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Characterization of Engine Stabilization for Diagnostic and Acceptance Testing FREE

[+] Author Affiliations
J. W. Bird, A. I. Georgantas, B. C. Barry

National Research Council, Ottawa, Canada

J. P. Francoeur, P. House

National Defence, Ottawa, Canada

Paper No. 96-GT-288, pp. V005T15A021; 8 pages
doi:10.1115/96-GT-288
From:
  • ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General
  • Birmingham, UK, June 10–13, 1996
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7876-7
  • Copyright © 1996 by ASME

abstract

Possible changes to F404 turbofan engine test procedures have been investigated to reduce cost and time. The current procedures specify either fixed waiting times or stable conditions before acquiring data for performance checks. These stabilization times can account for several thousand litres of fuel. A literature-supported, experimental study is described to quantify stabilized operation. A set of derived stabilization indices are compared to measured data. Possible reductions in single tests ranged from 30 to 200 seconds. Variations are presented resulting from ambient conditions, and the extent of throttle movement Fuel savings of 300 to 700 litres are estimated depending on the maintenance test and are projected to about $100K on an annual, fleet-wide basis. Heat transfer modelling and validation issues are also discussed.

Copyright © 1996 by ASME
Topics: Engines , Testing
This article is only available in the PDF format.

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