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CFD-Analysis of the Combustion in the Primary Stage of a Two-Stage Combustion Chamber

[+] Author Affiliations
Klaus Hoerzer, Hermann Haselbacher

Vienna University of Technology, Vienna, Austria

Anthony J. Griffiths, Nick Syred, Thomas A. Fraser

Cardiff University, Cardiff, Wales, UK

Paper No. GT2002-30610, pp. 799-805; 7 pages
doi:10.1115/GT2002-30610
From:
  • ASME Turbo Expo 2002: Power for Land, Sea, and Air
  • Volume 1: Turbo Expo 2002
  • Amsterdam, The Netherlands, June 3–6, 2002
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-3606-1 | eISBN: 0-7918-3601-0
  • Copyright © 2002 by ASME

abstract

Combustion of wood powder may be applied in a two-stage multi-inlet combustion chamber. The primary stage of the combustion chamber has tangential air inlets to provide high swirl flow. The wood powder and its conveying air enter the gasification chamber axially through a center inlet in the bottom. The aim of the investigation was the analysis of the combustion flow of the primary stage of the combustion chamber. The calculation grid was three-dimensional and unstructured. Turbulence was modelled with the Reynolds-Stress-Model, species with mixture fraction/pdf-approach, radiation with the P1-model. Postprocessing has been done for particle tracks, the temperature distribution and tangential velocity distribution and for the species distributions of solid carbon, carbon monoxide, carbon dioxide and oxygen as well.

Copyright © 2002 by ASME

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