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Modification of the Rolls-Royce Model MT5S Gas Turbine Engine Fuel Nozzle for Extended Fuel Flow Rates

[+] Author Affiliations
Jack Halsey, Leonard Overton

Rolls-Royce Marine North America, Indianapolis, IN

Philip Buelow, David Bretz

Delevan, Inc., West Des Moines, IA

Paper No. GT2014-25303, pp. V01BT23A002; 7 pages
doi:10.1115/GT2014-25303
From:
  • ASME Turbo Expo 2014: Turbine Technical Conference and Exposition
  • Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines
  • Düsseldorf, Germany, June 16–20, 2014
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4558-5
  • Copyright © 2014 by Rolls-Royce Marine North America Inc.

abstract

The Rolls-Royce Model MT5S gas turbine engine was selected for use in the auxiliary turbine genset (ATG) of the DDG1000. This engine initially used the same fuel nozzle as the Model 501-K34 engine used in the DDG51 class ships. The Model MT5S can operate at higher powers levels and fuel flows. The fuel nozzle for the Model MT5S gas turbine engine experienced coking problems at the higher fuel flows. This paper discusses the investigation and solution to the problem to extend the operating range of the fuel nozzle for other applications.

Copyright © 2014 by Rolls-Royce Marine North America Inc.

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