Numerical modelling of transient heat transfer of hydrogen composite cylinders subjected to fire impingement |
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| Affiliation: | 1. Faculty of Energy and Power Engineering, Dalian University of Technology, China;2. Warwick Fire, School of Engineering, University of Warwick, Coventry, UK;1. I.E. Tamm Theory Department, P.N. Lebedev Physical Institute of Russian Academy of Sciences, Moscow 119991, 53 Leninskii prosp., Russian Federation;2. Far Eastern Federal University, 8 Suhanova St., Vladivostok 690950, Russia;3. KIT – Karlsruhe Institute of Technology, Institute of Technical Thermodynamics, Engelbert-Arnold-Strasse 4, Building 10.91, D-76131, Karlsruhe, Germany;1. College of Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030 PR China;2. Department of Chemistry, College of Science, Northeast Forestry University, Harbin 150040, PR China;1. Department of Mathematics, Karnatak University, Pavate Nagar, Dharwad, 580003, India;2. Department of Computer Science (MCA), KLE Technological University, BVB Campus, Hubli, 580031, India;1. Department of Physics, Siddaganga Institute of Technology, Tumkur, Karnataka, 572103, India;2. Department of Physics, Karnatak University Dharwad, Karnataka, 580003, India |
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| Abstract: | To improve the current design standards of the hydrogen composite cylinders, it is essential to understand the thermal response of the hydrogen composite cylinders subjected to fire impingement. In the present study, a fully coupled conjugate heat transfer model based on a multi-region and multi-physics approach is proposed for modelling the transient heat transfer behaviour of composite cylinders subjected to fire impingement. The fire scenario is modelled using the in-house version of FireFOAM, the large eddy simulation (LES) based fire solver within the frame of OpenFOAM. Three dimensional governing equations based on the finite volume method are written to model the heat transfer through the regions of composite laminate, liner and pressurized hydrogen, respectively. The governing equations are solved sequentially with temperature-dependent material properties and coupled interface boundary conditions. The proposed conjugate heat transfer model is validated against a bonfire test of a commercial Type-4 cylinder and its transient heat transfer behaviour is also studied. |
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| Keywords: | Hydrogen storage Composite cylinders Conjugate heat transfer Large eddy simulation Decomposition |
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