The flow across a street canyon of variable width-Part 1: Kinematic description

Atmospheric Environment

Volumn 41, Issue 39, 2007, Pages 9002-9017

  Simoëns, Serge ^a   Ayrault, Michel ^a   Wallace, James M ^b  

^a LABORATOIRE DE MÉCANIQUE DES FLUIDES ET D ACOUSTIQUE   (France)

^b UNIVERSITY OF MARYLAND   (United States)

Author keywords

Boundary layer; Concentration; Dispersion; Obstacles; PIV; Street canyon

Indexed keywords

CANYON FLOW; CONCENTRATION; MEAN FLOW MEASUREMENTS; MIE SCATTERING; NEGATIVE STRESS; OBSTACLES; PIV; PRIMARY VORTEX; REYNOLDS SHEAR STRESS; SCALAR CONCENTRATION; SCALAR FLUXES; SECONDARY VORTEX; SHEAR LAYER; SPATIAL DISTRIBUTION; STREET CANYON; TERTIARY VORTEX; TURBULENT KINETIC ENERGY; VARIABLE WIDTH; VELOCITY FIELD MEASUREMENT;

AERODYNAMICS; BOUNDARY LAYERS; CHARGE COUPLED DEVICES; FLOW MEASUREMENT; KINETIC ENERGY; REYNOLDS NUMBER; ROADS AND STREETS; SIZE DISTRIBUTION; TURBULENCE; TURBULENT FLOW; TWO DIMENSIONAL; VORTICITY;

TRANSPORT PROPERTIES;

DIFFUSION; FLOW MEASUREMENT; FLOW VELOCITY; GEOMETRY; KINEMATICS; KINETIC ENERGY; REYNOLDS NUMBER; SHEAR STRESS; STREET CANYON; TRANSPORT PROCESS; TURBULENT BOUNDARY LAYER; TWO-DIMENSIONAL FLOW; VORTEX FLOW;

ARTICLE; BIOGEOGRAPHY; CANYON; ENERGY; FLOW MEASUREMENT; GEOGRAPHIC AND GEOLOGICAL PHENOMENA; KINEMATICS; PRIORITY JOURNAL; SHEAR STRESS; STREAM (RIVER); VELOCITY; VORTEX MOTION;

EID: 40249103243     PISSN: 13522310     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.atmosenv.2007.08.013     Document Type: Article

References (24)

1. Ayrault M., and Simoëns S. Turbulent concentration determination in a gas flow using multiple CCD cameras. Journal of Flow Visualization and Image Processing 2 (1995) 195-208
2. Baik J.-J., and Kim J.-J. On the escape of pollutants from urban street canyons. Atmospheric Environment 36 (2002) 527-536
3. Caton F., Britter R.E., and Dalziel S. Dispersion mechanisms in a street canyon. Atmospheric Environment 37 (2003) 693-702
4. Chan T.L., Dong G., Leung C.W., Cheung C.S., and Hung W.T. Validation of a two-dimensional pollutant dispersion model in an isolated street canyon. Atmospheric Environment 36 5 (2002) 861-872
5. DePaul F.T., and Sheih C.M. Measurements of wind velocities in a street canyon. Atmospheric Environment 20 (1986) 455-459
6. Kastner-Klein P., and Plate E.J. Wind-tunnel study of concentration fields in street canyons. Atmospheric Environment 33 (1999) 3973-3979
7. Kim J.-J., and Baik J.-J. Effects of inflow turbulence intensity on flow and pollutant dispersion in an urban street canyon. Journal of Wind Engineering 91 (2003) 309-329
8. Meroney R.N., Pavageau M., Rafadalis S., and Schatzmann M. Study of line source characteristics for 2D physical modelling of pollutant dispersion in street canyon. Journal of Wind Engineering and Industrial Aerodynamic 62 (1996) 37-56
9. Moeng C.-H., and Wyngaard J.C. Evaluation of turbulent transport and dissipation closures in second-order modeling. Journal of the Atmospheric Sciences 46 (1989) 2311-2330
10. Oke T.R. Street design and urban canopy layer climate. Energy and Buildings 11 (1988) 103-113
11. Pavageau M., and Schatzmann M. Wind tunnel measurements of concentration fluctuations in an urban street canyon. Atmospheric Environment 33 (1999) 3961-3971
12. Rotta J.C. Statistische theorie nichthomogener turbulenz. Zeitschrift fur Physik 129 (1951) 547-572
13. Simoëns, S., 1992. Application du traitement et de l'analyse d'images a des phénoménes de dispersion et de mélange turbulents. Thése de Docteur de l'Ecole Centrale de Lyon.
14. Simoëns S., and Ayrault M. Concentration flux measurements of a scalar quantity in turbulent flows. Experiments in Fluids 16 (1994) 273-281
15. Simoëns, S., Ayrault, M., Primon, R., Verduzio, G., 1996. Simultaneous velocity and concentration measurements using Mie scattering and particle image velocimetry in a turbulent air jet. International Seminar on Optical Methods and Data Processing in Heat and Fluid Flow: in IMechE Conference Transactions 1996-3, MEP Publications, London, Part C, pp. 301-308.
16. Sini J.-F., Anquetin S., and Mestayer P.G. Pollutant dispersion and thermal effects in urban street canyons. Atmospheric Environment 30 (1996) 2659-2677
17. θ = 1410. Journal of Fluid Mechanics 187, 61-98.
18. Spalding D. A single formula for the law of the wall. Transactions of the ASME C: Journal of Applied Mechanics 28 (1961) 455-458
19. Vinçont J.Y., Simoëns S., Ayrault M., and Wallace J.M. Passive scalar dispersion in a turbulent boundary layer from a line source at the wall and downstream of an obstacle. Journal of Fluid Mechanics 54 (2000) 39-48
20. Walton A., and Cheng A.Y.S. Large-eddy simulation of pollution dispersion in an urban street canyon-part II: idealised canyon simulation. Atmospheric Environment 36 (2002) 3615-3627
21. Wyngaard J.C. In: Niewstadt F.T.M., and Van Dop H. (Eds). Atmospheric Turbulence and Air Pollution Modelling (1981), D. Reideil Publishing Co. 69-106
22. Xia J., and Leung D.Y.C. A concentration correction scheme for Lagrangian particle model and its application in street canyon air dispersion modelling. Atmospheric Environment 35 (2001) 5779-5788
23. Xia J., and Leung D.Y.C. Pollutant dispersion in urban street canopies. Atmospheric Environment 35 (2001) 2033-2043
24. Zhang X.H., Zhang Z.S., Simoëns S., and Ayrault M. Experimental study on passive scalar diffusion in shearless mixing layer. Experiments and Measurements in Fluid Mechanics 17 4 (2003) 22-27