Fuel tanks are integral to the structure of the wing on modern airliners and cannot be adapted to store liquid hydrogen.
Credit: Airbus
Developing a Conformal LH 2 Tank A central challenge to developing hydrogen-fueled aircraft is the space required to store the fuel. Liquid hydrogen has three times the energy density of jet fuel but requires four times the volume to match the energy content of the same mass of jet fuel. Liquid...
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