Lean premixed flames for low NO{sub x} combustors

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The overall objectives of the research at Purdue are to: obtain a reduced mechanism description of high pressure NO formation chemistry using experiments and calculations for laminar lean premixed methane air flames, develop a statistical model of turbulence NO chemistry interactions using a Bunsen type jet flame, and utilize the high pressure chemistry and turbulence models in a commercial design code, then evaluate its predictions using data from an analog gas turbine combustor. Work to date has resulted in the following achievements: spatially resolved measurements of NO in high-pressure high-temperature flat flames, plus evaluation of the influence of flame radiation ... continued below

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29 p.

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Sojka, P.; Tseng, L. & Bryyjak, J. December 31, 1995.

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Description

The overall objectives of the research at Purdue are to: obtain a reduced mechanism description of high pressure NO formation chemistry using experiments and calculations for laminar lean premixed methane air flames, develop a statistical model of turbulence NO chemistry interactions using a Bunsen type jet flame, and utilize the high pressure chemistry and turbulence models in a commercial design code, then evaluate its predictions using data from an analog gas turbine combustor. Work to date has resulted in the following achievements: spatially resolved measurements of NO in high-pressure high-temperature flat flames, plus evaluation of the influence of flame radiation on the measured temperature profile; measurements of temperature and velocity PDFs for a turbulent methane/air flame were obtained for the first time, under operating conditions which allow their study in the distributed regimes, and the increase in EINO{sub x} with equivalence ratio predicted using a chemical kinetics model; and simulation of non-reacting combustor flow fields from ambient to elevated pressure and temperature conditions and comparison of those results with experimental velocity profiles.

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29 p.

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OSTI as DE96008912

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  • Advanced turbine systems (ATS) annual review, Morgantown, WV (United States), 17-18 Oct 1995

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  • Other: DE96008912
  • Report No.: DOE/MC/29061--96/C0658
  • Report No.: CONF-9510109--5
  • Grant Number: FC21-92MC29061
  • Office of Scientific & Technical Information Report Number: 219263
  • Archival Resource Key: ark:/67531/metadc665445

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  • December 31, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 2, 2015, 4:43 p.m.

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Sojka, P.; Tseng, L. & Bryyjak, J. Lean premixed flames for low NO{sub x} combustors, article, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc665445/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.