论文部分内容阅读
美国正在研究几种能在给定运载工具重量时大大提高运载能力的新的推进方式,从而大幅度减少空间运输成本.问题是能否使以下两种可能成为现实:1)燃烧原子或分子处于受激态的物质;2)利用质量相同、电荷相反的反物质使物质湮灭.如果能将其中任何一个过程所释放的大部分能量转化为火箭排气的有用功能,那末,发动机比冲将提高1—5倍,从而可使航天器的重量减轻3/4—11/12.由于受激物质燃料能产生极大比冲,因此只需用重量比现有民用航空喷气发动机还轻的单级入轨(SSTO)运载器就能将很重的载荷送入地球轨道.
The United States is studying several new ways of propulsion that can significantly increase the carrying capacity given the weight of a vehicle, thereby drastically reducing the cost of space transportation.The question whether it is possible to make either: 1) that the burning atom or molecule is in Excited substances 2) Annihilate substances with the same, oppositely charged antimatter If the majority of the energy released by any of these processes is converted into useful functions of the rocket exhaust, then the engine specific impulse will increase by 1 -5 times, which can reduce the weight of the spacecraft 3 / 4-11 / 12. Due to the excitement of the fuel can produce a great specific impulse, so only with the weight of the existing civil jet engine is also lighter than the single-stage into SSTO carriers can send heavy loads into orbit.