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Design Considerations for Naphtha Fuel Systems in Combustion Turbines FREE

[+] Author Affiliations
John Brushwood, Timothy McElwee

Westinghouse Electric Corporation, Orlando, FL

Paper No. 97-GT-037, pp. V002T05A004; 6 pages
doi:10.1115/97-GT-037
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

abstract

Naphtha fuel for combustion turbines possesses some unique physical properties that must be considered in the design of the fuel delivery system for trouble free operation. The fuel system must be designed to start the turbine on natural gas; distillate or naphtha, transfer to the secondary fuel and back to the original fuel; over a defined load range. The timing and permissives required for these events to occur smoothly, without tripping the unit, demand full control over the flow, temperature and pressure of all fuels involved. The same delivery system is often used to deliver other fuels that differ in density, volatility, vapor pressure and flow, compounding the design process. This paper examines some of the design attributes employed in Westinghouse combustion turbines that are fueled by naphtha and natural gas. The design considerations and modifications to the conventional fuel delivery system are the subjects of this paper.

Copyright © 1997 by ASME
This article is only available in the PDF format.

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