Space Power Volume 9 Numbers 2&3 1990

phosphide) thermoelectric power conversion system engineering data base and analytical design tools necessary for technology readiness. The flight system development and qualification, Phase III, will develop and use the space reactor power system on a specific military or civilian mission. Objective The SP-100 GES project objective is to provide the engineering data base and the analytical design tools that are needed to design, fabricate and qualify a space reactor power system for specific future military or civilian space missions within the power range of 10 to 1000 kWe. The activities that define the SP-100 GES project are summarized graphically in Fig. 1. The technical specifications, which were developed in Phase I based on mission studies, are the generic mission requirements imposed on a flight space reactor power system design. The resulting flight power system design and specification that satisfies the technical specification is called the generic flight system (GFS). The GFS was designed to the detail necessary to define the lifetime, performance, safety, reliability, survivability and scalability requirements of the subsystems and components. The analytical and experimental tasks, necessary to show that the technologies [1] defined for the GFS do meet the mission requirements [2], will be detailed and described in a validation plan. The major activities of the SP-100 GES project will then be conducted in accordance with the validation plan. The endproduct of the SP-100 GES project is the technical engineering data base, the verified analytical design tools used to validate the GFS design of the uranium nitride reactor and the improved silicon geranium thermoelectric heat-to-electric converter power system. The data base and design tools from this Phase II will be used in Phase III to design, fabricate and qualify thermoelectric space reactor power systems at power levels from 10 to 1000 kWe for military and civilian missions in the mid 1990s and beyond.

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