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FAMU-FSU Engineers Advance Liquid Hydrogen System to Prototype Phase for Hybrid-Electric Aircraft

Researchers are set to build and test a prototype at FSU’s Center for Advanced Power Systems under NASA’s Integrated Zero Emission Aviation program.

3D Rendering of futuristic airplane flying above clouds, for science fiction or military aircraft backgrounds

Overview

  • Team completed design optimization and system simulations achieving a 0.62 gravimetric index, meaning 62% of the system’s weight is usable hydrogen fuel.
  • Pump-free design uses tank pressure regulation to deliver up to 0.25 kg/s of liquid hydrogen, meeting a 16.2 MW power demand during takeoff or emergencies.
  • Innovative integration routes cryogenic hydrogen through staged heat exchangers to cool superconducting generators, motors and power electronics.
  • Configuration tailored for a 100-passenger hybrid-electric aircraft combines hydrogen fuel cells with turbine-driven superconducting generators.
  • Next phase will involve constructing the prototype and conducting experimental validation at FSU’s Center for Advanced Power Systems.