Improvement of heat transfer model for adsorptive hydrogen storage system

作者: Jinsheng Xiao , Hao Yang , Daniel Cossement , Pierre Bénard , Richard Chahine

DOI: 10.1016/J.IJHYDENE.2013.01.100

关键词: Hydrogen storageStorage tankHeat transferThermodynamicsActivated carbonWater coolingAir coolingMechanicsThermal conductivityHeat transfer coefficientChemistry

摘要: Hydrogen adsorption on high surface area activated carbon is an effective solution of hydrogen storage. Improvement necessary for the heat transfer model adsorptive storage system. Distributed and lumped parameter models are implemented by Comsol software Matlab/Simulink respectively. The evolution pressure temperature during charge discharge processes investigated. We adopted following measures a further improvement model: (1) Wall improved varying coefficient; (2) A more realistic geometry with insert tube improves near inlet temperature; (3) Lumped considering thermal conductivity; (4) well validated experiments; (5) Heat modeled under conditions air cooling water cooling. condition better than in decreasing tank improving capacity.

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