Simulation Analysis of the Leakage and Diffusion Risk of a Hydrogen Storage System in Hydrogen Aircraft
Hydrogen is an alternative energy source for the aviation industry due to its renewability and cleanliness, although this novel application needs to be reassessed for the potential leakage risk. For this reason, we take a small hydrogen-powered aircraft as the research object and investigate hydroge...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-05-01
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| Series: | Aerospace |
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| Online Access: | https://www.mdpi.com/2226-4310/12/6/489 |
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| author | Xiangjun Dang Mingwen Zhong Wei Jia Xiaojun Yang Haoming Liu Yongxuan Shao Zhe Yang |
| author_facet | Xiangjun Dang Mingwen Zhong Wei Jia Xiaojun Yang Haoming Liu Yongxuan Shao Zhe Yang |
| author_sort | Xiangjun Dang |
| collection | DOAJ |
| description | Hydrogen is an alternative energy source for the aviation industry due to its renewability and cleanliness, although this novel application needs to be reassessed for the potential leakage risk. For this reason, we take a small hydrogen-powered aircraft as the research object and investigate hydrogen diffusion behavior in the cabin after 35 MPa onboard hydrogen storage system leakage. Firstly, the effectiveness of the numerical simulation model is verified. Secondly, the numerical simulation model is utilized to simulate the changes in hydrogen mole fraction in the cabin under various scenario conditions (different leakage diameters, directions, and environment parameters). Finally, we investigate the impact of ventilation. Forced ventilation could significantly reduce the hydrogen mole fraction in the cabin in a short time. However, forced ventilation also promotes the diffusion of residual hydrogen in the cabin, resulting in a large proportion of the volume having a hydrogen mole fraction greater than 0.04, but it can significantly reduce the proportion of high hydrogen mole fraction (>0.1 or >0.2) regions. |
| format | Article |
| id | doaj-art-4b0fd1e0cc2d4829bc3e08d7015e473d |
| institution | Kabale University |
| issn | 2226-4310 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Aerospace |
| spelling | doaj-art-4b0fd1e0cc2d4829bc3e08d7015e473d2025-08-20T03:30:28ZengMDPI AGAerospace2226-43102025-05-0112648910.3390/aerospace12060489Simulation Analysis of the Leakage and Diffusion Risk of a Hydrogen Storage System in Hydrogen AircraftXiangjun Dang0Mingwen Zhong1Wei Jia2Xiaojun Yang3Haoming Liu4Yongxuan Shao5Zhe Yang6School of Safety Science and Engineering, Civil Aviation University of China, Tianjin 300300, ChinaSchool of Safety Science and Engineering, Civil Aviation University of China, Tianjin 300300, ChinaSchool of Safety Science and Engineering, Civil Aviation University of China, Tianjin 300300, ChinaScience and Technology Innovation Research Institute, Civil Aviation University of China, Tianjin 300300, ChinaSchool of Safety Science and Engineering, Civil Aviation University of China, Tianjin 300300, ChinaSchool of Safety Science and Engineering, Civil Aviation University of China, Tianjin 300300, ChinaSchool of Safety Science and Engineering, Civil Aviation University of China, Tianjin 300300, ChinaHydrogen is an alternative energy source for the aviation industry due to its renewability and cleanliness, although this novel application needs to be reassessed for the potential leakage risk. For this reason, we take a small hydrogen-powered aircraft as the research object and investigate hydrogen diffusion behavior in the cabin after 35 MPa onboard hydrogen storage system leakage. Firstly, the effectiveness of the numerical simulation model is verified. Secondly, the numerical simulation model is utilized to simulate the changes in hydrogen mole fraction in the cabin under various scenario conditions (different leakage diameters, directions, and environment parameters). Finally, we investigate the impact of ventilation. Forced ventilation could significantly reduce the hydrogen mole fraction in the cabin in a short time. However, forced ventilation also promotes the diffusion of residual hydrogen in the cabin, resulting in a large proportion of the volume having a hydrogen mole fraction greater than 0.04, but it can significantly reduce the proportion of high hydrogen mole fraction (>0.1 or >0.2) regions.https://www.mdpi.com/2226-4310/12/6/489hydrogen aircrafthydrogen leakage and diffusionnumerical simulationventilationrisk analysis |
| spellingShingle | Xiangjun Dang Mingwen Zhong Wei Jia Xiaojun Yang Haoming Liu Yongxuan Shao Zhe Yang Simulation Analysis of the Leakage and Diffusion Risk of a Hydrogen Storage System in Hydrogen Aircraft Aerospace hydrogen aircraft hydrogen leakage and diffusion numerical simulation ventilation risk analysis |
| title | Simulation Analysis of the Leakage and Diffusion Risk of a Hydrogen Storage System in Hydrogen Aircraft |
| title_full | Simulation Analysis of the Leakage and Diffusion Risk of a Hydrogen Storage System in Hydrogen Aircraft |
| title_fullStr | Simulation Analysis of the Leakage and Diffusion Risk of a Hydrogen Storage System in Hydrogen Aircraft |
| title_full_unstemmed | Simulation Analysis of the Leakage and Diffusion Risk of a Hydrogen Storage System in Hydrogen Aircraft |
| title_short | Simulation Analysis of the Leakage and Diffusion Risk of a Hydrogen Storage System in Hydrogen Aircraft |
| title_sort | simulation analysis of the leakage and diffusion risk of a hydrogen storage system in hydrogen aircraft |
| topic | hydrogen aircraft hydrogen leakage and diffusion numerical simulation ventilation risk analysis |
| url | https://www.mdpi.com/2226-4310/12/6/489 |
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