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Circulator Design/Technology Evolution for Gas-Cooled Nuclear Reactors FREE

[+] Author Affiliations
Colin F. McDonald

General Atomics, San Diego, CA

Ian R. Marshall, John Donaldson

James Howden & Company, Ltd., Renfrew, UK

Paper No. 92-GT-079, pp. V003T08A001; 10 pages
doi:10.1115/92-GT-079
From:
  • ASME 1992 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Cologne, Germany, June 1–4, 1992
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7895-8
  • Copyright © 1992 by ASME

abstract

The circulator is a key component in a gas-cooled nuclear power plant since it facilitates transfer of the reactor thermal energy (via the steam generator) to the electrical power conversion system. Circulator technology is well established and about 200 machines, which, in their simplest form, consist of an electrical motor driven compressor, have operated for many millions of hours worldwide in gas-cooled reactors. This paper covers the evolution of circulator design, technology and operating experience, with particular emphasis on how lessons learned over the last four decades (dominantly from the carbon dioxide cooled plants in the U.K.) are applicable to the helium cooled Modular High Temperature Gas-Cooled Reactor (MHTCR) which should see service in the U.S. at the turn of the next century. State-of-the-art technologies are covered in the areas of impeller selection, bearings, drive system, machine operation, and future trends are Identified.

Copyright © 1992 by ASME
This article is only available in the PDF format.

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