Gas Turbine and the Environment: Towards Net Zero CO₂ Propulsion Systems

Dear Colleagues,

Gas turbines have dominated aircraft propulsion for more than 60 years, and have been a driving factor for the growth and success of the aviation industry and air transport. With success comes responsibility and the requirement for sustainable growth. Meeting future environmental targets while ensuring commercial success and uncompromised safety standards requires an unprecedented investment in research and technology. Given the urgency and the ambition, evolutionary, synergistic, and disruptive technologies need to be developed in the next 10–20 years. Advances in fuels and energy storage solutions that include hydrogen, ammonia, SAF, and others, combined with batteries and the introduction of electrification, digitalisation, additive manufacturing, advanced materials, smart sensors, energy harvesting, and the exponential increase in computational power can revolutionise the design and operation of the gas turbine. In this context, this Special Issue  on Gas Turbines and the Environment is focused on concepts and technologies that will lead to a new, carbon free, and low emissions era for aviation and air-transport. Papers concerning the following topics are of particular interest and highly encouraged:

• Fuels and combustion;
• Novel cycles, engine configurations, and propulsion architectures;
• Component technologies;
• Control strategies and sensor technologies;
• Green operations and life cycle aspects;
• Ground infrastructure for hydrogen and electrified applications.

Prof. Dr. Panagiotis Laskaridis
Prof. Dr. Konstantinos Kyprianidis
Dr. Hossein Balaghi Enalou
Guest Editors

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