A need has been identified for a small, light‐weight, reliable power source using a radioisotope heat source, to power the next generation of NASA’s small surface rovers and exploration probes. Unit performance, development costs, and technical risk are key criteria to be used to select the best design approach. Because safety can be a major program cost and schedule driver, RTG designs should utilize the DOE radioisotope safety program’s data base to the maximum extent possible. Other aspects important to the conceptual design include: 1) a multi‐mission capable design for atmospheric and vacuum environments, 2) a module size based on one GPHS Step 2 module, 3) use of flight proven thermoelectric converter technologies, 4) a long service lifetime of up to 14 years, 5) maximize unit specific power consistent with all other requirements, and 6) be ready by 2013. Another critical aspect of the design is the thermal integration of the RTG with the rover or probe’s heat rejection subsystem and the descent vehicle’s heat rejection subsystem. This paper describes two multi‐watt RTG design concepts and their integration with a MER‐class rover.


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    Titel :

    Multi‐Watt Small Radioisotope Thermoelectric Generator Conceptual Design Study


    Beteiligte:
    Determan, William R. (Autor:in) / Otting, William (Autor:in) / Frye, Patrick (Autor:in) / Abelson, Robert (Autor:in) / Ewell, Richard (Autor:in) / Miyake, Bob (Autor:in) / Synder, Jeff (Autor:in) / El-Genk, Mohamed S. (Herausgeber:in)

    Kongress:

    SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM-STAIF 2007: 11th Conf Thermophys.Applic.in Micrograv.; 24th Symp Space Nucl.Pwr.Propulsion; 5th Conf Hum/Robotic Techn & Vision Space Explor.; 5th Symp Space Coloniz.; 4th Symp New Frontrs & Future Con ; 2007 ; Albuquerque, New Mexico (USA)


    Erschienen in:

    AIP Conference Proceedings ; 880 , 1 ; 624-630


    Erscheinungsdatum :

    30.01.2007


    Format / Umfang :

    7 pages





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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