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Thermo-fluid dynamic modeling of a supercritical carbon dioxide compressor for waste heat recovery applications

Author

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  • Persico, Giacomo
  • Romei, Alessandro
  • Gaetani, Paolo
  • Bellobuono, Ernani Fulvio
  • Toni, Lorenzo
  • Valente, Roberto

Abstract

The development of novel technical solutions for the efficient recovery of waste heat is crucial for making accessible the large amount of thermal energy released by industrial processes, thus supporting the EU energy strategy. To this end, the EU-H2020 project CO2OLHEAT aims at developing and demonstrating a novel sCO2 power unit of 2 MW capacity, recovering energy from flue gases at 400 °C. The CO2OLHEAT system features a relatively unconventional multi-shaft configuration where the sCO2 compressor is driven by a dedicated radial expander, while the electrical power is generated via a separated axial turbine.

Suggested Citation

  • Persico, Giacomo & Romei, Alessandro & Gaetani, Paolo & Bellobuono, Ernani Fulvio & Toni, Lorenzo & Valente, Roberto, 2024. "Thermo-fluid dynamic modeling of a supercritical carbon dioxide compressor for waste heat recovery applications," Energy, Elsevier, vol. 294(C).
    • Handle: RePEc:eee:energy:v:294:y:2024:i:c:s0360544224006467
    DOI: 10.1016/j.energy.2024.130874
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