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Summary of experiment series E4.3 (Electrostatic Ignition) results

Lyons, K.; Hooker, P.


Work package four of the PRESLHY project focuses on ignition phenomena. This report
summarises the experimental series E4.3, which focuses on the propensity for an electrostatic
charge capable of igniting a hydrogen cloud to be generated during a release, or accidental spill
scenario. Seven experiments measuring the electric field of a multiphase hydrogen jet were
conducted at the HSE Science and Research Centre. Current measurements on an electrically
isolated section of steel pipework were also taken during a total of 30 large scale releases.
The results from the plume measurements indicate that the multiphase hydrogen jet itself does
not create a significant charge, but certain interactions with the air can cause intermittent spikes
in field strength. In particular, air in the pipework being ejected and solidified air forming
around the release point, breaking off and flowing downstream appear to be the cause of the
electrical fields measured in these experiments. This effect could be larger with different initial
conditions either at the nozzle or in the tanker.
The wall current measurements were more consistent, as the ability for LH 2 to induce a current
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Zugehörige Institution(en) am KIT Institut für Thermische Energietechnik und Sicherheit (ITES)
Publikationstyp Forschungsdaten
Publikationsdatum 16.08.2021
Erstellungsdatum 01.01.2020 - 01.04.2020
Identifikator DOI: 10.5445/IR/1000136282
KITopen-ID: 1000136282
HGF-Programm 38.03.02 (POF IV, LK 01) Power-based Fuels and Chemicals
Lizenz Creative Commons Namensnennung – Weitergabe unter gleichen Bedingungen 4.0 International
Externe Relationen Siehe auch
Schlagwörter FAIR data management, pre-normative research, experimental data, accessibility, re-use, long-, term data storage, research data repository, liquid hydrogen, accidental behaviour, release,, ignition, combustion, electrostatic.

file consists of data from following sensors, obtained during experiments:

• rugged field meter IDB systems I
• static field meter IDB systems
• electrometer
• resistance meter station
• pipework thermocouples T
• pressure  sensor
• mass flow sensor 
• near‐field weather station 
• far‐field wind sensor 
• far‐field humidity sensor
Art der Forschungsdaten Dataset
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