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A Study on NOx Emissions From Gas Turbine Combustor FREE

[+] Author Affiliations
Masafumi Sasaki, Takane Itoh

Nissan Motor Co., Ltd., Yokosuka, Japan

Paper No. 86-GT-168, pp. V002T04A006; 5 pages
doi:10.1115/86-GT-168
From:
  • ASME 1986 International Gas Turbine Conference and Exhibit
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • Dusseldorf, West Germany, June 8–12, 1986
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7929-0
  • Copyright © 1986 by ASME

abstract

A conventional diffusion-flame combustor and a two-stage combustor, both made of ceremics, were tested using various fuels.

In both combustors, CO, HC and smoke emission were extremely low even when using heavy-B fuel because of higher than normal inlet temperature of up to 1200 K; however, a great amount of NOx emission was observed in the conventional diffusion-flame combustor. When low-nitrogen fuels such as kerosene were used, a successful reduction of NOx was achieved by providing lean combustion in an improved diffusion-flame combustor. For high-nirogen fuels, the conversion fraction of fuel nitrogen to NOx could be minimized by keeping the equivalence ratio slightly rich in the first stage of the two-stage combustor.

Copyright © 1986 by ASME
This article is only available in the PDF format.

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