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The goal of the triagency SP-100 Program is to develop long-lived, compact, lightweight, survivable nuclear reactor space power systems for application to the power range 50 kWe to 1 MWe.
SP-100 nuclear power system. SP-100 (S pace reactor P rototype [1]) was a U.S. research program for nuclear fission reactors usable as small fission power systems for spacecraft. [2] It was started in 1983 by NASA, the US Department of Energy and other agencies. [3]
1 Ιαν 1991 · The SP-100 Program is developing a nuclear reactor power system that can enhance and/or enable future civilian and military space missions. The program is directed to develop space reactor technology to provide electrical power in the range of tens to hundreds of kilowatts.
DARPA, in conjunction with DOE`s Office of Nuclear Energy, and NASA`s Office of Aeronautics and Space Technology are jointly sponsoring a space nuclear reactor power system program known as the Space Power-100 (SP-100) Development Project. The program is presently in the critical technology phase.
An update on the SP-100 reactor subsystem design and performance is provided. Several key requirements have influenced the design substantially as the more detailed nuclear, thermal/hydraulic, and structural analyses have been completed for the various mission phases including accident safety performance characteristics.
1 Φεβ 2022 · The Stirling cycle combined with a liquid metal cooling reactor can achieve a power output of 100 kW, such as the SP-100 space reactor system design. The SP-100 space reactor was designed to be scalable from 10 s kWe to 100 s kWe with a generic design of 100 kWe, to accommodate a variety of missions ( Demuth, 2003 ).
A lithium-cooled compact fast reactor was selected as the best candidate system. The material selected for the thermoelectric conversion system was silicon germanium (SiGe) with gallium phosphide doping.
