Flow over a stepped chute with and without macro-roughness elements

Canadian Journal of Civil Engineering

Volumn 31, Issue 5, 2004, Pages 880-891

  Kökpinar, Mehmet Ali ^a  

^a GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS   (Turkey)

Author keywords

Air entrainment; Air water flow properties; Macro roughness elements; Skimming flow; Stepped chute

Indexed keywords

BUBBLES (IN FLUIDS); CAVITATION; GEOMETRY; OPTICAL FIBERS; SURFACE ROUGHNESS;

AIR BUBBLE FREQUENCY; CHORD LENGTHS; MACRO-ROUGHNESS ELEMENTS; STEPPED CHUTES;

TWO PHASE FLOW;

FLOW MODELING; FLOW OVER SURFACE; SPILLWAY;

EID: 10944254108     PISSN: 03151468     EISSN: None     Source Type: Journal    
DOI: 10.1139/l04-059     Document Type: Article

References (20)

1. Boes, R.M. 2000. Zwiephasenströmung und Energieumsetzung auf Grosskaskaden (Two-phase flow and energy dissipation on cascades). Ph.D. thesis, No. 166, ETH, Zurich, Switzerland. [In German.]
2. Cain, P., and Wood, I.R. 1981. Instrumentation for aerated flow on spillways. ASCE Journal of the Hydraulics Division, 107(11): 1407-1423.
3. Chanson, H. 1994a. Hydraulic design of stepped cascades channels weirs and spillways. Elsevier Science Ltd., London, UK.
4. Chanson, H. 1994b. Hydraulics of skimming flows over stepped channels and spillways. Journal of Hydraulic Research, 32(3): 445-460.
5. Chanson, H. 1996. Prediction of the transition nappe/skimming flow on a stepped channel. Journal of Hydraulic Research, 34(3): 421-429.
6. Chanson, H. 1997. Air bubble entrainment in open channels: flow structure and bubble size distributions. International Journal of Multiphase Flow, 23(1): 193-203.
7. Chanson, H. 2001a. A transition flow regime on stepped spillways? The facts. Proceedings of the 29th IAHR Congress, Theme D, Beijing, China, 16-21 September 2001. Tsinghua University Press, Beijing, China. pp. 490-498.
8. Chanson, H. 2001b. The hydraulics of stepped chutes and spillways. A.A. Balkema Publishers, Lisse, The Netherlands.
9. Chanson, H., and Toombes, L. 2001. Experimental investigation of air entrainment in transition and skimming flows down a stepped chute. Application to embankment overflow stepped spillways. The University of Queensland, Brisbane, Australia. Research report CE158.
10. Chanson, H., and Toombes, L. 2002a. Experimental investigations of air entrainment in transition and skimming flows down a stepped chute. Canadian Journal of Civil Engineering, 29: 145-156.
11. Chanson, H., and Toombes, L. 2002b. Air-water flows down stepped chutes: turbulence and flow structure observations. International Journal of Multiphase Flow, 28: 1737-1761.
12. De Marinis, G., Frantino, U., and Piccinni, A.F. 2001. Flow regimes on stepped spillways. Proceedings of the 29th IAHR Congress, Theme D, Beijing, China, 16-21 September 2001. Tsinghua University Press, Beijing, China. pp. 641-650.
13. Essery, I.T.S., and Horner, M.W. 1978. The hydraulic design of stepped spillway. Construction Industry Research and Information Association (CIRIA), London, UK. CIRIA report 33.
14. Kobus, H. 1991. Introduction to air-water flows. In Air entrainment in free-surface flows. Edited by I.R. Wood. A.A. Balkema Publishers, Rotterdam, The Netherlands. pp. 1-28.
15. Ohtsu, I., and Yasuda, Y. 1997. Characteristics of flow conditions on stepped channels. Proceedings of the 27th IAHR Congress, Theme D, San Francisco, Calif., 10-15 August 1997. Edited by F.M. Holly, Jr. and A. Alsaffar. Thomas Telford, London, UK. pp. 583-588.
16. Rajaratnam, N. 1990. Skimming flow in stepped spillways. ASCE Journal of Hydraulic Engineering, 116(4): 587-591.
17. Sorensen, R.M. 1985. Stepped spillway hydraulic model investigation. ASCE Journal of Hydraulic Engineering, 111(12): 1461-1472.
18. Stutz, B., and Reboud, J.-L. 2000. Measurements within unsteady cavitation. Experiments in Fluids, 29(6): 545-552.
19. Wood, I.R. 1984. Air entrainment in high speed flows. Proceedings of the Symposium on Scale Effects in Modelling Hydraulic Structures, IAHR, Esslingen, Germany, 3-6 September 1984. Edited by H. Kobus. Technische Akademie Esslingen, Ostfildern, Germany. pp. 4.1-1-4.1-7.
20. Yasuda, Y., Takahashi, M., and Ohtsu, I. 2001. Energy dissipation of skimming flows on stepped-channel chutes. Proceedings of the 29th IAHR Congress, Beijing, China, Theme D, 16-21 September 2001. Tsinghua University Press, Beijing, China. pp. 531-536.