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Combustion Performance Improved by Atomization for a Gas Turbine Engine Burning Diesel

[+] Author Affiliations
Xiaohua Gan, Zhonggao Su, Hongming Wang, Yan Dong

Beijing Aeronautical Engineering Technology Research Center

Paper No. IMECE2006-16287, pp. 365-371; 7 pages
doi:10.1115/IMECE2006-16287
From:
  • ASME 2006 International Mechanical Engineering Congress and Exposition
  • Energy Conversion and Resources
  • Chicago, Illinois, USA, November 5 – 10, 2006
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 0-7918-4783-7 | eISBN: 0-7918-3790-4
  • Copyright © 2006 by ASME

abstract

In this paper, an emission control technology for a gas turbine engine is studied. When an aero gas turbine engine WJ5A is modified to drive ground electrical generator, some pollutant emission problems, such as black smoke and excessive NOx, have arisen from the substitution of diesel fuel for aero fuel. In order to reduce these emissions, the original pressure-swirl atomizers are replaced by the air-assist atomizers, which can enhance the atomization quality, to expand the combusting zone, and to improve air to fuel ratio in primary zone of the combustor. Experimental studies on the atomization, combustion and the engine tests with the atomizers are conducted. The experiments show that the pollutant emission decreases significantly through the air-assist atomizers.

Copyright © 2006 by ASME

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