Low NOx Combustor for Automotive Ceramic Gas Turbine: Conceptual Design PUBLIC ACCESS

[+] Author Affiliations
Masafumi Sasaki, Hirotaka Kumakura, Daishi Suzuki

Nissan Motor Co., Ltd., Yokosuka, Japan

Paper No. 91-GT-369, pp. V002T04A014; 10 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7899-6
  • Copyright © 1991 by ASME


Three low NOx combustors, i.e. a lean premixing combustor, a rich-lean two stage combustor and a lean diffusion flame combustor, were tested in order to find out a suitable combustion concept for an automotive ceramic gas turbine combustor. The prevaporization-premixing lean combustion was proposed as the most promising candidate to meet Japanese 10 mode regulation for gasoline passenger car.

The required conditions for the uniform premixture formation in the prevaporization-premixing tube were achieved by a fine droplet size atomizer and by means of swirl and turbulent generator. Air ratio range, air loading and other dimension criteria in the lean primary combustion zone were also proposed in the present paper.

Copyright © 1991 by ASME
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