NREL launches Hydrogen Filling Simulation software

The Nationals Renewable Energy Laboratory has released the Hydrogen Filling Simulation (H2FillS) software, a thermodynamic model designed to track and report the transient change in hydrogen temperature, pressure, and flow when filling a fuel cell vehicle.

H2FillS stimulates gas flow from the hydrogen station to the car storage system. Using empirical fuelling data sets, the model has been validated over a range of fuelling conditions to match common light-duty fuel cell vehicle fill profiles.

The software can be used to:

  • Safely design and operate a hydrogen fuelling station.
  • Support code refinement with readily available data.
  • Develop system and operational improvements to reduce capital or operating costs at hydrogen stations or on-board fuel cell vehicles.

H2FillS uses a “drag-and-drop” graphical user interface to simulate station and vehicle systems with preset parameters for common hydrogen station components as default values.

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