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Tactical depressurization of hydrogen containers with civilian rifle and ammunition
RISE Research Institutes of Sweden, Safety and Transport, Fire and Safety.ORCID iD: 0000-0001-8548-657x
RISE Research Institutes of Sweden, Safety and Transport, Fire and Safety.ORCID iD: 0000-0001-6758-6067
Lund University, Sweden.
Lund University, Sweden.
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2022 (English)Conference paper, Oral presentation only (Other academic)
Abstract [en]

There can be situations, for example if gas containers have been damaged in a vehicle crash, when the fire and rescue service would like to depressurize the gas containers through shooting with a civilian rifle. Modern high-pressure hydrogen containers are designed for a working pressure of 700 bars. This means that they have a very thick and strong shell made of composite material. At the same time the fire and rescue service only have access to civilian rifles and ammunition that can be bought for hunting purposes. Thus, tactical and safe depressurization of hydrogen containers is a big challenge. RISE have, together with the Södra Älvsborgs Fire and Rescue Services (SÄRF), Swedish Civil Contingency Agency, and Lund University conducted shooting tests of gas tanks mounted on a hydrogen gas vehicle and three stand-alone hydrogen gas tanks. The shooting tests were conducted at Remmene shooting field in Sweden. Thirteen shooting tests with hydrogen tanks placed in favouarable positions were performed. Out of these, only four tests were succesful in puncturing the individual gas tank in a single shot. Furthermore, two unwanted events occurred; one rupture (after 7 shots) and two powerful jets (after 20 and one shot respectively). This shows that further development and research is required in order to develop a method to safely depressurize high pressure hydrogen tanks.

Place, publisher, year, edition, pages
2022.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-66109OAI: oai:DiVA.org:ri-66109DiVA, id: diva2:1791919
Conference
The Tenth International Seminar on Fire and Explosion Hazards (ISFEH10)organized in Oslo, Norway from 22 to 27 May 2022
Note

Finansierat av RISE Tunnel Underground Safety Center (TUSC).

Available from: 2023-08-28 Created: 2023-08-28 Last updated: 2023-08-28Bibliographically approved

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Gehandler, JonatanLönnermark, Anders

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