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Abstract Amid increasing global demands for carbon neutrality, hydrogen-fueled aero-engines are drawing significant attention due to their zero carbon emissions. To fully harness the advantages of hydrogen-fueled aero-engines, it is essential to design appropriate configurations, including the selection of combustion chambers and the placement of heat exchangers. To investigate this issue, this paper initially surveys ongoing global research programs in hydrogen-fueled aero-engines, summarizing the demands of hydrogen-fueled aircraft and the prevalent configurations of hydrogen aero-engines. Subsequently, to evaluate the merits and limitations of various engine configurations, a specialized simulation platform dedicated to the performance analysis of hydrogen-fueled engines was developed. This platform is equipped with modules specifically designed for hydrogen-fueled aero-engines, including hydrogen fuel, steam injection combustor, and hydrogen fuel heat exchanger modules. These components facilitate the modular assembly of diverse engine configurations, thereby enabling preliminary selection and optimization of engine configurations. Ultimately, employing this platform, the study constructs models of three prevalent hydrogen-fueled aero-engine configurations and undertakes a comparative performance analysis, assessing the relative strengths and weaknesses of each configuration under varied operational conditions, thus providing a robust foundation for future engine configuration design.
Wang et al. (Mon,) studied this question.
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