For several years, Safran has been involved in the design and optimization of contra rotating
open rotors. This innovative architecture is known for allowing drastic reduction in fuel burn …

This paper focuses on the development and exploitation of a multi-disciplinary, optimization-
assisted, design methodology for contra-rotating open-rotors. The design procedure relies …

The objective of the present investigation is to examine the possibility of performance
improvement, improvement of the exit flow uniformity and desensitization of the tip clearance …

The use of algorithmic optimisation techniques whereby several designs are evaluated
automatically in batches using Computational Structural Mechanics (CSM) and or …

The design of light yet highly insulated cryogenic tanks is a key enabling technology for
hydrogen-fueled flights, especially when operation in the harsh thermal environment …