FEA Assessment of Contact Pressure and Von Mises Stress in Gasket Material Suitability for PEMFCs in Electric Vehicles
Ensuring the safety of electric vehicles is paramount, and one critical concern is the potential for hazardous hydrogen fuel leaks caused by the degradation of Proton-Exchange Membrane Fuel Cell (PEMFC) gasket materials. This study employs advanced techniques to address this issue. We leverage Finit...
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MDPI AG
2023-09-01
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| Series: | Inventions |
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| Online Access: | https://www.mdpi.com/2411-5134/8/5/116 |
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| author | Soo-Hyun Park Akeem Bayo Kareem Woo Jeong Joo Jang-Wook Hur |
| author_facet | Soo-Hyun Park Akeem Bayo Kareem Woo Jeong Joo Jang-Wook Hur |
| author_sort | Soo-Hyun Park |
| collection | DOAJ |
| description | Ensuring the safety of electric vehicles is paramount, and one critical concern is the potential for hazardous hydrogen fuel leaks caused by the degradation of Proton-Exchange Membrane Fuel Cell (PEMFC) gasket materials. This study employs advanced techniques to address this issue. We leverage Finite Element Analysis (FEA) to rigorously assess the suitability of gasket materials for PEMFC applications, focusing on two crucial conditions: ageing and tensile stress. To achieve this, we introduce a comprehensive “dual degradation framework” that considers the effects of contact pressure and von Mises stress. These factors are instrumental in evaluating the performance and durability of Liquid Silicon Rubber (LSR) and Ethylene Propylene Diene Monomer (EPDM) materials. Our findings reveal the Yeoh model as the most accurate and efficient choice for ageing simulations, boasting a minimal Mean Absolute Percentage Error (MAPE) and computational time of just 0.27 s. In contrast, the Ogden model, while accurate, requires more computational resources. In assessing overall model performance using MAE, Root Mean Square Error (RMSE), and R-squared metrics, both LSR and EPDM materials proved promising, with LSR exhibiting superior performance in most areas. Furthermore, our study incorporates uniaxial tensile testing, which yields RMSE and MAE values of 0.30% and 0.40%, respectively. These results provide valuable insights into material behaviour under tensile stress. Our research underscores the pivotal role of FEA in identifying optimal gasket materials for PEMFC applications. Notably, LSR is a superior choice, demonstrating enhanced FEA modelling performance under ageing and tensile conditions. These findings promise to significantly contribute to developing safer and more reliable electric vehicles by advancing gasket material design. |
| first_indexed | 2024-03-10T21:11:22Z |
| format | Article |
| id | doaj.art-fb71797edbb4405bb7068159c3c46dd4 |
| institution | Directory Open Access Journal |
| issn | 2411-5134 |
| language | English |
| last_indexed | 2024-03-10T21:11:22Z |
| publishDate | 2023-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Inventions |
| spelling | doaj.art-fb71797edbb4405bb7068159c3c46dd42023-11-19T16:50:19ZengMDPI AGInventions2411-51342023-09-018511610.3390/inventions8050116FEA Assessment of Contact Pressure and Von Mises Stress in Gasket Material Suitability for PEMFCs in Electric VehiclesSoo-Hyun Park0Akeem Bayo Kareem1Woo Jeong Joo2Jang-Wook Hur3Department of Mechanical Engineering, Kumoh National Institute of Technology, Gumi-si 39177, Republic of KoreaDepartment of Mechanical Engineering, Kumoh National Institute of Technology, Gumi-si 39177, Republic of KoreaPyung Hwa Oil Seal Co. Limited, 597, Nongong-ro, Nongong-eup, Dalseong-gun, Daegu 42982, Republic of KoreaDepartment of Mechanical Engineering, Kumoh National Institute of Technology, Gumi-si 39177, Republic of KoreaEnsuring the safety of electric vehicles is paramount, and one critical concern is the potential for hazardous hydrogen fuel leaks caused by the degradation of Proton-Exchange Membrane Fuel Cell (PEMFC) gasket materials. This study employs advanced techniques to address this issue. We leverage Finite Element Analysis (FEA) to rigorously assess the suitability of gasket materials for PEMFC applications, focusing on two crucial conditions: ageing and tensile stress. To achieve this, we introduce a comprehensive “dual degradation framework” that considers the effects of contact pressure and von Mises stress. These factors are instrumental in evaluating the performance and durability of Liquid Silicon Rubber (LSR) and Ethylene Propylene Diene Monomer (EPDM) materials. Our findings reveal the Yeoh model as the most accurate and efficient choice for ageing simulations, boasting a minimal Mean Absolute Percentage Error (MAPE) and computational time of just 0.27 s. In contrast, the Ogden model, while accurate, requires more computational resources. In assessing overall model performance using MAE, Root Mean Square Error (RMSE), and R-squared metrics, both LSR and EPDM materials proved promising, with LSR exhibiting superior performance in most areas. Furthermore, our study incorporates uniaxial tensile testing, which yields RMSE and MAE values of 0.30% and 0.40%, respectively. These results provide valuable insights into material behaviour under tensile stress. Our research underscores the pivotal role of FEA in identifying optimal gasket materials for PEMFC applications. Notably, LSR is a superior choice, demonstrating enhanced FEA modelling performance under ageing and tensile conditions. These findings promise to significantly contribute to developing safer and more reliable electric vehicles by advancing gasket material design.https://www.mdpi.com/2411-5134/8/5/116contact pressureelectric vehiclesfinite element analysisgasket materialhyperelastic modelsPEMFC |
| spellingShingle | Soo-Hyun Park Akeem Bayo Kareem Woo Jeong Joo Jang-Wook Hur FEA Assessment of Contact Pressure and Von Mises Stress in Gasket Material Suitability for PEMFCs in Electric Vehicles Inventions contact pressure electric vehicles finite element analysis gasket material hyperelastic models PEMFC |
| title | FEA Assessment of Contact Pressure and Von Mises Stress in Gasket Material Suitability for PEMFCs in Electric Vehicles |
| title_full | FEA Assessment of Contact Pressure and Von Mises Stress in Gasket Material Suitability for PEMFCs in Electric Vehicles |
| title_fullStr | FEA Assessment of Contact Pressure and Von Mises Stress in Gasket Material Suitability for PEMFCs in Electric Vehicles |
| title_full_unstemmed | FEA Assessment of Contact Pressure and Von Mises Stress in Gasket Material Suitability for PEMFCs in Electric Vehicles |
| title_short | FEA Assessment of Contact Pressure and Von Mises Stress in Gasket Material Suitability for PEMFCs in Electric Vehicles |
| title_sort | fea assessment of contact pressure and von mises stress in gasket material suitability for pemfcs in electric vehicles |
| topic | contact pressure electric vehicles finite element analysis gasket material hyperelastic models PEMFC |
| url | https://www.mdpi.com/2411-5134/8/5/116 |
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