Development of Key Technologies for Liquid Oxygen Methane Reusable Launch Vehicle
The reusable launch vehicle based on liquid oxygen methane engine has excellent performance in reuse and maintenance,and is easier to achieve low cost.Countries around the world are accelerating relevant research and engineering development.Typical representatives include the Vulcan launch vehicle of the United States,and the ZhuQue-2 launch vehicle of LandSpace.The technical characteristics and technical challenges of the reusable launch vehicle based on liquid oxygen methane engine are analyzed.The following key research contents are proposed,including the overall design and evaluation of reuse,GNC technology for ascent and reentry and return landing,large-scale lightweight structure and manufacturing technology,reuse of LOX engine,health prediction management and reuse operation and maintenance technology,reuse thermal protection technology etc.It will lay a foundation for further development of liquid oxygen methane reusable launch vehicle.
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