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Document IIF

Nouveau modèle analytique de simulation de systèmes de stockage d’énergie thermique par chaleur sensible en béton.

A new analytical model for concrete sensible thermal energy storages simulation.

Numéro : pap. n. 1643

Auteurs : DORETTI L., MARTELLETTO F., MANCIN S.

Résumé

A simple lumped capacitance based computing model was developed and here presented. The code permits the thermal and energetic analysis of concrete thermal energy storages (TESs) during time. The simulated system consists of a parallelepiped concrete module that can be heated (charging phase) and cooled (discharging phase) by a single-phase working fluid flowing in a tube embedded in the concrete. The new simulation code was validated against the experimental data carried out by ENEA with two different concrete mixtures, during both the heating and cooling processes using mineral oil as working fluid. This simple and easy-to-use model allows for a drastic reduction of the computational time needed to simulate the TES and it can be easily integrated, in various arrangements, to any concentrated solar power plant (CSP) and associated energy conversion plant simulation models to have a quick evaluation of the system performance.

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Pages : 8

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Détails

  • Titre original : A new analytical model for concrete sensible thermal energy storages simulation.
  • Identifiant de la fiche : 30026377
  • Langues : Anglais
  • Source : Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Date d'édition : 24/08/2019
  • DOI : http://dx.doi.org/10.18462/iir.icr.2019.1643

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