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Investigation of High-Altitude Ignition Performance of Several Chinese Jet Fuels With Different Properties PUBLIC ACCESS

[+] Author Affiliations
Neng-Kuen Chen

Beijing Institute of Aero. and Astro., People’s Republic of China

Paper No. 87-GT-178, pp. V003T06A026; 8 pages
doi:10.1115/87-GT-178
From:
  • ASME 1987 International Gas Turbine Conference and Exhibition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Anaheim, California, USA, May 31–June 4, 1987
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7925-2
  • Copyright © 1987 by ASME

abstract

Investigation of high-altitude ignition performance of several Chinese jet fuels with different properties has been conducted at a simulated altitude facility. Jet fuels were tested in a small pilot combustion chamber taken from an existing aeroengine. The fuels consist of Da-Qing oil, Da-Gang oil, Nan-Jing oil, Gu-Dao oil (so called as high density fuel) as well as a compound oil. Test results show that the lower the fuel density (its viscosity is also lower, but vapour pressure is higher), the better the high-altitude ignition performance. The high-altitude ignition performance of high density fuel is rather bad, but can be significantly improved by mixing it with a small quantity of low density oil (about 10 percent). Using a small flow number atomizer may obviously improve the weak ignition limit of the high density fuel, but the ignition velocity-pressure limit and the rich ignition limit are shrunk. Test results also show that prevailing theory model for spark ignition is feasible.

Copyright © 1987 by ASME
Topics: Jet fuels , Ignition
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