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The Optimum Parameters of a HTGR Helium Turbine Cycle and Numerical Analyses of Helium Turbine Cascades

[+] Author Affiliations
Jiahui Zhou, Qun Zheng, Yijin Li

Harbin Engineering University, Harbin, China

Paper No. GT2006-91126, pp. 867-876; 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


Modular high temperature gas-cooled reactor (HTGR) coupled with helium turbine is considered as one of the leading candidates for future nuclear power plants. This paper analyzes the thermodynamic process of the precooled, intercooled and regenerated HTGR gas turbine cycle, presents the effects of various parameters on the efficiency, and derives an optimum pressure ratio. In addition, the turbine cascades performances of different working fluids, say helium and air, are numerically simulated with CFD software. Comparisons between the two cascades are made in this paper.

Copyright © 2006 by ASME



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