一氧化二氮催化分解的研究与应用

为了建立小卫星新型多模式推进系统，英国Surrey公司从1990年开始研究一氧化二氮催化分解。研究重点是可多次肩动的一氧化二氮单元推进剂推力室，适用于小卫星的位置保持和相位保持。推力室催化剂床的尺寸取决于催化剂床装填系数和轴向温度分布。建议采用Ergun公式估算通过催化剂床的压力降。推进剂最大流量依赖于一氧化二氮供应系统自身增压能力。

Research and Application of Nitrous Oxide Catalytic Decomposition

To set up a new type multi-mode propulsion system for small satellite, British Surrey Company has started to research nitrous oxide catalytic decomposition since 1990. The research emphasisis restartable nitrous oxide monopropellant thruster suitable for keeping the position and phase of small satellite. The size of the catalyst bed is decided by the catalyst bed pack coefficient and axial temperature distribution. It is suggested that adopting the Ergun formula estimates the pressure drop in catalyst bed. The most flux of the propellant depends on the self-pressurizing ability of the nitrous oxide supply system.