The Thermionic Transient Analysis Model (TITAM) is used in this paper to simulate the start‐up of the TOPAZ‐II space nuclear power system in orbit. The start‐up procedures simulated herein are assumed for the purpose of demonstrating the capabilities of the model and may not represent an accurate account of the actual start‐up procedures of the TOPAZ‐II system. The temperature reactivity feedback effects of the moderator, UO2 fuel, electrodes, coolant, and other components in the core are calculated and their effects on the thermal and criticality conditions of the reactor are investigated. Also, estimates of the time constants of the temperature reactivity feedback for the UO2 fuel and the ZrH moderator during start‐up, as well as of the total temperature reactivity feedback as a function of the reactor steady‐state thermal power, are obtained.


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    Titel :

    Start‐up simulation of a thermionic space nuclear reactor system


    Beteiligte:
    El‐Genk, Mohamed S. (Autor:in) / Xue, Huimin (Autor:in) / Paramonov, Dmitry (Autor:in) / El-Genk, Mohamed S. (Herausgeber:in) / Hoover, Mark D. (Herausgeber:in)

    Kongress:

    10th SymposiumùSpace Nuclear Power and Propulsion ; 1993 ; Albuquerque, NM, USA


    Erschienen in:

    AIP Conference Proceedings ; 271 , 2 ; 935-950


    Erscheinungsdatum :

    15.01.1993


    Format / Umfang :

    16 pages





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Startup Simulation of a Thermionic Space Nuclear Reactor System

    El-Genk, M. S. / Xue, H. / Paramonov, D. et al. | British Library Conference Proceedings | 1993


    Nuclear Reactor-Thermionic Space Power Systems

    Snyder, Nathan W. | AIAA | 1961


    System Modeling for the Advanced Thermionic Initiative Single Cell Thermionic Space Nuclear Reactor

    Lee, H. H. / Lewis, B. R. / Klein, A. C. et al. | British Library Conference Proceedings | 1993


    System modeling for the advanced thermionic initiative single cell thermionic space nuclear reactor

    Lee, H. H. / Lewis, B. R. / Klein, A. C. et al. | American Institute of Physics | 1993


    Thermionic nuclear reactor systems

    Kennel, E.B. | Tema Archiv | 1986