Three-Dimensional Numerical Modeling of Mixing at River Confluences

Journal of Hydraulic Engineering

Volumn 130, Issue 3, 2004, Pages 243-253

  Biron, Pascale M ^a   Ramamurthy, Amruthur S ^a   Han, Sangsoo ^a  

^a Civil and Environmental Engineering   (Canada)

Author keywords

Channel morphology; Electrical conductivity; Flow simulation; Mixing; Numerical models; Pollutants; Secondary flow; Three dimensional flow

Indexed keywords

MIXING; RIVER POLLUTION; RIVERS; SECONDARY FLOW; STATISTICS; COMPUTER SIMULATION; HYDRAULICS; MATHEMATICAL MODELS;

CHANNEL MORPHOLOGY; CHANNEL WIDTHS; DOWN-STREAM; ELECTRICAL CONDUCTIVITY; HIGH FLOW CONDITIONS; LATERAL MIXING; MIXING; POLLUTANT; RIVER CONFLUENCE; THREE-DIMENSIONAL FLOW;

NUMERICAL MODELS; RIVERS;

CHANNEL WIDTHS; STANDARD DEVIATION;

CONFLUENCE; MATHEMATICAL MODELING; MIXING; MORPHOLOGY; RIVER CHANNEL;

CHANNEL MORPHOLOGY; CONFLUENCE; MIXING; NUMERICAL MODEL; RIVER CHANNEL;

EID: 1842631053     PISSN: 07339429     EISSN: 19437900     Source Type: Journal    
DOI: 10.1061/(ASCE)0733-9429(2004)130:3(243)     Document Type: Article

References (33)

1. Best, J. L., and, Roy, A. G. (1991). " Mixing-layer distortion at the confluence of channels of different depth. " Nature (London), NATUAS 350, 411-413. nat NATUAS 0028-0836
2. Biron, P., Best, J. L., and, Roy, A. G. (1996b). " Effects of bed discordance on flow dynamics at open channel confluences. " J. Hydraul. Eng., JHEND8 122 (12), 676-682. 9fn JHEND8 0733-9429
3. Biron, P., De Serres, B., Roy, A. G., and Best, J. L. (1993). "Shear layer turbulence at an unequal depth channel confluence." Turbulence: Perspectives on flow and sediment transport, N.J. Clifford, J. R. French, and J. Hardisty, eds., Wiley, Chichester, U.K., 197-213.
4. Biron, P. M., Richer, A., Kirkbride, A. K., Roy, A. G., and, Han, S. (2002). " Spatial patterns of water surface topography at a river confluence. " Earth Surf. Processes Landforms, ESPLDB 27 (9), 913-928. 8ul ESPLDB 0197-9337
5. Biron, P., Roy, A. G., and, Best, J. L. (1996a). " The turbulent flow structure at concordant and discordant open channel confluences. " Exp. Fluids, EXFLDU 21, 437-446. exf EXFLDU 0723-4864
6. Booij, R., and, Tukker, J. (2001). " Integral model of shallow mixing layers. " J. Hydraul. Res., JHYRAF 39 (2), 169-179. jhq JHYRAF 0022-1686
7. Boxall, J. B., and, Guymer, I. (2001). " Estimating transverse mixing coefficients. " Proc. Inst. Civ. Eng., Waters. Maritime Energ., PICWEV 148 (4), 263-275. 9ug PICWEV 0965-0946
8. Boxall, J. G., Guymer, I., and, Marion, A. (2003). " Transverse mixing in sinuous natural open channel flows. " J. Hydraul. Res., JHYRAF 41 (2), 153-165. jhq JHYRAF 0022-1686
9. Bradbrook, K. F. (1999). "Numerical, field and laboratory studies of three-dimensional flow structures at river channel confluences." PhD thesis, Univ. of Cambridge, Cambridge, U.K.
10. Bradbrook, K. F., Biron, P. M., Lane, S. N., Richards, K. S., and, Roy, A. G. (1998). " Investigation of controls on secondary circulation in a simple confluence geometry using a three-dimensional numerical model. " Hydrolog. Process., HYPRE3 12, 1371-1396. 9ov HYPRE3 0885-6087
11. Bradbrook, K. F., Lane, S. N., and, Richards, K. S. (2000b). " Numerical simulation of three-dimensional, time-averaged flow structure at river channel confluences. " Water Resour. Res., WRERAQ 36 (9), 2731-2746. wre WRERAQ 0043-1397
12. Bradbrook, K. F., Lane, S. N., Richards, K. S., Biron, P. M., and, Roy, A. G. (2000a). " Large eddy simulation of periodic flow characteristics at river channel confluences. " J. Hydraul. Res., JHYRAF 38, 207-215. jhq JHYRAF 0022-1686
13. Bradbrook, K. F., Lane, S. N., Richards, K. S., Biron, P. M., and, Roy, A. G. (2001). " Role of bed discordance at asymmetrical river confluences. " J. Hydraul. Eng., JHEND8 127 (5), 351-368. 9fn JHEND8 0733-9429
14. Chu, V. H., and, Babarutsi, S. (1988). " Confinement and bed-friction effects in shallow turbulent mixing layers. " J. Hydraul. Eng., JHEND8 114 (10), 1257-1274. 9fn JHEND8 0733-9429
15. Deng, Z.-Q., Singh, V. P., and, Bengtsson, L. (2001). " Longitudinal dispersion coefficient in straight rivers. " J. Hydraul. Eng., JHEND8 127 (11), 919-927. 9fn JHEND8 0733-9429
16. De Serres, B., Roy, A. G., Biron, P. M., and, Best, J. L. (1999). " Three-dimensional structure of flow at a confluence of river channels with discordant beds. " Geomorphology, GEMPEZ 26, 313-335. 9o8 GEMPEZ 0169-555X
17. Gaudet, J. M. (1995). "Le mélange des écoulements à l'aval des confluents de cours d'eau." PhD thesis, Univ. of Montréal, Montreal (in French).
18. Gaudet, J. M., and, Roy, A. G. (1995). " Effect of bed morphology on flow mixing length at river confluences. " Nature (London), NATUAS 373 (6510), 138-139. nat NATUAS 0028-0836
19. Heard, S. B., Gienapp, C. B., Lemire, J. F., and, Heard, K. S. (2001). " Transverse mixing of transported material in simple and complex stream reaches. " Hydrobiologia, HYDRB8 464, 207-218. hdr HYDRB8 0018-8158
20. Huang, J. C., Weber, L. J., and, Lai, Y. G. (2002). " Three-dimensional numerical study of flows in open-channel junctions. " J. Hydraul. Eng., JHEND8 128 (3), 268-280. 9fn JHEND8 0733-9429
21. Jobson, H. E. (1997). " Predicting traveltime and dispersion in rivers and streams. " J. Hydraul. Eng., JHEND8 123 (11), 971-978. 9fn JHEND8 0733-9429
22. Jobson, H. E. (2001). " Predicting river travel time from hydraulic characteristics. " J. Hydraul. Eng., JHEND8 127 (11), 911-918. 9fn JHEND8 0733-9429
23. Lane, S. N., Bradbrook, K. F., Richards, K. S., El-Hames, A., Biron, P. M., and, Roy, A. G. (1999). " The application of computational fluid dynamics to natural river channels: Three-dimensional versus two-dimensional approaches. " Geomorphology, GEMPEZ 29, 1-20. 9o8 GEMPEZ 0169-555X
24. Li, S., and, Morioka, T. (1999). " Optimal allocation of waste loads in a river with probabilistic tributary flow under transverse mixing. " Water Environ. Res., WAERED 71 (2), 156-162. a4v WAERED 1061-4303
25. Ouillon, S., and, Dartus, D. (1997). " Three-dimensional computation of flow around groyne. " J. Hydraul. Eng., JHEND8 123 (11), 962-970. 9fn JHEND8 0733-9429
26. Rhoads, B. L., and, Sukhodolov, A. N. (2001). " Field investigation of three-dimensional flow structure at stream confluences: 1. Thermal mixing and time-averaged velocities. " Water Resour. Res., WRERAQ 37 (9), 2393-2410. wre WRERAQ 0043-1397
27. Roy, A. G., Biron, P. M., Buffin-Bélanger, T., and, Levasseur, M. (1999). " Combined visual and quantitative techniques in the study of natural turbulent flows. " Water Resour. Res., WRERAQ 35, 871-877. wre WRERAQ 0043-1397
28. Rutherford, J. C. (1994). River mixing, Wiley, New York.
29. Smith, R., and, Daish, N. C. (1991). " Dispersion far downstream of a river junction. " Phys. Fluids A, PFADEB 3, 1102-1109. pfa PFADEB 0899-8213
30. Uijttewaal, W. S. J., and, Tukker, J. (1998). " Development of quasi two-dimensional structures in a shallow free-surface mixing layer. " Exp. Fluids, EXFLDU 24, 192-200. exf EXFLDU 0723-4864
31. Weber, L. J., Shumate, E. D., and, Mawer, N. (2001). " Experiments on flow at a 90° open-channel junction. " J. Hydraul. Eng., JHEND8 127 (5), 340-350. 9fn JHEND8 0733-9429
32. Weerakoon, S. B., Kawahara, Y., and Tamai, N. (1991). "Three-dimensional flow structure in channel confluences of rectangular section." Proc., 25th IAHR Congress A., International Association for Hydraulic Research, Madrid, Spain, 373-380.
33. Yakhot, V., Orzag, S. A., Thangam, S., Gatshi, T. B., and, Speziale, C. G. (1992). " Development of a turbulence model for shear flow by a double expansion technique. " Phys. Fluids A, PFADEB 4 (7), 1510-1520. pfa PFADEB 0899-8213