Hydrazine propellant has historically been used as a rocket thruster monopropellant since the mid-1960s. Mission managers are well aware of its characteristics and performance. However, it is a known toxic chemical and a wide effort is underway to reduce and/or eliminate its use worldwide. Several new propellant combinations have been developed in the last few years which tout or promise to provide same or better performance as hydrazine while being 'non-toxic' or 'green'. Yet, there is no consistent definition for what constitutes 'non-toxic' or 'green', and thus no good figure of merit for which to compare. This paper seeks to review the three major categories of figures of merit, and discusses how they might be used to assess the viability of a propellant.
Recommended Figures of Merit for Green Monopropellants
2013
13 pages
Report
No indication
English
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