CUED Publications database

Heat removal system for shutdown in nuclear thermal rockets and advanced concepts

Arias, FJ and Parks, GT (2017) Heat removal system for shutdown in nuclear thermal rockets and advanced concepts. Journal of Spacecraft and Rockets, 54. pp. 966-971. ISSN 0022-4650

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Abstract

A study was conducted to derive a first estimate of how much hydrogen would be needed to prevent the core from overheating after shutdown and, from this, be able to assess the advantages of using a dedicated decay heat removal system to reduce or eliminate the amount of hydrogen needed to prevent the core from overheating after shutdown. It was demonstrated that the use of such a heat removal system could be needed by certain special nuclear thermal propulsion concepts, such as the fission fragment rocket or the recently proposed pulsed nuclear thermal rocket where significant amplification of specific impulse, along with thrust could be obtained by the direct use of fission fragments or by pulsing the nuclear core.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div A > Energy
Depositing User: Cron Job
Date Deposited: 17 Aug 2017 01:21
Last Modified: 26 Oct 2017 01:55
DOI: