There are several terrestrial applications for energy conversion systems with electrical outputs of a few volts in the power range from hundreds of milliwatts to a few watts. Potential applications include: power for instrumentation, communication and device actuation in severe or harsh environments, as well as a variety of low duty cycle monitoring tasks for the military. For cost and/or packaging reasons, some of these applications are severely heat source limited. In this paper we describe the development and performance of AMTEC systems capable of producing 0.3 to 0.5 watts from a radioisotope heat source limited to a total thermal output of less than 4 watts, The approach utilizes a new "chimney cell" design and a thermal insulation system consisting of a specialized multi-layer insulation (MLI) package in combination with fibrous insulation. The cell operates at 0.4 W/sub c/ to over 0.5 W/sub c/ with an input surface temperature of 700/spl deg/C. Measurements of the thermal performance of a readily manufactured MLI package indicate that operation at these temperatures will be achievable with a total heat input of /spl sim/4 W/sub th/.


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    Titel :

    Micro-power Amtec systems


    Beteiligte:
    Lignell, K. (Autor:in) / Sievers, R. (Autor:in) / Mattes, B. (Autor:in) / Pantolin, J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.03.2001


    Format / Umfang :

    414811 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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