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CFD model of refuelling through the entire equipment of a hydrogen refuelling station

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Abstract

This paper aims at the development and validation of a computational fluid dynamic (CFD) model for simulations of the refuelling process through the entire equipment of the hydrogen refuelling station (HRS). The absence of such models hinders the design of inherently safer refuelling protocols for an arbitrary combination of HRS equipment, hydrogen storage parameters, and environmental conditions. The CFD model is validated against the complete process of refuelling lasting 195s in Test No.1 performed by the National Renewable Energy Laboratory (NREL). The test equipment includes high-pressure tanks of HRS, pressure control valve (PCV), valves, pipes, breakaway, hose, and nozzle all the way up to three onboard tanks. The model accurately reproduced hydrogen temperature and pressure through the entire line of HRS equipment. A standout feature of the CFD model, distinguishing it from simplified models, is the capability to predict temperature non-uniformity in onboard tanks, a crucial factor with significant safety implications.
Original languageEnglish
Pages (from-to)200-207
Number of pages8
JournalInternational Journal of Hydrogen Energy
Volume53
Early online date14 Dec 2023
DOIs
Publication statusPublished (in print/issue) - 31 Jan 2024

Bibliographical note

Publisher Copyright:
© 2023 The Authors

Funding

Co-funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the Clean Hydrogen Partnership. Neither the European Union nor the Clean Hydrogen Partnership can be held responsible for them.This research has received funding from the Engineering and Physical Sciences Research Council (EPSRC) of the UK for funding through the EPSRC Centre for Doctoral Training in Sustainable Hydrogen “SusHy” (Grant EP/S023909/1), UK National Clean Maritime Research Hub funded by EPSRC grant EP/Y024605/1, and the Fuel Cells and Hydrogen 2 Joint Undertaking (now Clean Hydrogen Partnership) under the European Union's Horizon 2020 research and innovation programme through the SH2APED project under grant agreement No.101007182. Simulations were performed using the Tier 2 High-Performance Computing resources provided by the Northern Ireland High-Performance Computing (NI-HPC) facility, funded by the EPSRC (grant EP/T022175/1, https://www.ni-hpc.ac.uk/Kelvin2/(accessed on 1st Aug 2023)). This research has received funding from the Engineering and Physical Sciences Research Council (EPSRC) of the UK for funding through the EPSRC Centre for Doctoral Training in Sustainable Hydrogen “SusHy” (Grant EP/ S023909/1 ), UK National Clean Maritime Research Hub funded by EPSRC grant EP/Y024605/1 , and the Fuel Cells and Hydrogen 2 Joint Undertaking (now Clean Hydrogen Partnership) under the European Union's Horizon 2020 research and innovation programme through the SH2APED project under grant agreement No. 101007182 . Simulations were performed using the Tier 2 High-Performance Computing resources provided by the Northern Ireland High-Performance Computing (NI-HPC) facility, funded by the EPSRC (grant EP/ T022175/1 , https://www.ni-hpc.ac.uk/Kelvin2/ (accessed on 1st Aug 2023)).

Funder number
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???publication-publication-funding-organisation-not-added???EPSRC grant ref. No. EP/T022175/1

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 7 - Affordable and Clean Energy
      SDG 7 Affordable and Clean Energy

    Keywords

    • Hydrogen refuelling station (HRS)
    • Equipment of HRS
    • CFD model of refuelling
    • Model validation
    • Fuelling protocols
    • Hydrogen safety

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