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DOE OSTI · 1837448

High Temperature CMC Nozzles for 65% Efficiency

Delvaux, John·Weber, Joseph
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Abstract

GE Gas Power has executed a development project that targeted cooled high-temperature ceramic matrix composite (CMC) nozzles as an innovative turbomachinery component that contributes toward the DOE’s goal for advanced gas turbines that are capable of at least 65% efficiency in combined cycle application. This technology advancement has potential to also benefit gas turbines used in coal-based IGCC applications with pre-combustion carbon capture and hydrogen as the resulting fuel. The development of this technology built upon CMC capability advancements made under earlier DOE programs. The objective for this project was to develop the application of ceramic matrix composite for nozzle application in an industrial gas turbine hot gas path. The CMC component development activity done in this project facilitates high firing temperatures through improved cooling designs and concepts, better sealing, reduced leakage, advanced manufacturing processes to facilitate high performing turbomachinery, and revolutionary component architecture to improve the gas turbine performance in a combined cycle application.

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20 FOSSIL-FUELED POWER PLANTS36 MATERIALS SCIENCE42 ENGINEERING99 GENERAL AND MISCELLANEOUS

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Delvaux, John, Weber, Joseph. 2021-12-30. High Temperature CMC Nozzles for 65% Efficiency. https://doi.org/10.2172/1837448

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