Numerical Simulation of Natural Gas-Swirl Burner

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A numerical simulation of a turbulent natural gas jet diffusion flame at a Reynolds number of 9000 in a swirling air stream is presented. The numerical computations were carried out using the commercially available software package CFDRC. The instantaneous chemistry model was used as the reaction model. The thermal, composition, flow (velocity), as well as stream function fields for both the baseline and air-swirling flames were numerically simulated in the near-burner region, where most of the mixing and reactions occur. The results were useful to interpret the effects of swirl in enhancing the mixing rates in the combustion zone as ... continued below

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20 pages

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Qubbaj, Ala March 1, 2005.

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Description

A numerical simulation of a turbulent natural gas jet diffusion flame at a Reynolds number of 9000 in a swirling air stream is presented. The numerical computations were carried out using the commercially available software package CFDRC. The instantaneous chemistry model was used as the reaction model. The thermal, composition, flow (velocity), as well as stream function fields for both the baseline and air-swirling flames were numerically simulated in the near-burner region, where most of the mixing and reactions occur. The results were useful to interpret the effects of swirl in enhancing the mixing rates in the combustion zone as well as in stabilizing the flame. The results showed the generation of two recirculating regimes induced by the swirling air stream, which account for such effects. The present investigation will be used as a benchmark study of swirl flow combustion analysis as a step in developing an enhanced swirl-cascade burner technology.

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20 pages

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OSTI as DE00841149

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  • Other Information: PBD: 1 Mar 2005

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  • Report No.: NONE
  • Grant Number: FG26-01NT41364
  • DOI: 10.2172/841149 | External Link
  • Office of Scientific & Technical Information Report Number: 841149
  • Archival Resource Key: ark:/67531/metadc786800

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 1, 2005

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  • Dec. 3, 2015, 9:30 a.m.

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  • Oct. 4, 2017, 5:17 p.m.

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Qubbaj, Ala. Numerical Simulation of Natural Gas-Swirl Burner, report, March 1, 2005; Austin, Texas. (digital.library.unt.edu/ark:/67531/metadc786800/: accessed July 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.