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A comparison between the combustion of natural gas and partially reformed natural gas in an atmospheric lean premixed turbine-type combustor

Författare

  • Frank Delattin
  • Abderahman Rabhiou
  • Svend Bram
  • Jacques De Ruyck
  • Raik Orbay
  • Jens Klingmann
  • Alexander A Konnov

Summary, in English

A small-scale combustor was set up to analyze the combustion of natural gas and two mixtures of partially reformed natural gas. The partially reformed mixtures can be formed using biomass to feed the endothermic reforming reactions. Before combusting these mixtures in a gas turbine, experimental work was done on a primary zone combustion chamber to examine the combustor behavior when switching from natural gas to the wet and dry hydrogen-rich mixtures. Temperature profiles, flame location and ignition limits have been investigated for a variety of stoichiometries and several air temperatures. Possible problems concerning blow-off, flashback, increased pollutant products and excessive liner wall temperatures were analyzed. It was concluded that the switch in operation from natural gas to these wet and/or dry partially reformed natural gas mixtures lowers the blow-off limits while maintaining similar liner wall temperature profiles. Furthermore, no significant changes in pollutant production were observed. Flame area, shape and position display considerable differences in combustion regime for the three tested fuel types.

Avdelning/ar

Publiceringsår

2008

Språk

Engelska

Sidor

1478-1501

Publikation/Tidskrift/Serie

Combustion Science and Technology

Volym

180

Issue

8

Dokumenttyp

Artikel i tidskrift

Förlag

Taylor & Francis

Ämne

  • Energy Engineering

Nyckelord

  • reforming
  • hydrogen
  • combustion
  • flame

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1563-521X