Drag reduction in skimming flow on stepped spillways by aeration

Journal of Hydraulic Research

Volumn 42, Issue 3, 2004, Pages 316-322

  Chanson, H ^a  

^a UNIVERSITY OF QUEENSLAND   (Australia)

Author keywords

Air entrainment; Drag reduction; Flow resistance; Skimming flow; Stepped spillway

Indexed keywords

AIR ENTRAINMENT; BUBBLES (IN FLUIDS); CONFINED FLOW; DRAG;

DRAG REDUCTION; SKIMMING FLOW;

SPILLWAYS;

AERATION; CHANNEL FLOW; DRAG REDUCTION; FLOW RESISTANCE; HYDRAULIC STRUCTURE; SPILLWAY;

AERATION; CHANNEL FLOW; CHANNEL HYDRAULICS; ENTRAINMENT; HYDRAULIC STRUCTURE; SPILLWAY;

EID: 3042819404     PISSN: 00221686     EISSN: None     Source Type: Journal    
DOI: 10.1080/00221686.2004.9728397     Document Type: Article

References (29)

1. AZAIEZ, J. (2000). "Reduction of Free Shear Flows Instability: Effects of Polymer versus Fibre Additives." J. Non-Newtonian Fluid Mec. 91, 233-254.
2. BATHIRST, J.C. (1978). "Flow Resistance of Large-Scale Roughness." J. Hydr. Div. ASCE 104(HY12), 1587-1603.
3. BATHIRST, J.C. (1985). "Flow Resistance Estimation in Mountain Rivers." J, Hydr. Engrg. ASCE 111(4), 625-643.
4. BOES, R.M. (2000). "Zweiphasenströmung und Energieumsetzung auf Grosskaskaden." PhD Thesis, ETHZürich, Switzerland.
5. CHAMANI, M.R. and RAJARATNAM, N. (1999). "Characteristics of Skimming Flow over Stepped Spillways." J. Hydr. Engrg. ASCE 125(4), 361-368.
6. CHANSON, M. (1993). "Stepped Spillway Flows and Air Entrainment." Can. J. Civil Engrg. 20(3), 422-435.
7. CHANSON, H. (1994) "Drag Reduction in Open Channel Flow by Aeration and Suspended Load." J. Hydr. Res. IAHR, 32(1) 87-101.
8. CHANSON, H. (2001). The Hydraulics of Stepped Chutes and Spillways. Swets & Zeitlinger, Lisse, The Netherlands.
9. CHANSON, H. and TOOMBES, L. (2001a). "Strong Interactions between Free-Surface Aeration and Turbulence down a Staircase Channel." In: Proceedings of the 14th Australasian Fluid Mechanics Conference, Adelaide, Australia, pp. 841-844.
10. CHANSON, H. and TOOMBES, L. (2001b). "Experimental Investigations of Air Entrainment in Transition and Skimming Flows down a Stepped Chute. Application to Embankment Overflow Stepped Spillways." Research Report CE 158, Department of Civil Engineering, University of Queensland, Brisbane, Australia, July, 74 pp.
11. CHANSON, H., YASUDA, Y. and OHTSU, I. (2000). "Flow Resistance in Skimming Flow: a Critical Review." In: Minor, H.E. and Hager, W.H. (eds), International Workshop on Hydraulics of Stepped Spillways, Zürich, Switzerland. Balkema Publ., pp. 95-102.
12. CHANSON, H., YASUDA, Y. and OHTSU, I. (2002). "Flow Resistance in Skimming Flow and it Modelling." Can. J. Civil Engrg. 29(6), 809-819.
13. GEVORKYAN, S.G. and KALANTAROVA, Z.K. (1992). "Design of Tsunami-Protective Embankments with a Complex Front Surface." Gidrotekhnicheskoe Stroitel'stvo, No. 5, May, pp. 19-21 (in Russian) (Translated in Hydrotechnical Construction, 1992, Plenum Publ., pp. 286-290).
14. HAUGEN, H.L. and DHANAK, A.M. (1966). "Momentum Transfer in Turbulent Separated Flow past a Rectangular Cavity." J. Appl. Mech. Trans. ASME 641-464.
15. KISTLER, A.L. and TAN, F.C. (1967). "Some Properties of Turbulent Separated Flows." Phys. Fluids 10(9), S165-S173.
16. MATOS, J. (2000). "Hydraulic Design of Stepped Spillways over RCC Dams." In: MINOR, H.E. and HAGER, W.H. (eds), International Workshop on Hydraulics of Stepped Spillways, Zürich, Switzerland, Balkema Publ., pp. 187-194.
17. MATOS, J., YASUDA, Y. and CHANSON, H. (2001). "Interaction between Free-surface Aeration and Cavity Recirculation in Skimming Flows down Stepped Chutes." In: Proceedings of the 29th IAHR Congress, Beijing, China, Theme D, Sub-theme D5-24.
18. OHTSU, I., YASUDA, Y and TAKAHASHI, M. (2000). "Characteristics of Skimming Flow over Stepped Spillways. Discussion." J. Hydr. Engrg. ASCE 126(11), 869-871.
19. PEYRAS, L., ROYET, P. and DEGOUTTE, G. (1992). "Flow and Energy Dissipation over Stepped Gabion Weirs." J. Hydr. Engrg. ASCE 118(5), 707-717.
20. RAJARATNAM, N. (1990). "Skimming Flow in Stepped Spillways." J. Hydr. Engrg. ASCE 116(4), 587-591.
21. RIEDIGER, S. (1989). "Influence of Drag Reducing Additives on a Plane Mixing Layer." In: Proceedings of the 4th International Conference on Drag Reduction, Davos, Switzerland. Ellis Horwood Publ., Chichester, UK, No. 10.4, pp. 303-310.
22. SAYRE, W.W. and ALBERTSON, M.L. (1963). "Roughness Spacing in Rigid Open Channels." Trans. ASCE 128, 343-372; (Discussion: 128, 372-427 ).
23. THOMPSON, S.M. and CAMPBELL, P.L. (1979). "Hydraulics of a Large Channel Paved with Boulders." J. Hydr .Res. IAHR 17(4), 341-354.
24. THORNE, C.R. and ZEVENBERGEN, L.W. (1985). "Estimating Velocity in Mountain Rivers." J. Hydr. Engrg. ASCE 111(4), 612-624.
25. TOOBY, P.F., WICK, G.L. and ISACS, J.D. (1977). "The Motion of a Small Sphere in a Rotating Velocity Field: A Possible Mechanism for Suspending Particles in Turbulence." J. Geophy. Res., 82(15), 2096-2100.
26. VITTAL, N., RAGA RAJU, K.G. and GARDE, R.J. (1977). "Resistance of Two Dimensional Triangular Roughness." J. Hydr. Res. IAHR 15(1), 19-36.
27. WYGNANSKI, I. and FIEDLER, H.E. (1970). "The Two-Dimensional Mixing Region." J. Fluid Mech. 41, 327-361.
28. WARHOLIC, M.D., HEIST, D.K., KATCHER, M. and HANRATTY, T.J. (2001). "A Study with Particle-Image Velocimetry of the Influence of Drag-Reducing Polymers on the Structure of Turbulence." Exp. Fluids 31(5), 474-483.
29. WOOD, I.R. (1983). "Uniform Region of Self-Aerated Flow." J. Hydr. Engrg. ASCE 109(3), 447-461.