Integrated solar combined cycle system with steam methane reforming: Thermodynamic analysis

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10 Scopus citations

Abstract

The present paper considers an integrated solar combined cycle system (ISCCS) with an utilization of solar energy for steam methane reforming. The overall efficiency was compared with the efficiency of an integrated solar combined cycle system with the utilization of solar energy for steam generation for a steam turbine cycle. Utilization of solar energy for steam methane reforming gives the increase in an overall efficiency up to 3.5%. If water that used for steam methane reforming will be condensed from the exhaust gases, the overall efficiency of ISCCS with steam methane reforming will increase up to 6.2% and 8.9% for β = 1.0 and β = 2.0, respectively, in comparison with ISCCS where solar energy is utilized for generation of steam in steam turbine cycle. The Sankey diagrams were compiled based on the energy balance. Utilization of solar energy for steam methane reforming increases the share of power of a gas turbine cycle: two-thirds are in a gas turbine cycle, and one-third is in a steam turbine cycle. In parallel, if solar energy is used for steam generation for a steam turbine cycle, than the shares of power from a gas and steam turbine are almost equal.

Original languageEnglish
Pages (from-to)18166-18176
Number of pages11
JournalInternational Journal of Hydrogen Energy
Volume48
Issue number48
DOIs
StatePublished - 5 Jun 2023
Externally publishedYes

Keywords

  • Combined cycle
  • Gas turbine
  • Steam methane reforming
  • Thermodynamic analysis

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