Thermal energy storage in rock bed - CFD analysis

  • Michał Jurczyk Silesian University of Technology
  • Sebastian Rulik Silesian University of Technology
  • Łukasz Bartela Silesian University of Technology

Abstract

This article reports on an analysis of the possibility of storing thermal energy in a rock bed. The calculations were made in Ansys CFX 18.0 CFD. The analysis determined the charging time of a packed bed of granite rocks in variable flow conditions for the assumed geometry of the energy storage system. The model was 2-dimensional, consisting of two domains connected by an interface. The packed bed was modelled using a porous model approach. The inlet velocity was varied in the range 0.25-4 m/s. The total charging time was 70 to 1100 min, depending on inlet velocity.

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Published
2020-12-16
How to Cite
JURCZYK, Michał; RULIK, Sebastian; BARTELA, Łukasz. Thermal energy storage in rock bed - CFD analysis. Journal of Power Technologies, [S.l.], v. 100, n. 4, p. 301-307, dec. 2020. ISSN 2083-4195. Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/1716>. Date accessed: 29 mar. 2024.
Section
Energy Conversion and Storage

Keywords

thermal energy storage (TES); computational fluid dynamics modeling (CFD); high temperature; rock bed

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