Impact of refueling parameters on storage density of compressed hydrogen storage Tank |
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Authors: | Shitanshu Sapre Mayank Vyas Kapil Pareek |
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Affiliation: | 1. Centre for Energy and Environment, Malaviya National Institute of Technology, Jaipur, Rajasthan, 302017, India;2. School of Woodworking Skills, Bhartiya Skill Development University, Jaipur, Rajasthan, 302037, India |
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Abstract: | Hydrogen fuel cell vehicle (HFCV) is one of the key contributors to sustainable development of the society. For commercial deployment and market acceptability of fuel cell vehicles, efficient storage of hydrogen with an optimum refueling is one of the important challenge. Compressed hydrogen storage in Type IV tanks is a mature and promising technology for on-board application. The fast refueling of the storage tank without overheating and overfilling is an essential requirement defined by SAE J2601. In this regard, station parameters such as hydrogen supply temperature, filling rate and vehicle tank parameters such as filling time strongly influences the storage capacity of the tank, affecting driving range of the fuel cell vehicle. This paper investigates the impact of these parameters on storage density of the tank defined in terms of state of charge. For this, refueling simulation based on SAE J2601 protocol has been performed using computational fluid dynamic approach to investigate the influence of station parameters on storage density of the tank. Further, the root cause analysis was carried out to investigate the contribution of station and vehicle tank parameters for enhancing the storage density of the tank. Finally, the regression model based on these refueling parameters was developed to predict the density attained at different filling conditions. The results confirmed the strong contribution of pressure, filling time, supply temperature and least contribution of temperature, filling rates in enhancing the storage density of the tank. The results can provide new insight into refueling behavior of the Type IV tank for fuel cell vehicle. |
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Keywords: | Hydrogen storage Type IV tank Refueling parameters Root cause analysis |
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