A New Matching Procedure for Multishaft Gas Turbines Modelled With the Mean Line Prediction Method FREE

[+] Author Affiliations
Bjørn M. Hånde

Oil Engineering Consultants, Sandvika, Norway

Paper No. 94-GT-493, pp. V004T10A031; 6 pages
  • ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • The Hague, Netherlands, June 13–16, 1994
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7886-6
  • Copyright © 1994 by ASME


A new matching procedure adapted for multishaft gas turbines modelled with the mean line prediction method, is presented. Mass flow and pressure convergence is achieved with stage by stage marching in the flow direction where the high pressure and low pressure units are treated together. Independent iteration on the power balance gives a stable procedure that can be applied in static as well as dynamic simulations. The procedure can be accelerated with an algoritm combining an advanced version of the Ellipse equation with the mean line prediction method.

Copyright © 1994 by ASME
Topics: Gas turbines
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