Development status and trend of novel green monopropellant
With the increasing concern about ecological environment,safety and the development of space propulsion technology,a new requirement for green or non-toxic propellant has been put forward,and the novel green monopropellant propulsion system has become one of the important research directions of space propulsion.Hydroxyammonium nitrate-based monopropellant(HAN-based monopropellant)and dinitrate ammonium-based monopropellant(ADN-based monopropellant)have the characteristics of green and pollution-free,high density,adjustable specific impulse performance,low saturation vapour pressure and low maintenance cost,which can be used in the attitude control system of satellites,spacecraft,launch vehicles,etc.Both HAN-based monopropellant and ADN-based monopropellant have been demonstrated several times,and have attracted much attention in the aerospace field.
the novel green monopropellant propulsion systemHAN-based monopropellantADN-based monopropellantattitude-orbit control system
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