Polaris - Design of Liquid Hydrogen Turbo-Electric Transport Aircraft

Polaris is a liquid hydrogen turbo-electric transport aircraft which is designed to fulfill the NASA N 3 goals for entry into service in 2045. The main objective is to reduce the energy consumption by at least 60% compared to an A320 of 2005. Secondary objectives are the reduction of the NOX emissions by 80% and minimizing the noise emissions. The concept combines the synergies of a liquid hydrogen fuel system with a HTS power transmission and an intercooled gas turbine. By this a reduction of 62% in energy consumption and 80% lower NOx emissions are achieved at a comparable design mission.