Nuclear thermal propulsion (NTP) presents a distinct alternative in the advanced propulsion landscape, providing “medium” efficiencies relative to the “high” efficiency of electric propulsion and the “low” efficiency of chemical propulsion. In exchange for this medium efficiency, NTP provides high acceleration, enabling much shorter operating times than the higher efficiency alternatives, often resulting in shorter trip times. This compromise has led to NTP’s frequent consideration in human missions, where crew health and logistics benefit significantly from the schedule advantages provided by NTP. However, the logistics and timeliness of science return from science missions also potentially stand to benefit from reduced schedules, as many of the high energy missions exceed a decade in trip time. Presented here are the results of analysis looking at three missions: A mission to Neptune’s moon, Triton, a solar polar orbiter, and a mission to interstellar space. Comparisons to results found in literature for conventional, and future propulsion technologies are presented.


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    Title :

    Design Reference Mission Development for Nuclear Thermal Propulsion Enabled Science Missions


    Contributors:

    Conference:

    AIAA ASCEND ; 2020 ; Online, US


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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