Advanced CFD modeling on vapor dispersion and vapor cloud explosion |
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| Authors: | Anna Qiao Steven Zhang |
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| Institution: | 1. School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China;2. Faculty of Technology, Policy and Management, Safety and Security Science Group (S3G), TU Delft, 2628 BX Delft, The Netherlands;3. Faculty of Applied Economics, Antwerp Research Group on Safety and Security (ARGoSS), Universiteit Antwerpen, 2000 Antwerp, Belgium;4. CEDON, KULeuven, 1000 Brussels, Belgium;1. Department of Mechanical and Industrial Engineering, Concordia University, Montréal, Québec, H3G 1M8, Canada;2. Department of Building, Civil and Environmental Engineering, Concordia University, Montréal, Québec, H3G 1M8, Canada;1. School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China;2. Faculty of Technology, Policy and Management, Safety and Security Science Group (S3G), TU Delft, 2628 BX Delft, The Netherlands;3. Faculty of Applied Economics, Antwerp Research Group on Safety and Security (ARGoSS), Universiteit Antwerpen, 2000 Antwerp, Belgium;4. CEDON, KULeuven, 1000 Brussels, Belgium;1. Centre for Pollution Control and Environmental Engineering, Pondicherry University, Kalapet, Pondicherry, 605014, India;2. Environmental Research Institute, University of Petroleum and Energy Studies, Dehradun, 248 007, India;1. Department of Naval Architecture and Ocean Engineering, College of Engineering, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul, 151-744, South Korea;2. Research Institute of Marine Systems Engineering, Department of Naval Architecture and Ocean Engineering, Seoul National University, Seoul, South Korea |
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| Abstract: | The main objective of this study is to quantify the potential overpressures due to Vapor Cloud Explosions (VCEs) and the potential gas buildup by using Computation Fluid Dynamics (CFD) for onshore or offshore facilities.A series of CFD simulations and analyses have been performed for the various vapor dispersion scenarios, covering different release rates and release locations. The overpressure that could result from the potential VCE is assessed by CFD simulation for the largest explosive transient gas cloud. The results from the analyses also comprise an extensive picture of probable leak scenarios having the potential to make an explosive gas cloud.The CFD analysis results could be applied to provide input for detailed risk-based design and risk analysis, to find safe and cost-optimal design against explosions. |
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