Design study of nuclear power systems for deep space explorers (2) electricity supply capabilities of solid cores

Akifumi Yamaji, Takakazu Takizuka, Kunihiko Nabeshima, Takamichi Iwamura, Hajime Akimoto

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

1 Citation (Scopus)

Abstract

This study has been carried out in series with the other study, "Criticality of Low Enriched Uranium Fueled Core" to explore the possibilities of a solid reactor electricity generation system for supplying propulsion power of a deep space explorer. The design ranges of two different systems are determined with respect to the electric power, the radiator mass, and the operating temperatures of the heat-pipes and thermoelectric converters. The two systems are the core surface cooling with heat-pipe system (CSHP), and the core direct cooling with heat-pipe system (CDHP). The evaluated electric powers widely cover the 1 to 100 kW range, which had long been claimed to be the range that lacked the power sources in space. Therefore, the concepts shown by this study may lead to a breakthrough of the human activities in space. The working temperature ranges of the main components, namely the heat-pipes and thermoelectric converters, are wide and covers down to relatively low temperatures. This is desirable from the viewpoints of broadening the choices, reducing the development needs, and improving the reliabilities of the devices. Hence, it is advantageous for an early establishment of the concept.

Original languageEnglish
Title of host publicationInternational Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009
PublisherAtomic Energy Society of Japan
Pages2495-2502
Number of pages8
Volume3
ISBN (Print)9781617386084
Publication statusPublished - 2009
Externally publishedYes
EventInternational Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009 - Shinjuku, Tokyo, Japan
Duration: 2009 May 102009 May 14

Other

OtherInternational Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009
CountryJapan
CityShinjuku, Tokyo
Period09/5/1009/5/14

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ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering

Cite this

Yamaji, A., Takizuka, T., Nabeshima, K., Iwamura, T., & Akimoto, H. (2009). Design study of nuclear power systems for deep space explorers (2) electricity supply capabilities of solid cores. In International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009 (Vol. 3, pp. 2495-2502). Atomic Energy Society of Japan.