Experimental campaign and numerical analyses of thermal storage concrete modules

Giuseppe M. Giannuzzi, Raffaele Liberatore, Domenico Mele, Gianluca Mazzucco, Giovanna Xotta, Valentina A. Salomoni, Carmelo E. Majorana, Rosa Di Maggio

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Abstract

A three-stage study on the behaviour of storage plants employing concrete with upgraded thermo-mechanical characteristics is here developed. The first stage defines the experimental campaign on a mixing at improved conductivity, via the SolTeCa experimental system, with review of the storage elements geometry, location of thermocouples and cycling procedures. The experimental results, obtained by ENEA via a comparison with appropriately performed numerical calculations, are interpreted during the second stage. Finally, a first design of a new equipment for the thermal cycling of storage elements up to 400 °C is proposed, based on Joule-effect heating. The numerical results are reported, in order to understand the thermal dynamics as well as the induced thermo-mechanical effects on concrete elements.
Original languageEnglish
Pages (from-to)596 - 602
Number of pages7
JournalSolar Energy
Volume157
DOIs
Publication statusPublished - 2017

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All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Giannuzzi, G. M., Liberatore, R., Mele, D., Mazzucco, G., Xotta, G., Salomoni, V. A., Majorana, C. E., & Di Maggio, R. (2017). Experimental campaign and numerical analyses of thermal storage concrete modules. Solar Energy, 157, 596 - 602. https://doi.org/10.1016/j.solener.2017.08.041