A systems study of a stirling convertor based space nuclear power system

Joseph Vanderveer, Robert Sievers, Michael Amato, Maurice White, William Anderson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A study of several systems of a Stirling convertor based nuclear power system was performed. The study included the Stirling convertor hot side interface, Stirling convertor cold side interface, and the generator heat rejection system. Analysis indicates a one-size-fits-all approach does not work for system components. The hot side interface options decrease the temperature drop from the baseline of 80C down to 8C. However, the hot side interface has a trade-off of development risks (time and money) vs flight risks (more development, but more robust system overall), which needs to be performed for the available resources during development. The cold side interface has little influence to select either heat pipe or pumped coolant and the option should be left open for the heat rejection system. The heat rejection system study pushes the simpler design fixed heat pipe design for the smaller scale systems, but tends to a more complex pumped coolant wing design for the larger scale systems. Performance for the various options is similar, but size, robustness, and risk are the differentiating factors.

Original languageEnglish (US)
Title of host publicationAIAA Propulsion and Energy Forum and Exposition, 2019
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624105906
DOIs
StatePublished - 2019
EventAIAA Propulsion and Energy Forum and Exposition, 2019 - Indianapolis, United States
Duration: Aug 19 2019Aug 22 2019

Publication series

NameAIAA Propulsion and Energy Forum and Exposition, 2019

Conference

ConferenceAIAA Propulsion and Energy Forum and Exposition, 2019
Country/TerritoryUnited States
CityIndianapolis
Period8/19/198/22/19

All Science Journal Classification (ASJC) codes

  • General Energy
  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Mechanical Engineering

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