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Type: Conference paper
Title: Dependence of MILD combustion on fuel-air injection pattern within a recuperative furnace
Author: Craig, R.
Dally, B.
Mi, J.
Citation: Proceedings of the Australian Combustion Symposium, held in Brisbane, Australia, 2-4 December 2009: pp. 1-4
Publisher: University of Queensland
Publisher Place: CD
Issue Date: 2009
ISBN: 9781864999792
Conference Name: Australian Combustion Symposium (2009 : Brisbane, Qld.)
Organisation: Institute for Mineral and Energy Resources
Statement of
R.A. Craig, B.B. Dally, and J. Mi
Abstract: A MILD combustion furnace was used to examine the feasibility of both counterflow and co-flow firing of reactants: natural gas (91.4% CH4) and air. It was found that the stability of MILD combustion under the counterflow conditions is highly sensitive to the momentum ratio of fuel to air ejecting into the furnace and that the present furnace geometry does not lend itself to this flow configuration. For most of the counterflow conditions studied, the exhaust gasses contained unburned hydrocarbons as well as high levels of CO and H2, implying that fuel short circuiting was occurring inside the furnace. In contrast, the co-flow firing configurations, especially with premixing of the reactants, have proven to work extremely well. Very low emissions of CO, H2 and NOx were recorded for a variety of equivalence ratios and firing rates.
Keywords: Flameless Combustion, MILD Combustion, UHC, NOx
Rights: Copyright status unknown
RMID: 0020096511
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Appears in Collections:Institute for Mineral and Energy Resources publications
Environment Institute publications

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