researched over the past several decades [4,5]. As depicted in Figure 1, fuel cells can be divided into numerous types based on their electrolytes.…”

Section: Introductionmentioning

confidence: 99%

Computational Fluid Dynamics for Protonic Ceramic Fuel Cell Stack Modeling: A Brief Review

et al. 2022

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Protonic ceramic fuel cells (PCFCs) are one of the promising and emerging technologies for future energy generation. PCFCs are operated at intermediate temperatures (450–750 °C) and exhibit many advantages over traditional high-temperature oxygen-ion conducting solid oxide fuel cells (O-SOFCs) because they are simplified, have a longer life, and have faster startup times. A clear understanding/analysis of their specific working parameters/processes is required to enhance the performance of PCFCs further. Many physical processes, such as heat transfer, species transport, fluid flow, and electrochemical reactions, are involved in the operation of the PCFCs. These parameters are linked with each other along with internal velocity, temperature, and electric field. In real life, a complex non-linear relationship between these process parameters and their respective output cannot be validated only using an experimental setup. Hence, the computational fluid dynamics (CFD) method is an easier and more effective mathematical-based approach, which can easily change various geometric/process parameters of PCFCs and analyze their influence on its efficiency. This short review details the recent studies related to the application of CFD modeling in the PCFC system done by researchers to improve the electrochemical characteristics of the PCFC system. One of the crucial observations from this review is that the application of CFD modeling in PCFC design optimization is still much less than the traditional O-SOFC.

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Section: Introductionmentioning

confidence: 99%

Computational Fluid Dynamics for Protonic Ceramic Fuel Cell Stack Modeling: A Brief Review

et al. 2022

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“…The system will be simulated by ANSYS Computational Fluid Dynamics (CFD) with a virtual experiment to accurate prediction its performance. CFD methods enable the exploration of many design and operational parameters that are difficult to assess experimentally [11]. ANSYS Computational Fluid Dynamics (CFD) is computer software used to solve and analyze problems that involve fluid flow.…”

Section: Introductionmentioning

confidence: 99%

Design and Investigate of Flushing System for Electrical Discharge Machining (EDM) Application

Rachmat,

Ibrahim,

Ming

et al. 2020

IJIE

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Electrical Discharge Machining (EDM) is high precision machining process in which no actual contact between the workpiece and electrode during sparking. Dielectric fluid play a role as flushing medium and semiconductor between workpiece and electrode to stabilization and controlled spark gap ionization condition. In real condition, nozzle flushing system in EDM machine not able to complete remove debris formed during machining and affect the machining performance. Improper flushing due to lack of guideline at setup position of nozzle and inlet pressure caused low material removal rate, irregular tool and higher cost on raw material. To overcome this problem, the design and investigate of flushing system in EDM application is required. The design and investigation undergo by simulation of ANSYS Computational Fluid Dynamics (CFD) with a virtual experiment to accurate prediction of flushing performance. The influence of nozzle size and inlet pressure supplied on flushing efficiency were analyzed to avoid improper flushing on die-sinking EDM process. The simulation and experiments clarified that the higher inlet pressure, P=0.20 bar and larger nozzle diameter, D=6mm resulting in higher total pressure which is 2647.16 Pa. Furthermore, the streamline of velocity and eddy viscosity contour in the work tank using to analyze the turbulence zone by nozzle flushing obtained by the CFD analysis. The condition in case 5 (D=5mm, P=0.15 bar) is more efficiency on debris removal rate based on the result of high total pressure on machining zone and eddy viscosity contour showed the turbulence zone only formed area near to outlet of system. The model results have been shown good agreement with experiment and co-relation data.

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Numerical simulation and optimization of operating and structural parameters for solid oxide fuel cell

Liao

Jie

Zhang

et al. 2021

J Solid State Electrochem

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A short review on the modeling of solid-oxide fuel cells by using computational fluid dynamics: assumptions and boundary conditions

Cited by 5 publications

References 24 publications

Computational Fluid Dynamics for Protonic Ceramic Fuel Cell Stack Modeling: A Brief Review

Computational Fluid Dynamics for Protonic Ceramic Fuel Cell Stack Modeling: A Brief Review

Design and Investigate of Flushing System for Electrical Discharge Machining (EDM) Application

Numerical simulation and optimization of operating and structural parameters for solid oxide fuel cell

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