Best practice guidelines in numerical simulations and CFD benchmarking for hydrogen safety applications |
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| Affiliation: | 1. Environmental Research Laboratory, National Center for Scientific Research Demokritos, Agia Paraskevi, 15341, Greece;2. HySAFER Centre, Ulster University, Newtownabbey, BT37 0QB, UK;3. Health and Safety Executive, Harpur Hill, Buxton, SK17 9JN, UK;4. Karlsruhe Institute for Technology (KIT), Kaiserstrasse 12, Karlsruhe, Germany;5. European Commission, Joint Research Centre (JRC), IET, Westerduinweg 3, 1755 LE, Petten, Netherlands;6. Element Energy Limited, Station Road 20, Cambridge, United Kingdom;7. Areva Stockage D''Energie SAS, Batiment Jules Verne, Domaine Du Petit Arbois, Aix-en-Provence, France;1. Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou, 310027, PR China;2. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, PR China;1. Institute of Refrigeration and Cryogenics, Key Laboratory of Refrigeration and Cryogenic Technology of Zhejiang Province, Zhejiang University, Hangzhou 310027, China;2. State Key Laboratory of Technologies in Space Cryogenic Propellants, Beijing 100028, China;3. Beijing Institute of Aerospace Testing Technology, Beijing 100074, China;1. Laboratory of Energetics and Thermal and Mass Transfer (LETTM), Faculty of Sciences of Tunis, University of Tunis El Manar, Campus Universitaire, 1060 Tunis, Tunisia;2. University Institute for Industrial Thermal Systems, UMR CNRS 6595, Technopole Château Gombert, Marseille, France;1. College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 210009, China;2. Institute of Nuclear and Energy Technologies, Karlsruhe Institute of Technology, Karlsruhe, 76021, Germany;3. Changzhou University, Changzhou, 213016, China |
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| Abstract: | Correct use of Computational Fluid Dynamics (CFD) tools is essential in order to have confidence in the results. A comprehensive set of Best Practice Guidelines (BPG) in numerical simulations for Fuel Cells and Hydrogen applications has been one of the main outputs of the SUSANA project. These BPG focus on the practical needs of engineers in consultancies and industry undertaking CFD simulations or evaluating CFD simulation results in support of hazard/risk assessments of hydrogen facilities, as well as on the needs of regulatory authorities. This contribution presents a summary of the BPG document. All crucial aspects of numerical simulations are addressed, such as selection of the physical models, domain design, meshing, boundary conditions and selection of numerical parameters. BPG cover all hydrogen safety relative phenomena, i.e. release and dispersion, ignition, jet fire, deflagration and detonation. A series of CFD benchmarking exercises are also presented serving as examples of appropriate modelling strategies. |
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| Keywords: | Best practice guidelines CFD simulation Benchmark exercise Hydrogen safety Susana project |
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