Hydrogen balloon transportation: A cheap and efficient mode to transport hydrogen - ScienceDirect
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Torus shrouded wind turbine carried by an aerostat
“2. Hydrogen balloon transportation (HBT) […] To reduce the risk of explosion, hydrogen balloons should not have propellers or other moving parts.” [13]It is the reason why a static aerostat without moving parts causing frictions could be preferred to allow the use of hydrogen which is cheaper and more widespread than helium. The aerostat can include an aerodynamic lift."
