Abstract
The global expansion of hydrogen refueling stations (HRS) has heightened interest in the development of liquid hydrogen refueling stations (LHRS). This study presents a model for an LHRS, inspired by the Yilan HRS in Shanghai, to simulate large-scale liquid hydrogen (LH2) leakage scenarios. Utilizing the FLACS-CFD software, comprehensive simulations were performed to assess the impact of various environmental conditions and leakage parameters—such as wind speed, wind direction, spill rate, and spill duration—on critical outcomes including the size of the LH2 pool, evaporation rate, flammable volume of the vaporized hydrogen gas cloud, and maximum downwind distance/height. The findings establish a correlation between these factors and the predicted results, providing real-time guidance for managing LH2 leakage incidents at operational LHRS.
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