Agenda

Tentative programme

Dissemination Conference of HyTunnel-CS project “PNR for safety of hydrogen driven vehicles and transport through tunnels and similar confined spaces”, 14-15 July 2022, Brussels

Day 1, 14 July 2022

Opening and project overview

09:00-09:05

Opening and welcome (D. Makarov, UU)

09:05-09:30

Hydrogen safety activities within FCH JU (A. Garcia Hombrados, FCH JU)

09:30-09:50

Overview of HyTunnel-CS project and structure of recommendations for stakeholders (D. Makarov, UU)

Closing knowledge gaps, physical phenomena and engineering tools

09:50-10:05

Concrete spalling by hydrogen jet fires (F. Markert, DTU)

10:05-10:20

Effect of tunnel slope on hydrogen dispersion (A. Venetsanos, NCSRD)

10:20-10:40

Effect of counter- and co-flow on hydrogen jets: simulations versus experiment (S. Giannissi, NCSRD)

10:40-10:55

Correlation for overpressure during ignited spurious hydrogen release (D. Cirrone, UU)

10:55-11:10

Coffee break

11:10-11:30

Dimensionless correlation for blast wave decay in a tunnel (V. Shentsov, UU)

11:30-11:50

Deflagration of hydrogen releases and in tunnel: large-scale experiments (W. Rattigan, HSE; E. Tolias, NCSRD)

11:50-12:10

Scaling experiments at reduced size to real tunnels (HSE)

12:10-12:30

Blast wave and fireball after hydrogen tank rupture: real tunnel experiments and simulations (D. Bouix, G. Bernard-Michel, CEA)

12:30-12:45

Drastic difference between fireball dynamics in the open space and in a tunnel (V. Shentsov, UU)

12:45-13:00

Interaction with water sprays and mist systems with hydrogen fire (J. Grune, PS)

13:00-14:00

Lunch

Recommendations to deal with unignited hydrogen releases and jet fires in confined spaces

14:00-14:20

Principles of inherently safer design of hydrogen vehicles for use in confined spaces (D. Makarov, UU)

14:20-14:35

‎Contribution of hydrogen released through TPRD to heat release rate of a vehicle fire (S. Kashkarov, UU)‎

14:35-14:55

Garages and maintenance shops: mitigation of pressure peaking phenomenon (A. Gaathaug, USN)

14:55-15:15

Underground parking: requirements to TPRD size and release direction (V. Shentsov, D. Cirrone, UU)

15:15-15:35

CFD and FEM study of hydrogen jet fire effect on tunnel structure (D. Cirrone, UU; L. Giuliani, DTU)

15:35-15:50

Coffee break

15:50-16:05

Erosion of tunnel materials by hydrogen jets (W. Rattigan, HSE)

Recommendations to prevent and mitigate hydrogen deflagrations, DDT and detonations in confined spaces

16:05-16:25

Correlation for flame acceleration and DDT in non-uniform hydrogen-air mixtures in tunnels (M. Kuznetsov, KIT)

16:25-16:45

‎CFD and FEM study of hydrogen tank rupture on tunnel structure (V. Shentsov, UU; L. Giuliani, DTU)

16:45-17:05

Deflagration of non-uniform clouds with concentration gradient (HSE, NCSRD, CEA)

17:05-17:25

Blast wave attenuation by absorbing materials, water sprays and mist systems (KIT, PS)

17:25-17:40

Deflagration propagation through fire extinguishing foam (J. Grune, PS)

17:40-18:00

Q&A session (V. Molkov, UU)

Day 2, 15 July 2022

Recommendations to prevent hydrogen tank rupture in a fire

09:00-09:20

Design of tank-TPRD system to exclude rupture in a fire and the pressure peaking phenomenon (S. Kashkarov, UU)

09:20-09:40

Breakthrough safety technology of explosion free in a fire TPRD-less tank (S. Kashkarov, UU)

Quantitative risk assessment

09:40-10:05

Quantitative risk assessment methodology for hydrogen vehicles in confined space (P. Russo, URS)

10:05-10:25

QRA of hydrogen vehicles in road tunnels (S. Kashkarov, UU)

10:25-10:45

QRA of hydrogen trains in rail tunnels (P. Russo, URS)

10:45-11:05

QRA of hydrogen vehicles in underground parking (F. Markert, DTU)

11:05-11:20

Coffee break

Harmonised recommendations on response to hydrogen accidents

11:20-11:40

Project findings and their effect on intervention strategies and tactics (C. Brauner, IFA)

11:40-12:00

Interaction of HyTunnel-CS and HyResponder projects (T. Van Esbroeck, SPFI)

Recommendations for RCS

12:00-12:25

Recommendations for Regulations, Codes and Standards (J. van den Berg, NEN)

Q&A session and closing remarks

12:25-12:50

Q&A session (V. Molkov, UU)

12:50-13:00

Closing remarks (D. Makarov, UU)

HyTunnel-CS partners

UU – University of Ulster, UK (coordinator)

IFA – International Fire Academy, Switzerland

KIT – Karlsruher Institut fuer ‎Technologie, Germany

URS – Universita Degli Studi Di Roma La Sapienza, Italy

NCSRD – National Center for ‎Scientific Research ‎‎”Demokritos”, Greece

NEN – Stichting Nederlands Normalisatie – Instituut, Netherlands

USN – Hogskolen I Sorost-Norge, Norway

SPFI – Service Public Federal Interieur, Belgium

HSE – Health and Safety ‎Executive, UK

CEA – Commissariat A L Energie Atomique Et Aux Energies Alternatives, France

DTU – Danmarks Tekniske ‎Universitet, Denmark

PS – Pro-Science – Gesellschaft Fur Wissenschaftliche Und Technische Dienstleistungen Mbh, Germany

FHa – Fundacion Para El ‎Desarrollo De Las Nuevas ‎Tecnologias Del Hidrogeno ‎En Aragon, Spain

Contact details: Dr Dmitriy Makarov, dv.makarov@ulster.ac.uk