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6 February 2024 Analysis and optimization of filling strategies for high-pressure hydrogen storage cylinders
Xueren Wang, Jiajia Deng, Dawen Xue, Lin Xu
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Proceedings Volume 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023); 129793V (2024) https://doi.org/10.1117/12.3015263
Event: 9th International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 2023, Guilin, China
Abstract
A two-dimensional (2D) axisymmetric model is used to simulate the process of filling of hydrogen storage tanks with an operational pressure of 35MPa and 150L to attempt to increase the filling efficiency of the tanks and assure the safe application of the tanks. During the filling process of a high-pressure hydrogen storage tanks, the maximum temperature rise is located in the bottom region of the cylinder. In order to effectively control the maximum temperature, rise and the rate of pressure rise inside the cylinder, two filling strategies are proposed, i.e., static or venting, to achieve the highest possible filling rate without exceeding the maximum temperature and pressure limits. The results show that the maximum temperature rise, and the pressure rise rate inside the gas cylinder can be effectively controlled by using the method of static or venting. Moreover, the filling rates of the two filling strategies were increased by 21.83% and 21.84%, respectively, compared with the single filling method. This study provides theoretical basis and technical support for the formation of efficient and safe filling technology for high-pressure hydrogen storage cylinders and improvement of filling efficiency.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Xueren Wang, Jiajia Deng, Dawen Xue, and Lin Xu "Analysis and optimization of filling strategies for high-pressure hydrogen storage cylinders", Proc. SPIE 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 129793V (6 February 2024); https://doi.org/10.1117/12.3015263
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KEYWORDS
Hydrogen
Composites
Temperature metrology
Numerical simulations
Hydrogen energy
Mathematical modeling
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