Thermodynamic Performance of an Internal Reheat Gas Turbine (IRGT) with Hydrogen Combustion

概要

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Combustion of hydrogen gas fuel between blade rows realizes the internal reheat gas turbine (IRGT), which can be extended to a multi stage reheat gas turbine. Thermodynamic analysis was performed on three kinds of multi-stage reheat gas turbine cycles with regenerator. The first one is a regenerative reheat gas turbine system with a hydrogen gas preheater and a steam generator. The second one is the first one with a steam injection at the exit of compressor. The third one is the first one combined with a steam turbine. The cycle calculations were performed for both steam cooled and non-cooled IRGT. The combined cycle gives the best thermal efficiency, that is, 63% for non-cooled IRGT and 58% for blade cooled IRGT. The thermal efficiency of the combined cycle with a regenerative reheat gas turbine is better than the one of the combined cycle with a simple cycle gas turbine.
独立行政法人海上技術安全研究所の論文
1987-05-30