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Dynamic Modeling of a Nuclear Gas Turbine Plant: Application to Surge Prediction

[+] Author Affiliations
Nicolas Tauveron

Commissariat a l’Energie Atomique, Grenoble, France

Francis Leboeuf, Pascal Ferrand

Ecole Centrale de Lyon, Ecully Cedex, France

Paper No. GT2006-90142, pp. 23-32; 10 pages
  • ASME Turbo Expo 2006: Power for Land, Sea, and Air
  • Volume 4: Cycle Innovations; Electric Power; Industrial and Cogeneration; Manufacturing Materials and Metallurgy
  • Barcelona, Spain, May 8–11, 2006
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4239-8
  • Copyright © 2006 by ASME


This work concerns the dynamic modeling of closed cycle gas turbine with a nuclear heat source. The paper focuses on a particular safety question: the consequences of a hypothetical large break accident. A model of the whole circuit of the Gas Fast Reactor (GFR) has been built using a specific turbo-machine description. The compressor modeling presented in a separate paper [1] is completed with turbine modeling. Transient simulation results point out the importance of the location of the pipe rupture: in some detailed cases, back flow through the core can occur during the first seconds. The other safety question concerns the capacity of the power conversion unit to extract the decay heat from the nuclear core after the break event.

Copyright © 2006 by ASME



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