Review and Development on Key Techniques of Cryogenic Propellants On-orbit Refueling Progress
The on-orbit refueling technologies of cryogen can reduce the total mass of propellants required in rocket vehicles,allowing a significant increase in the amount of payload delivered beyond low Earth orbit.It has great potential benefits in complex space transportation systems and deep space exploration tasks.A literature investigation on the key techniques of cryogenic propellant on-orbit refueling is conducted.The existing lab-scale and full-scale experimental studies are reviewed in detail.Moreover,advantages of using on-orbit refueling techniques comprehensive analysis in future space tasks are provided.Technical suggestions on the developments for on-orbit refueling of cryogenic propellants are proposed based on this research.
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