Control Requirements for the RB 211 Low Emission Combustion System PUBLIC ACCESS

[+] Author Affiliations
Nicholas C. Corbett, Norman P. Lines

Rolls-Royce Industrial & Marine Gas Turbines Limited, Ansty, Nr Coventry, England

Paper No. 93-GT-012, pp. V002T13A001; 8 pages
  • ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 2: Combustion and Fuels; Oil and Gas Applications; Cycle Innovations; Heat Transfer; Electric Power; Industrial and Cogeneration; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; IGTI Scholar Award
  • Cincinnati, Ohio, USA, May 24–27, 1993
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7889-7
  • Copyright © 1993 by ASME


The RB 211 DLE series staged, pre-mix, lean burn combustor, demands total integration of control system and combustion hardware.

The controls design process is described from the conception of the Engine Management System (EMS), which provides protection and control in separate environments, through to implementation of engine development testing.

The process of devising an acceptable fuelling strategy to each combustion stage is discussed. This identified the requirements for the computation of complex routines in order to control combustion zone temperatures.

The sensitivity of the control design to external conditions of humidity, ambient temperature and fuel composition are explored.

Extensive simulation was used to determine necessary instrumentation accuracies.

The paper concludes with a review of the development testing and the final control system configuration.

Copyright © 1993 by ASME
This article is only available in the PDF format.



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