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A Theoretical Study on the Hydrogen Filling Process of the On-board Storage Cylinder in Hydrogen Refueling Station

Abstract

With the development of the hydrogen fuel automobile industry, higher requirements are put forward for the construction of hydrogen energy infrastructure, the matching of parameters and the control strategy of hydrogen filling rate in the hydrogen charging process of hydrogen refueling stations. At present, the technological difficulty of hydrogen fueling is mainly reflected in the balanced treatment of reducing the temperature rise of hydrogen and shortening the filling time during the fast filling process. Vehicle hydrogen storage cylinder (VHSC) is one of the important components of hydrogen fuel cell vehicles. This study proposed a theoretical model for calculating the temperature rise in the VHSC during the high pressure refueling process, and revealed the hydrogen temperature rise during refueling. A hydrogen temperature rise prediction model was constructed to elucidate the relationship between filling parameters and temperature rise. The filling process of VHSC was analyzed from the theoretical method. The theoretical analysis results were consistent with the simulation and experimental analysis results, which provided a theoretical basis for the current hydrogen temperature control algorithm of the gas source in the hydrogen refueling station, and then reduced the energy consumption required for hydrogen cooling in the hydrogen refueling station.

Funding source: This research was supported by Regional Innovation Strategy (RIS) through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (MOE) (2021RIS-004). This research is also the result of receiving the support for the university innovation support project, Korea and Yantai next generation industrial robot and intelligent manufacturing engineering laboratory, China.
Related subjects: Applications & Pathways
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/content/journal4766
2023-05-13
2024-06-13
/content/journal4766
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