| Summary: | 碩士 === 國立雲林科技大學 === 環境與安全工程系碩士班 === 96 === This research uses CFD based 3D gas fire/explosion simulation software, FLACS, to simulate the fire and explosion of hydrogen leak and to assess its hazardous degree within a high-tech plant site. Through its 3D dynamic property, FLACS can be used to analyze the hazard of chemical leakage within high-tech factory buildings, therefore let users easily understand the possible influence of the explosion pressure and the thermal radiation of high temperature on the building structure or the employees. Study shows that the hazardous level and range will be influenced effectively when the following parameters, such as gas leaking circumstances (confinement and congestion), direction of leakage, vapor cloud size, wind, and ignition time have been changed.
This study also uses FLACS simulation to analyze the effectiveness of different mitigation measures (pressure relief panel, water spray, and inert gas) and to discuss whether the fire and explosion hazard can be reduced in order to diminish the hazardous consequences on the facilities and personnel. In combination with pressure relief panel, different water spray particle sizes and the gas system are employed to measure their effectiveness on the fire and explosion hazards. With the help of CFD software, different loss prevention strategy can be tested via this study procedure in order to guarantee the security of a high-tech working place.
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