On the design of a solar heat storage tank at 120°C

Christodoulaki R., Akmandor İ. S., BAYER Ö., Desideri U., Ferrari L., Frate G. F., ...More

INTERNATIONAL JOURNAL OF SUSTAINABLE ENERGY, vol.42, 2023 (ESCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 42
  • Publication Date: 2023
  • Doi Number: 10.1080/14786451.2023.2246080
  • Journal Indexes: Emerging Sources Citation Index (ESCI), Scopus, Academic Search Premier, Aerospace Database, Agricultural & Environmental Science Database, CAB Abstracts, Communication Abstracts, Compendex, Environment Index, Geobase, Greenfile, INSPEC, Metadex, Pollution Abstracts, Veterinary Science Database, Civil Engineering Abstracts
  • Middle East Technical University Affiliated: Yes


This work presents the materials selection process, the design and the dimensioning process of a latent heat storage tank that works between a high temperature heat pump and an Organic Rankine Cycle unit. The selected heat storage material is the S117 Phase Change Material that has a melting point at 117 & DEG;C matches the operational temperature of the system at approximately 120 & DEG;C. The tank configuration is selected for optimised heat transfer process, resulted from practical experience of the project partners and it is described in details in the document. The simulation results from the Computational Fluid Dynamic study of the tank are also presented here. This work should be useful for engineers designing compact heat storage tanks for medium temperature applications.