The advanced Stirling engine/alternator developed by Stirling Technology Company has potential for a wide range of space applications, at an efficiency comparable to solar cells and triple that of thermoelectric elements. However, the unique design of the Stirling engine requires a concentrated heat input in an annular band which would be optimized with an advanced heat source design. The concentrated heat rejection area of the Stirling engine would also be optimized with the use of a Capillary Pumped Loop to transport the waste heat from the engine. This advanced concept will explore using a Capillary Pumped Loop to transport the waste heat to the mission spacecraft for operational heating. Use of these advanced techniques will allow a specific power approaching 8  W e /kg , compared to 5  W e for a conventional RTG.


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    Title :

    Modular Stirling Radioisotope Power System (SRPS) using an advanced heat source


    Contributors:

    Conference:

    Space Technology and Applications International Forum - 2001 ; 2001 ; Albuquerque, New Mexico


    Published in:

    AIP Conference Proceedings ; 552 , 1 ; 995-997


    Publication date :

    2001-02-02


    Size :

    3 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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