Barotropically induced interfacial waves in two-layer exchange flows over a sill

Journal of Fluid Mechanics

Volumn 592, Issue , 2007, Pages 135-154

  Negretti, M Eletta ^a   Zhu, David Z ^b   Jirka, Gerhard H ^a  

^a UNIVERSITY OF KARLSRUHE   (Germany)

^b UNIVERSITY OF ALBERTA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

FLOW MEASUREMENT; FLOW RATE; FLOW VELOCITY; MATHEMATICAL MODELS; REYNOLDS NUMBER;

BAROCLINIC EXCHANGE FLOW; BAROTROPIC FORCING; BAROTROPIC OSCILLATION; INTERFACIAL WAVES; TWO-LAYER EXCHANGE FLOWS;

FLOW OF FLUIDS;

FLOW MEASUREMENT; FLOW OF FLUIDS; FLOW RATE; FLOW VELOCITY; MATHEMATICAL MODELS; REYNOLDS NUMBER;

BAROTROPIC MOTION; CHANNEL FLOW; FLOW MODELING; FLOW VELOCITY; OCEAN WAVE; REYNOLDS NUMBER; SILL; STRAIT; WATER DEPTH;

EID: 36348971617     PISSN: 00221120     EISSN: 14697645     Source Type: Journal    
DOI: 10.1017/S0022112007008324     Document Type: Article

References (30)

1. ARMI, L. 1986 The hydraulics of two flowing layers with different densities. J. Fluid Mech. 163, 27-58.
2. ARMI, L. & FARMER, D. M. 1986 Maximal two-layer exchange through a contraction with barotropic net flow. J. Fluid Mech. 164, 27-51.
3. BAINES, P. G. 1975 Entrainment by a plume or a jet at a density interface. J. Fluid Mech. 68, 309-320.
4. BAINES, P. G. 1995 Topographic Effects in Stratified Flows. Cambridge University Press.
5. DEAN, R. G. & DALRYMPLE, R. A. 1984 Water Wave Mechanics for Engineers and Scientists. Prentice-Hall.
6. ELLISON, T. H. & TURNER, J. S. 1959 Turbulent entrainment in stratified flows. J. Fluid Mech. 6, 423-448.
7. FARMER, D. M. & ARMI, L. 1988 The flow of Atlantic Water through the Strait of Gibraltar. Prog. Oceanogr. 21, 1-105.
8. FARMER, D. M. & ARMI, L. 1999 Stratified flow over topography: The role of small scale entrainment and mixing in flow establishment. Proc. R. Soc. Lond. A 455, 3221-3258.
9. FERNANDO, H. J. S. 1991 Turbulent mixing in stratified fluids. Annu. Rev. Fluid Mech. 23, 455-493.
10. FOULI, H. R. S. 2006 An experimental study of interfacial waves and instabilities in exchange flows over a smooth sill. PhD thesis, Department of Civil and Environmental Engineering, Edmonton, University of Alberta.
11. HANSEN, B. & OSTERHUS, S. 2000 North Atlantic - Nordic Seas exchanges. Prog. Oceanog. 45(2), 109-208.
12. HELFRICH, K. R. 1995 Time-dependent two-layer exchange flows. J. Phys. Oceanogr. 25, 359-373.
13. KOOP, C. G. & BROWAND, F. K. 1976 Instability and turbulence in a stratified fluid with shear. J. Fluid Mech. 24, 67-113.
14. LAWRENCE, G. A. 1993 The hydraulics of steady two-layer flow over a fixed obstacle. J. Fluid Mech. 254, 605-633.
15. LAWRENCE, G., PIETERS, R., ZAREMBA, L., TEDFORD, T., Gu, L., GRECO, S. & HAMBLIN, P. F. 2004 Summer exchange between Hamilton Harbour and Lake Ontario. Deep-Sea Research II, 51, 475-487.
16. LIEN, R.-C., D'ASARO, E. A. & DAIRIKI, G. T. 1998 Lagrangian frequency spectra of vertical velocity and vorticity in high-Reynolds-number oceanic turbulence. J. Fluid Mech. 362, 177-198.
17. MORIN, V. M., ZHU, D. Z. & LOEWEN, M. R. 2004 Supercritical exchange flow down a sill. J. Hydraul. Engng ASCE 130, 521-531.
18. PAWLAK, G. & ARMI, L. 1998 Vortex dynamics in a spatially accelerating shear layer. J. Fluid Mech. 376, 1-35.
19. PAWLAK, G. & ARMI, L. 2000 Mixing and entrainment in developing stratified currents. J. Fluid Mech. 424, 1-37.
20. PRATT, L. J. 1987 Rotating shocks in a separated laboratory channel flow. J. Phys. Oceanogr. 17, 483-491.
21. SCINOCCA, J. F. & PELTIER, W. R. 1989 Pulsating downslope windstorms. J. Atmos. Sci. 46, 2885-2914.
22. SHERWIN, T. J. & TURRELL, W. R. 2005 Mixing and advection of a cold water cascade over the Wyville Thomson Ridge. Deep-Sea Res. 52, 1392-1413.
23. STIGEBRANDT, A. 1977 On the effect of barotropic current fluctuations on the two-layer transport capacity of a constriction. J. Phys. Oceanogr. 7, 118-122.
24. STOMMEL, H. & FARMER, H. G. 1953 Control of salinity in an estuary by a transition. J. Mar. Res. 12, 13-20.
25. THORPE, S. 1985 Laboratory observation of secondary structures in Kelvin-Helmholtz billows and consequences for ocean mixing. Geophys. Astrophys. Fluid Dyn. 35, 175-199.
26. TURNER, J. S. 1963 Model experiments relating to thermals with increasing buoyancy. Q. J. R. Met. Soc. 89, 62-74.
27. WELANDER, M. V. 1984 Flow around circular cylinder-kaleidoscope of challenging fluid phenomena. Proc. Symp. Fully Separated Flows, vol. 1, p. 102.
28. WÜEST, A., IMBODEN, D. M. & SCHURTER, M. 1988 Origin and size of hypolimnic mixing in Urnersee, the southern basin of Vierwaldstaettersee (Lake Lucerne), Schweiz. Schweiz. Z. Hydrol. 50, 40-70.
29. ZHU, D. Z. & LAWRENCE, G. A. 1998 Non-hydrostatic effects in layered shallow water flows. J. Fluid Mech. 355, 1-16.
30. ZHU, D. Z. & LAWRENCE, G. A. 2000 Hydraulics of exchange flows. J. Hydraul. Engng ASCE 126, 921-928.