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http://dx.doi.org/10.7316/KHNES.2021.32.3.189

Estimation of Hydrogen Filling Time Using a Dynamic Modeling  

NOH, SANGGYUN (Department of Computer Software, Dongyang University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.32, no.3, 2021 , pp. 189-195 More about this Journal
Abstract
A compressed hydrogen tank is to be repressurized to 40 bar by being connected to a high-pressure line containing hydrogen at 50 bar and 25℃. Hydrogen filling time and the corresponding hydrogen temperature has been estimated when the filling process stopped according to several thermodynamic models. During the process of cooling the hydrogen tank, hydrogen temperature and pressure vs. time estimation was performed using Aspen Dynamics. Filling time, hydrogen temperature after filling hydrogen gas, cooling time and the final tank pressure after tank filling process have been completed according to the thermodynamic models are almost same.
Keywords
Hydrogen filling; Hydrogen cooling; Dynamic modeling; Thermodynamic models; Equations of state;
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