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Mission Performance of the Dual-Mode Hybrid Engine

机译:双模混合动力发动机的任务性能

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Electric propulsion Ministers with specific impulses from 1000s to 4000s are of interest for various mission applications. Mass constrained missions desire higher specific impulses, while time constrained GEO missions will optimize towards lower specific impulse and a higher thrust-to-power ratio. In the range of 1000 - 4000s specific impulse, thrusters are typically Hall thrusters for the higher thrust-to-power and gridded-ion engines for higher specific impulse. Mission flexibility can be increased by a thruster with a range of operability while maintaining high efficiency. A Dual-Mode Hybrid engine can provide mission flexibility with a single device providing either shorter transfer times or higher delivered mass without system complexities of multiple thruster systems. Dual-Mode Hybrid engine mission performance capabilities are presented herein.
机译:具有1000到4000 s的特定脉冲的电动推进部长对于各种任务应用很感兴趣。质量受约束的任务需要更高的比冲,而受时间限制的GEO任务将朝着更低的特定冲力和更高的推力比进行优化。在1000-4000s的比冲范围内,推进器通常是霍尔推力器,用于更高的推力功率,而网格离子发动机则用于更高的比冲。推进器具有一定的可操作性,可以在保持高效率的同时提高任务灵活性。双模式混合动力发动机可通过单个设备提供任务灵活性,从而提供更短的传输时间或更高的输送质量,而无需多个推进器系统的系统复杂性。本文介绍了双模式混合动力发动机的任务执行能力。

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