Consequence assessment considerations for toxic natural gas dispersion modeling
نویسندگان
چکیده
The numerical simulation of gas dispersion and estimation consequence impact is importance in Oil Gas industry's process safety management. For natural fields with toxic components like Hydrogen sulfide, the toxicity zone drives business decisions related to equipment design, facility siting, layout, land use planning, emergency response measures. Proprietary tools or empirical models which are calibrated using experiment database often used for carrying out modeling. selection a software tool suitable model, based on cloud behavior, at source critical estimation. It observed that, fluid phase density key determining appropriate model. Incorrect parameter could lead an inaccurate This turn result disproportionate risk management efforts especially impacts from exposure very low concentration. paper discusses results modeling studies done selected set release events onshore pipeline transfer approved software. study analyses inputs, parameters determines terms atmospheric that zones. determined behaviour dependent molar mass composition sulfide. provides guidance overcoming uncertainty through sensitivity assessments lists be subjected analysis. • Determine (using equilibrium properties) estimate distances. Downwind sensitive hole size, rate composition. Release rates greater than 30 lb/lbmol temperature. 18 mol% H 2 S high pressure release.
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ژورنال
عنوان ژورنال: Journal of Loss Prevention in The Process Industries
سال: 2022
ISSN: ['0950-4230', '1873-3352']
DOI: https://doi.org/10.1016/j.jlp.2022.104792