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TECHNICAL PAPERS

Velocity Fields of Nonpremixed Bluff-Body Stabilized Flames

[+] Author and Article Information
R. F. Huang, C. L. Lin

Department of Mechanical Engineering, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei, Taiwan, ROC

J. Energy Resour. Technol 122(2), 88-93 (Mar 02, 2000) (6 pages) doi:10.1115/1.483166 History: Received October 19, 1999; Revised March 02, 2000
Copyright © 2000 by ASME
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References

Beér, J. M., Chigier, N. A., and Lee, K. B., 1963, “Modeling of Double Concentric Burning Jets,” Ninth Symposium (International) on Combustion, The Combustion Institute, Academic Press, New York, NY, pp. 892–900.
Kimoto,  K., Shiraishi,  I., and Matsumoto,  R., 1981, “Structure of Turbulent Jet Flames Stabilized in Annular Air Jet,” Combust. Sci. Technol., 25, pp. 31–41.
Masri, A. R., and Bilger, R. W., 1984, “Turbulent Diffusion Flames of Hydrocarbon Fuels Stabilized on a Bluff Body,” Twentieth Symposium (Int.) on Combustion, The Combustion Institute, Pittsburgh, PA, pp. 212–217.
Roquemore,  W. M., Tankin,  R. S., Chiu,  H. H., and Lottes,  S. A., 1986, “A Study of a Bluff-Body Combustor Using Laser Sheet Lighting,” Exp. Fluids, 4, No. 4, pp. 205–213.
Li,  X., and Tankin,  R. S., 1987, “A Study of Cold and Combusting Flow Around Bluff Body Combustors,” Combust. Sci. Technol., 52, No. 4, pp. 173–206.
Schefer,  R. W., Namazian,  M., and Kelly,  J., 1987, “Velocity Measurements in a Turbulent Nonpremixed Bluff-Body Stabilized Flame,” Combust. Sci. Technol., 56, Nos. 4–6, pp. 101–138.
Huang,  R. F., and Lin,  C. L., 1994, “Characteristic Modes and Thermal Structure of Nonpremixed Circular-Disc Stabilized Flames,” Combust. Sci. Technol., 100, pp. 123–139.
Hjelmfelt,  A. T., and Mockros,  L. F., 1966, “Motion of Discrete Particles in a Turbulent Fluid,” Appl. Sci. Res., 16, No. 12, pp. 149–154.
Huang,  R. F., and Lin,  C. L., 1997, “Flow Characteristics and Shear-Layer Vortex Shedding of Double Concentric Jets,” AIAA J., 35, No. 5, pp. 887–892.
Scholfield, D. A., and Garside, J. E., 1949, “The Structure and Stability of Diffusion Flames,” Third Symposium (Int.) on Combustion, The Combustion Institute, pp. 102–112.
Sami,  S., Carmody,  T., and Rouse,  H., 1969, “Jet Diffusion in the Region of Flow Establishment,” J. Fluid Mech., 27, pp. 1679–1697.
Kalghatgi,  G. K., 1981, “Blow-out Stability of Gaseous Jet Diffusion Flames. Part I: In Still Air,” Combust. Sci. Technol., 26, pp. 233–246.
Gollahalli, S. R., Savas, Ö, Huang, R. F., and Rodriquez, A. J. L., 1986, “Structure of Attached and Lifted Gas Jet Flames in Hysteresis Region,” Twenty-first Symposium (Int.) on Combustion, The Combustion Institute, Pittsburgh, PA, pp. 1463–1471.
Shekarchi,  S., Savas,  Ö., and Gollahalli,  S. R., 1988, “Structure of a Split Gas Flame,” Combust. Flame, 73, pp. 221–233.

Figures

Grahic Jump Location
Characteristic regimes of flows and flames
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Velocity vector field and streamline patterns of prepenetration flow measured at ua=3.24 m/s—(a) recirculated flame, R=0.1; (b) detached flame, R=0.5
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Vector field and streamline patterns of penetration flow measured at ua=3.24 m/s—(a) developing flame, R=1.8; (b) lifted flame, R=9.2
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Variation of axial locations of ASP, FSP, and OVC with R,ua=3.24 m/s
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Axial height of outer recirculation ring in regimes of penetration and large shear flow, ua=3.24 m/s
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Variation of normalized axial mean velocity of different flame and flow modes along central axis, ua=3.24 m/s
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Variation of normalized turbulent normal stress of different flame and flow modes along central axis, ua=3.24 m/s
Grahic Jump Location
Variation of normalized radial turbulent normal stress of different flame and flow modes along central axis, ua=3.24 m/s
Grahic Jump Location
Variation of turbulent shear stress of different flame and flow modes along central axis, ua=3.24 m/s

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