Workshop No. 6 (05.12.2025)

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Host: Ulster University (UU), UK

Presentations: all available presentations can be found here https://elvhys.eu/ws6-presentations

Time (CET)

10:15 - 10:20 - Welcome (F. Ustolin, NTNU; V. Molkov, UU)

10:20 - 10:40 - ELVHYS project brief and achievements (Federico Ustolin, NTNU)

10:40 - 11:00 - The large-scale loading/unloading arm for LH₂ carriers and expected research developments for high performance (S. Kamiya, Kawasaki Heavy Industries) 

11:00 - 11:20 - A novel platform for testing refuelling and transfer operations in a LH2 system architecture (C. Lemaitre, Airbus)

11:20 - 11:40 - Leakage and dispersion of LH2 in confined spaces and the effect of forced ventilation (W. Rattigan, HSE) 

11:40 - 12:00 - Coffee break

12:00 - 12:20 - Pressure peaking phenomenon for LH2 releases in confined spaces (J. Vizma, HSE, D. Cirrone, UU)

12:20 - 12:40 - Oxygen enrichment mechanisms of condensed phase air in LH2 environments (J. Welch, HSE)

12:40 - 13:00 - A multi-stage modelling approach for rainout, pool formation and   dispersion of LH2 releases (D. Rescigno, NTNU) 

13:00 - 13:20 - CFD model of liquefaction and solidification of air after full-bore   rupture of LH2 pipeline (D. Makarov, UU) 

13:20 - 14:20 - Lunch break

14:20 - 14:40 - Consequence analysis by CFD model for LH2 bunkering of a hydrogen powered ship (N. Koutsourakis, NCSRD)  

14:40 - 15:00 - The DISCHA integral tool for LH2 tank to tank transfer operations (A. Venetsanos, NCSRD) 

15:00 - 15:20 - CFD model of pressure and temperature dynamics in LH2  storage tank due to heat ingress (M. Kamboj, UU) 

15:20 - 15:40 - DELHYVHER project on delivery of liquid hydrogen for various   environment at high rate (P. Bernard, Engie) 

15:40 - 15:55 - Coffee break

15:55 - 16:15 - Quantitative risk assessment of hydrogen releases in a hydrogen fueling station with LH2 storage (K. Groth, University of Maryland)

16:15 - 16:35 -  Failure behaviour of a LH2 tank under vacuum-loss conditions (M. Bragin, Air Products) 

16:35 - 16:55 - Round table discussion (F. Ustolin, NTNU; All) 

16:55 - 17:00 - Closure of the workshop (F. Ustolin, NTNU; D. Cirrone, UU)