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Fuel Cells and Hydrogen Joint Undertaking (FCH JU)

Lyons, K.


Work package five of the PRESLHY project focusses on the combustion phenomena of liquid
hydrogen (LH 2 ). The experimental programme was designed to provide insight into a number
of credible and poorly understood LH 2 combustion scenarios. One such scenario is the effect of
congestion or confinement on an ignited hydrogen cloud stemming from a release of LH 2 ,
potentially leading to deflagration to detonation transition (DDT).
This report summarises the large-scale experiments carried out at the HSE Science and
Research Centre in Buxton investigating the effect of differing levels of congestion and
confinement on the combustion properties of a hydrogen cloud developing from a release of
Various combustion parameters were measured, including; the overpressure, heat flux, and
noise. Monitoring of ambient and release conditions were also made to allow for a thorough
analysis of the results. A total of 23 ignited trials were completed and involved releasing LH2
using the same initial conditions as in the rainout experiments of work package 3, meaning that
the dispersion patterns should remain similar.
The congestion and confinement was created by a configurable steel structure placed directly in
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Zugehörige Institution(en) am KIT Institut für Thermische Energietechnik und Sicherheit (ITES)
Publikationstyp Forschungsdaten
Publikationsdatum 16.08.2021
Erstellungsdatum 01.10.2020 - 01.02.2021
Identifikator DOI: 10.5445/IR/1000136285
KITopen-ID: 1000136285
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 Liquid hydrogen, dispersion, ignition, congestion, explosion

file consists of data from following sensors, obtained during experiments:
• blast pressure sensor
• noise sensor
• heat flux sensor
• pipework thermocouples
• pressure sensor
• mass flow sensor
• near-field weather station
• far-field wind sensor
• far-field humidity sensor
and videos getted during experiments

Art der Forschungsdaten Dataset
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