The aim of this review paper is to collect and discuss the most relevant and updated
contributions in the literature regarding studies on new or non-conventional technologies for …

The present paper reports on the investigation of long-range LH2 aircraft concepts for year
2050 entry into service. The paper attempts to identify the limitations set by the LH2 storage …

View Video Presentation: https://doi. org/10.2514/6.2023-0309. vid The development of an
open rotor propulsion system architecture model and fuel burn-minimizing power …

The possibility of extracting large amounts of electrical power from turbofan engines is
becoming increasingly desirable from an aircraft perspective. The power consumption of a …

The parallel hybrid (or boosted) turbofan engine alleviates the system complexity of radical
electrified powertrain architectures, while also demonstrates substantial benefits in reducing …

Geared contra-rotating open rotors have the potential to further reduce fuel consumption
relative to geared turbofans, but require a more-complex speed-reducing transmission …

This study proposes a model to evaluate the integrity of grain flow generated during the hot
forging process of disks and introduces a methodology for its quantitative assessment. Grain …

Aviation is at the center of public interest because of its environmental impact, such as noise
and pollutant emissions. Evolutionary technologies are not expected to be sufficient to …

Geared transmissions are as ubiquitous, as they are essential to nearly every mechanical
powertrain. There is a large and growing body of research on gear geometry, with a focus on …

As energy transition to alternative fuels for civil aviation is likely to be gradual, hydrogen's
first entry to service may be implemented on existing gas turbine engines. In this paper a …