Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method with 3D Multifluid Model in COMSOL for PEMFCs

Ezgi Bayrakdar Ateş; Ahmet Ege

doi:10.29130/dubited.995420

EN TR

Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method with 3D Multifluid Model in COMSOL for PEMFCs

Abstract

A three dimensional (3D), gas-liquid multi-phase flow and transport model in COMSOL Multiphysics has been developed to simulate flow and transport phenomena in a proton exchange membrane fuel cell (PEMFC) with several operational parameters. The effects of changes in oxygen and hydrogen input velocities on concentration change at electrodes, current density in polymeric membrane and cell performance have been investigated in PEMFC. The simulations, made in COMSOL for numerical method, were presented with an emphasis on the physical and fundamental insight afforded by distributions of velocity vector, local current density, overpotential, oxygen and water concentrations. Using Golden Section Method, optimization of the change in the speed vector was made based on the numerical models for velocity values. Results showed that computational and numerical methods are in great harmony. The polarization curve, which is used as a measure of efficiency in cell performance, were supportive with results. The data show that the power density obtained for the optimum model is higher, with such a model performance of 92.87%. Compared to the currently used PEMFC, while hydrogen saving achieved between 4.2% and 7.1%, electrical efficiency increase were between 1% and 2.4%.

Keywords

Fuel cell, CFD analysis, water management, golden section method, Comsol Multiphysics, optimization

PEMYH için COMSOL'da Üç Boyutlu Çoklu Akış Modeliyle Altın Oran Yöntemi ile Oksijen ve Hidrojen Giriş Hızlarının Optimizasyonu

Abstract

Üç boyutlu (3D), gaz-sıvı çok fazlı bir akış ve taşıma modeli, birkaç farklı operasyonel parametre ile bir proton değişim membranlı yakıt hücresinde (PEMFC) akış ve taşıma olaylarını simüle etmek için COMSOL Multiphysics'te geliştirilmiştir. Oksijen ve hidrojen giriş hızlarındaki değişikliklerin elektrotlardaki konsantrasyon değişikliği, polimerik membrandaki akım yoğunluğu ve hücre performansı üzerindeki etkileri PEMFC'de incelenmiştir. Sayısal yöntem için COMSOL'da yapılan simülasyonlar, hız vektörü, yerel akım yoğunluğu, aşırı potansiyel, oksijen ve su konsantrasyonlarının dağılımlarının sağladığı fiziksel ve temel anlayışa vurgu yapılarak sunulmuştur. Altın Oran Yöntemi kullanılarak, hız vektöründeki değişimin optimizasyonu hız değerleri için sayısal modellere dayalı olarak yapılmıştır. Sonuçlar, hesaplamalı ve sayısal yöntemlerin büyük bir uyum içinde olduğunu göstermiştir. Hücre performansında verimliliğin bir ölçüsü olarak kullanılan polarizasyon eğrisi, sonuçları destekleyici niteliktedir. Veriler, optimum model için elde edilen güç yoğunluğunun % 92,87 gibi bir model başarımı ile daha yüksek olduğunu göstermektedir. Mevcut kullanılan PEMFC ile karşılaştırıldığında % 4,2 ile % 7,1 arasında hidrojen tasarrufu sağlanırken, elektrik verimliliği artışı %1 ile %2,4 arasında olmuştur.

Keywords

Yakıt hücresi, HAD analizi, su yönetimi, altın oran metodu, Comsol Multifizik, optimizasyon

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Authors

Ezgi Bayrakdar Ateş ^*
0000-0001-7306-8733
Türkiye

Ahmet Ege This is me
0000-0002-7308-2129
Türkiye

Publication Date

July 31, 2022

Submission Date

September 14, 2021

Acceptance Date

February 2, 2022

Published in Issue

Year 2022 Volume: 10 Number: 3

DOI

https://doi.org/10.29130/dubited.995420

IZ

https://izlik.org/JA39XU48CZ

APA

Bayrakdar Ateş, E., & Ege, A. (2022). Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method with 3D Multifluid Model in COMSOL for PEMFCs. Duzce University Journal of Science and Technology, 10(3), 1489-1507. https://doi.org/10.29130/dubited.995420

AMA

1.Bayrakdar Ateş E, Ege A. Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method with 3D Multifluid Model in COMSOL for PEMFCs. DUBİTED. 2022;10(3):1489-1507. doi:10.29130/dubited.995420

Chicago

Bayrakdar Ateş, Ezgi, and Ahmet Ege. 2022. “Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method With 3D Multifluid Model in COMSOL for PEMFCs”. Duzce University Journal of Science and Technology 10 (3): 1489-1507. https://doi.org/10.29130/dubited.995420.

EndNote

Bayrakdar Ateş E, Ege A (July 1, 2022) Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method with 3D Multifluid Model in COMSOL for PEMFCs. Duzce University Journal of Science and Technology 10 3 1489–1507.

IEEE

[1]E. Bayrakdar Ateş and A. Ege, “Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method with 3D Multifluid Model in COMSOL for PEMFCs”, DUBİTED, vol. 10, no. 3, pp. 1489–1507, July 2022, doi: 10.29130/dubited.995420.

ISNAD

Bayrakdar Ateş, Ezgi - Ege, Ahmet. “Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method With 3D Multifluid Model in COMSOL for PEMFCs”. Duzce University Journal of Science and Technology 10/3 (July 1, 2022): 1489-1507. https://doi.org/10.29130/dubited.995420.

JAMA

1.Bayrakdar Ateş E, Ege A. Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method with 3D Multifluid Model in COMSOL for PEMFCs. DUBİTED. 2022;10:1489–1507.

MLA

Bayrakdar Ateş, Ezgi, and Ahmet Ege. “Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method With 3D Multifluid Model in COMSOL for PEMFCs”. Duzce University Journal of Science and Technology, vol. 10, no. 3, July 2022, pp. 1489-07, doi:10.29130/dubited.995420.

Vancouver

1.Ezgi Bayrakdar Ateş, Ahmet Ege. Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method with 3D Multifluid Model in COMSOL for PEMFCs. DUBİTED. 2022 Jul. 1;10(3):1489-507. doi:10.29130/dubited.995420

Optimization Oxygen and Hydrogen Input Velocities by Golden Section Method with 3D Multifluid Model in COMSOL for PEMFCs

Abstract

Keywords

PEMYH için COMSOL'da Üç Boyutlu Çoklu Akış Modeliyle Altın Oran Yöntemi ile Oksijen ve Hidrojen Giriş Hızlarının Optimizasyonu

Abstract

Keywords

References

Details

Primary Language

Subjects

Journal Section

Authors

Publication Date

Submission Date

Acceptance Date

Published in Issue

DOI

IZ

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