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Investigating the Optimum Practical Hydrogen Working Pressure for Gaseous Hydrogen Fueled Vehicles
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 12, 2010 by SAE International in United States
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Today's fuel cell powered vehicles typically utilize compressed hydrogen storage systems with a nominal working pressure of either 35MPa or 70Mpa. This coexistence of working pressures has, in a large part, developed in isolation, in that automakers have primarily considered vehicle side issues when choosing the storage system pressure. This study looks at hydrogen fueling from a holistic perspective by considering both vehicle side and station side issues with the goal to determine an optimum hydrogen working pressure. The approach utilized is to first conduct a data driven study of vehicle fueling at different working pressures and ambient temperatures to determine the vehicle and thermodynamic considerations of hydrogen fueling. This data is then contrasted with the hydrogen station hardware required to perform fueling at these temperatures and pressures. An optimum practical pressure is investigated, and recommendations are made for first establishing and converging towards this working pressure as an industry.
- Ryan Harty - Honda R&D Americas, Inc.
- Steven Mathison - Honda R&D Americas, Inc.
- David Cun - Honda R&D Americas, Inc.
- Bradley John Smith - Shell Hydrogen LLC
- Nikunj Gupta - Shell Hydrogen LLC
- Mark McDougall - Powertech, Inc.
- Angela Nanalal - Powertech, Inc.
- Livio Gambone - Powertech, Inc.
- Bradley John Smith - Shell Hydrogen, LLC
- Nikunj Gupta - Shell Hydrogen, LLC
CitationHarty, R., Mathison, S., Cun, D., McDougall, M. et al., "Investigating the Optimum Practical Hydrogen Working Pressure for Gaseous Hydrogen Fueled Vehicles," SAE Technical Paper 2010-01-0854, 2010, https://doi.org/10.4271/2010-01-0854.
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