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TECHNICAL PAPERS

A Turbulent Model for Gas-Particle Jets

[+] Author and Article Information
J. Garcı́a, A. Crespo

Departamento de Ingenierı́a Energética y Fluidomecánica, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal, 2 28006 Madrid, Spain

J. Fluids Eng 122(3), 505-509 (Apr 04, 2000) (5 pages) doi:10.1115/1.1287791 History: Received December 05, 1997; Revised April 04, 2000
Copyright © 2000 by ASME
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References

Garcı́a, J., and Crespo, A., 1997, “A Model of Turbulent Two-Phase Flashing Jets,” FEDSM97-3584, Proceedings of the ASME Fluids Engineering Division Summer Meeting, June, Vancouver, Canada.
Gore,  R. A., and Crowe,  C. T., 1989, “Effect of Particle Size on Modulating Turbulence Intensity,” Int. J. Multiphase Flow, 15, pp. 279–285.
Elghobashi,  S. E., and Truesdell,  G. C., 1992, “Direct Simulation of Particle Dispersion in Decaying Isotropic Turbulence,” J. Fluid Mech., 242, pp. 655–700.
Squires,  K. D., and Eaton,  J. K., 1994, “Effect of Selective Modification of Turbulence on Two-Equation Models for Particle-Laden Turbulent Flows,” ASME J. Fluids Eng., 116, pp. 778–784.
Yuan,  Z., and Michaelides,  E. E., 1992, “Turbulence Modulation in Particulate Flows—A Theoretical Approach,” Int. J. Multiphase Flow, 18, No. 5, pp. 779–785.
Yarin,  L. P., and Hetsroni,  G., 1994, “Turbulence Intensity in Dilute Two-Phase Flows—1,2,3,” Int. J. Multiphase Flow, 20, No. 1, pp. 1–44.
Shuen,  J-S. , 1985, “Structure of Particle-Laden Jets: Measurements and Predictions,” AIAA J., 23, No. 3, pp. 396–404.
Levich, V. G., 1962, Physicochemical Hydrodynamics, Prentice-Hall, NY.
Du,  S., , 1995, “Estimation of the Kolmogorov Constant (C0) for the Lagrangian Structure, Using a Second-Order Lagrangian Model of Grid Turbulence,” Phys. Fluids, 7, No. 12, pp. 3083–3090.
Berlemont,  A., , 1990, “Particle Lagrangian Simulation in Turbulent Flows,” Int. J. Multiphase Flow,16, No. 1, pp. 19–34.
Hishida,  K., Ando,  A., and Maeda,  M., 1992, “Experiments on Particle Dispersion in a Turbulent Mixing Layer,” Int. J. Multiphase Flow, 18, No. 2, pp. 181–194.
Fessler,  J. R., and Eaton,  J. K., 1999, “Turbulence Modification by Particles in a Backward-Facing Step Flow,” J. Fluid Mech., 394, pp. 97–117.
Hinze, J. O., 1975, Turbulence, McGraw-Hill, New York.
Graham,  D. I., 1997, “Turbulence Modification in the Limiting Cases of Heavy- and Tracer-Particles,” ASME J. Fluids Eng., 119, pp. 458–460.
Pope,  S. B., 1994, “Lagrangian PDF Methods for Turbulent Flows,” Annu. Rev. Fluid Mech., 26, pp. 23–63.

Figures

Grahic Jump Location
Axial variation of centerline mean gas-phase velocity for a jet (case 1)
Grahic Jump Location
Axial variation of centerline mean gas-phase velocity for a jet (case 2)
Grahic Jump Location
Axial variation of centerline gas-phase turbulent kinetic energy for a jet (case 1)
Grahic Jump Location
Axial variation of centerline gas-phase turbulent kinetic energy for a jet (case 2)
Grahic Jump Location
Transversal distribution of velocity fluctuations at x=200 mm downstream for a mixing layer. –Model (2k/3)1/2/(U1−U2); ▴ vx/(U1−U2), ▪ vy/(U1−U2) Hishida et al. 11.
Grahic Jump Location
Transversal distribution of velocity fluctuations at x=250 mm downstream for a mixing layer. –Model (2k/3)1/2/(U1−U2); ▴ vx/(U1−U2), ▪ vy/(U1−U2) Hishida et al. 11.
Grahic Jump Location
Transversal distribution of fluid mean velocity at x=200 mm downstream for a mixing layer
Grahic Jump Location
Transversal distribution of fluid mean velocity at x=250 mm downstream for a mixing layer

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