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Preliminary Gas Turbine Combustor Design Using a Genetic Algorithm FREE

[+] Author Affiliations
Arnaud Despierre, Peter J. Stuttaford, Philip A. Rubini

Cranfield University, Cranfield, Bedfordshire, UK

Paper No. 97-GT-072, pp. V002T06A007; 8 pages
doi:10.1115/97-GT-072
From:
  • ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Orlando, Florida, USA, June 2–5, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7869-9
  • Copyright © 1997 by ASME. © British Crown copyright 1997/DERA. Published by the American Society of Mechanical Engineers with permission of the Controller of Her Majesty’s Stationery Office

abstract

A genetic algorithm, coupled with a versatile preliminary design tool, is employed to demonstrate the concept of an autonomous design procedure for gas turbine combustors with user specified performance criteria.

The chosen preliminary design program utilises a network based approach which provides considerable geometric flexibility allowing for a wide variety of combustor types to be represented. The physical combustor is represented by a number of independent, though interconnected, semi-empirical sub-flows or elements. A full conjugate heat transfer model allows for convection, conduction and radiative heat transfer to be modelled and a constrained equilibrium calculation simulates the combustion process. The genetic algorithm, whose main advantage lies in its robustness, uses the network solver in order to progress towards the optimum design parameters defined by the user. The capabilities of the genetic program are demonstrated for some simple design requirements, for example zone fuel/air ratio, pressure drop and wall temperatures.

Copyright © 1997 by ASME. © British Crown copyright 1997/DERA. Published by the American Society of Mechanical Engineers with permission of the Controller of Her Majesty’s Stationery Office
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