ELVHYS 4.2 - Leakage into cold room/tank connection space considering barriers and obstaclesdoi:10.18710/JXJP0HDataverseNO2025-07-011Rattigan, Wayne; Welch, Janet; Vizma, Janni, 2025, "ELVHYS 4.2 - Leakage into cold room/tank connection space considering barriers and obstacles", https://doi.org/10.18710/JXJP0H, DataverseNO, V1ELVHYS 4.2 - Leakage into cold room/tank connection space considering barriers and obstaclesdoi:10.18710/JXJP0HRattigan, WayneWelch, JanetVizma, JanniNTNU – Norwegian University of Science and TechnologyDataverseNONTNU – Norwegian University of Science and TechnologyRattigan, WayneUstolin, Federico2025-06-26EngineeringPhysicsHydrogenSafetyCryogenicTransfer Connection SpaceH2LH2DispersionLeakPressure PeakingIgnitedFireExplosionThis dataset contains experimental data for an experimental campaign undertaken as part of the ELVHYS project No. 101101381, supported by the Clean Hydrogen Partnership and its members. HSE participation in Horizon Europe Project ELVHYS is supported by UKRI grant number 10070592. HSE participation is further supported by Lloyd’s Register Foundation. This dataset shows the results from the ELVHYS WP4.2 experiments releasing cryogenic hydrogen into a 1 m3 transfer connection space. Three types of experiments were conducted: dispersion from small horizontal and vertical leaks with nozzle diameters 0.2 - 1.8 mm; pressure peaking phenomena of large LH2 releases with nozzle diameter 25.4 mm; and ignition tests which recreated the dispersion conditions and deliberately ignited the flammable cloud. The tests were conducted at HSE Science & Research Centre in Buxton, UK in Autumn 2024. 48 tests were conducted in total, including some commissioning tests.<a href="http://creativecommons.org/publicdomain/zero/1.0">CC0 1.0</a>00_ELVHYSWP4_2 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WP4.2 TCS Sensor Details.pdfapplication/pdf