Abstract
Traditional unmanned aerial vehicle (UAV) that uses lithium batteries as a power source which limits UAV’s performance and application due to their short flying time. New UAVs which use hydrogen fuel cell as its power have longer flying time up to three times of traditional ones. The UAV mobile hydrogen refueling station has solved the problem of UAV’s energy, and it is a device that provides hydrogen as the power for a hydrogen fuel cell UAV. The process flow of the UAV mobile hydrogen refueling station is introduced. The way of pressurization has been innovated, and the pressurization process has been tested. The result shows that, increasing the pressure of the compressed gas and the inlet hydrogen can increase the output hydrogen flow. Meanwhile, in order to avoid pneumatic booster pump operating under high load for a long time, compressed gas pressure and inlet hydrogen pressure should also be properly controlled within a stable range. It has a certain guiding significance for the design of mobile hydrogen refueling station.
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