EXPERIMENTAL RESEARCH ON HYDROGEN LEAKAGE IN HYDROGEN REFUELLING STATION

Jiang Bin; Liang Gongyou; Han Kun

doi:10.19912/j.0254-0096.tynxb.2024-0404

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (7) : 511-515. DOI: 10.19912/j.0254-0096.tynxb.2024-0404

Special Topics of Academic Papers at the 80th Annual Meeting of the China Association for Science and Technology

EXPERIMENTAL RESEARCH ON HYDROGEN LEAKAGE IN HYDROGEN REFUELLING STATION

Jiang Bin, Liang Gongyou, Han Kun

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Abstract

In order to explore the phenomena and characteristics of hydrogen leakage and diffusion during the operation of hydrogen refuelling stations, a full-scale high-pressure hydrogen leakage test facility was established based on a real hydrogen refuelling station. Using a vehicle mounted high-pressure hydrogen storage tank as a high-pressure hydrogen gas source, the testing system was controlled through a combination of different valves in the pipeline and an instrument control system to provide hydrogen for the test section. The concentration distribution after hydrogen leakage was analyzed by changing different leakage pressures. According to the experimental results, the vibration sensors are effective and feasible in monitoring hydrogen leakage. The use of hydrogen concentration sensors for measurement is easily affected by environmental factors such as wind direction, and the use of sound or acceleration sensors can be considered. No spontaneous combustion was detected under the condition of 35 MPa hydrogen leakage.

Key words

hydrogen / leakage / test facilities / hydrogen refuelling station / full scale / high-pressure

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Jiang Bin, Liang Gongyou, Han Kun. EXPERIMENTAL RESEARCH ON HYDROGEN LEAKAGE IN HYDROGEN REFUELLING STATION[J]. Acta Energiae Solaris Sinica. 2025, 46(7): 511-515 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0404

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