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Development of Global Optimization Method for Design of Turbine Stages

[+] Author Affiliations
Hiroyuki Kawagishi

Toshiba Corporation, Yokohama, Japan

Kazuhiko Kudo

Hokkaido University, Sapporo, Japan

Paper No. GT2005-68290, pp. 1041-1049; 9 pages
  • ASME Turbo Expo 2005: Power for Land, Sea, and Air
  • Volume 6: Turbo Expo 2005, Parts A and B
  • Reno, Nevada, USA, June 6–9, 2005
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4730-6 | eISBN: 0-7918-3754-8
  • Copyright © 2005 by ASME


A new optimization method which can search for the global optimum solution and decrease the number of iterations was developed. The performance of the new method was found to be effective in finding the optimum solution for single- and multi-peaked functions for which the global optimum solution was known in advance. According to the application of the method to the optimum design of turbine stages, it was shown that the method can search the global optimum solution at approximately one seventh of the iterations of GA (Genetic Algorithm) or SA (Simulated Annealing).

Copyright © 2005 by ASME



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