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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.

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.