Flow Structure Issued from a Bent Chimney around a Cylindrical Obstacle: Effect of the Aspect Ratio

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We present in this work a numerical study of pollutants’ dispersion resulting from a bent chimney around a cylindrical obstacle. A three-dimensional numerical model, based upon the RSM (Reynolds Stress Model) turbulence closure model was used. The adopted grid is not uniform, particularly refined near the chimney and around the cylindrical building. The domain is large enough to be able to visualize the recirculation zones and the vortices created by the building. The results obtained in three dimensional configurations make possible the description of the dynamics and mass features under different aspect rations.

Info:

Periodical:

Defect and Diffusion Forum (Volumes 312-315)

Edited by:

Andreas Öchsner, Graeme E. Murch and João M.P.Q. Delgado

Pages:

965-970

DOI:

10.4028/www.scientific.net/DDF.312-315.965

Citation:

I. Bhouri Baouab et al., "Flow Structure Issued from a Bent Chimney around a Cylindrical Obstacle: Effect of the Aspect Ratio", Defect and Diffusion Forum, Vols. 312-315, pp. 965-970, 2011

Online since:

April 2011

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$35.00

[1] S. Okamoto and Y. Sunabashiri: ASME Journal of Fluids Engineering Vol. 144 (1992), p.512.

[2] C. -W. Park and S. -J. Lee: Journal of Wind Engineering and Industrial Aerodynamics Vol. 88 (2000), p.231.

[3] D. Sumner, J.L. Heseltine and O.J.P. Dansereau: Experiments in Fluids Vol. 37 (2004), p.720.

[4] M.S. Adaramola, O.G. Akinladeb, D. Sumnerb, D.J. Bergstromb and A.J. Schenstead: Journal of Fluids and Structures Vol. 22 (2006), p.919.

[5] P. Roland Schieste: Modélisation et Simulation des Ecoulements Turbulents, Hermès, Paris. (1993).

[6] S.V. Patankar: Numerical Heat Transfer and Fluid Flow, series in computational methods in mechanics and thermal sciences. Taylor & Francis, (1980).

[7] V. Mariotti, S. Camarri, M.V. Savetti, B. Koobus, A. Dervieux, H. Guillard and S. Wornom: Numerical simulation of a jet in crossflow, RR N°5638, Juillet (2005).

[8] A. Rivero, J.A. Ferre and F. Giralt: Journal of Fluid Mechanics Vol. 444 (2001), p.117.

[9] S.H. Smith and M.G. Mungal: Journal of Fluid Mechanics Vol. 357 (1998), p.83.

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