The role of initial tank temperature on refuelling of on-board hydrogen tanks
| Autor: | N. de Miguel, Daniele Baraldi, B. Acosta, R. Ortiz Cebolla, R. Melideo, Pietro Moretto |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Hydrogen
chemistry.chemical_element Energy Engineering and Power Technology 02 engineering and technology Computational fluid dynamics Compressed hydrogen storage Hydrogen safety Physics::Fluid Dynamics Initial tank temperature 0502 economics and business 050207 economics Adiabatic process Compressed hydrogen business.industry Chemistry Renewable Energy Sustainability and the Environment Diathermal wall 05 social sciences Mechanics 021001 nanoscience & nanotechnology Condensed Matter Physics Fuel Technology Heat transfer Hydrogen refuelling 0210 nano-technology business Gas compressor |
| Zdroj: | International Journal of Hydrogen Energy. 41(20):8606-8615 |
| ISSN: | 0360-3199 |
| DOI: | 10.1016/j.ijhydene.2016.03.158 |
| Popis: | The influence of the initial tank temperature on the evolution of the internal gas temperature during the refuelling of on-board hydrogen tanks is investigated in this paper. Two different types of tanks, four different fuel delivery temperatures (from ambient temperature refuelling to a pre-cooled hydrogen at −40 °C), several filling rates and initial pressures are considered. It has been found that the final gas temperature increases linearly with the increase of the initial tank temperature while the temperature increase (ΔT) and the final state of charge (SOC) decrease linearly with increasing the initial temperature. This dependency has been found to be larger on type III than on type IV tank and larger the larger the initial pressure. Additionally CFD simulations are performed to better understand the role of the relevant phenomena on the gas temperature histories e.g. gas compression, gas mixing, and heat transfer. By comparing the results of calculations with adiabatic and diathermal tank walls, the effect of the initial gas temperature has been separated from the effect of the initial wall temperature on the process. |
| Databáze: | OpenAIRE |
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