A detailed thermal model of the conical evaporator of Pluto/Express AMTEC cells is developed to evaluate the effect of evaporator cone angle (between 0° and 90°) on the cell performance and temperature margin. The model calculates the effect of the cone angle on the vapor exit temperature and mass flow rate as a function of the cell design, operating hot side and condenser temperatures, external load resistance, and the design and type of the structure materials of the evaporator standoff. This paper describes the evaporator thermal model, and the numerical approach and method of solution used. Results were not available at the time of publication, but will be presented at the conference.


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    Title :

    A thermal model of the conical evaporator in Pluto/Express, multi-tube AMTEC cells



    Conference:

    Space technology and applications international forum -1999 ; 1999 ; Albuquerque, New Mexico (USA)


    Published in:

    AIP Conference Proceedings ; 458 , 1 ; 1526-1533


    Publication date :

    1999-01-22


    Size :

    8 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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    Tournier, J.-M. / El-Genk, M. S. / University of New Mexico; School of Engineering; Institute for Space and Nuclear Power Studies | British Library Conference Proceedings | 1999


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    Conical evaporator and liquid-return wick model for vapor anode, multi-tube AMTEC cells

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