Development of Air Concentration on Chute Spillways

Journal of Hydraulic Engineering

Volumn 132, Issue 9, 2006, Pages 908-915

  Kramer, Kristian ^a,b   Hager, Willi H ^b   Minor, Hans Erwin ^b  

^a Lahmeyer International GmbH   (Germany)

^b ETH ZURICH   (Switzerland)

Author keywords

Cavitation; Hydraulics; Spillways; Two phase flow

Indexed keywords

AIR; FLOW OF WATER; FROUDE NUMBER; REMOTE CONTROL; SPILLWAYS; TWO PHASE FLOW; CAVITATION; HYDRAULICS;

'CURRENT; AIR CONCENTRATIONS; CAVITATION DAMAGE; CAVITATION NUMBER; CRITICAL VALUE; DESIGN METHOD; FIBER-OPTICAL INSTRUMENTATION; LABORATORY INSTRUMENTATION; MODELING DATA; TWO PHASES FLOW;

CAVITATION; SPILLWAYS;

AIR CONCENTRATION; CHUTE SPILLWAYS; FIBER-OPTICAL INSTRUMENTATION; FROUDE NUMBER; STREAMWISE DEVELOPMENT;

CAVITATION; HYDRAULICS; SPILLWAYS; TWO PHASE FLOW;

AIR; CAVITATION; HYDRAULICS; SPILLWAY; TWO PHASE FLOW;

EID: 33747331581     PISSN: 07339429     EISSN: 19437900     Source Type: Journal    
DOI: 10.1061/(ASCE)0733-9429(2006)132:9(908)     Document Type: Article

References (35)

1. Anderson, A. G. (1965). "Influence of channel roughness on the aeration of high-velocity, open-channel flow." 11th IAHR Congress, 1(37), 1-13.
2. Boes, R. (2000). "Zweiphasenströmung und Energieumsetzung an Grosskaskaden." VAW-Mitteilung 166, ETH, Zörich (in German).
3. Boes, R. M., and Hager, W. H. (2003). "Two-phase flow characteristics of stepped spillways." J. Hydraul. Eng., 129(9), 661-670.
4. Cain, P. (1978). "Measurements within self-Aerated flow on a large spillway." Rep. 78-18, Univ. of Canterbury, Christchurch, New Zealand.
5. Chanson, H. (1989). "Flow downstream of an aerator-Aerator spacing." J. Hydraul. Res., 27(4), 519-536.
6. Chanson, H. (1997). Air bubble entrainment in free-surface turbulent shear flows, Academic, Brisbane, Australia.
7. Ervine, D. A., and Falvey, H. T. (1987). "Behavior of turbulent water jets in the atmosphere and in plunge pools." Proc, Inst. Civ. Engineers, 33(2), 295-314.
8. Falvey, H. T. (1980). "Air-water flow in hydraulic structures." Engineer-ing Monograph, 41, Bureau of Reclamation, Denver.
9. Falvey, H. T. (1983). "Prevention of cavitation on chutes and spillways." Frontiers in hydraulic engineering, H. T. Shen, ed., Massachusetts Institute of Technology, Cambridge, Mass., 432-437.
10. Falvey, H. T. (1990). "Cavitation in chutes and spillways." Engineering Monograph, 42, Bureau of Reclamation, Denver.
11. Gangadharaiah, T., Lakshmana Rao, N. S., and Seetharamiah, K. (1970). "Inception and entrainment in self-Aerated flows." J. Hydraul. Div., Am. Soc. Civ. Eng., 96(7), 1549-1565.
12. Hager, W. H. (1991). "Uniform aerated chute flow." J. Hydraul. Eng., 117(4), 528-533.
13. Hager, W. H., and Blaser, F. (1997). "Drawdown curve and incipient aeration for chute flow." Can. J. Civ. Eng., 25(3), 467-473.
14. Kramer, K. (2003). "Bottom air concentration of aerated chutes." 30th IAHR Congress, J. F. Kennedy Student Paper Competition, 17-24.
15. Kramer, K (2004). "Development of aerated chute flow." Ph.D.Thesis (No. 15428), ETH, Zurich. http://e-collection.ethbib.ethz.ch//show?type=diss&nr=15428
16. Kramer, K, and Hager, W. H. (2005). "Air transport in chute flows." Int. J. Multiphase Flow, 31(10/11), 1181-1197.
17. Kramer, K, Hager, W. H., and Minor, H.-E. (2003). "Development of mean air concentration on chute flow." 30th IAHR Congress, Theme D, 687-694.
18. Kramer, K, Hager, W. H., and Minor, H.-E. (2004). "New model investigations on two-phase chute flow." Hydraulics of dams and river structures, F. Yazdandoost and J. Attari, eds., Balkema, Leiden, The Netherlands, 33-41.
19. Lakshmana Rao, N. S., and Kobus, H. (1973). "Characteristics of self-Aerated free-surface flows." Water and waste water, current research and practice-10, Erich Schmidt Verlag, Berlin.
20. May, R. W. P. (1987). "Cavitation in hydraulic structures: Occurrence and prevention." Hydraulic Research Rep. SR 79, Wallingford, U.K.
21. Peterka, A. J. (1953). "The effect of entrained air on cavitation pitting." IAHR-ASCE Joint Conf., ASCE, New York, 507-518.
22. Pinto, d. S. N. L., Neidert, S. H., and Ota, J. J. (1982). "Aeration at high velocity flows." Int. Water Power Dam Constr., 34(2), 34-38; 34(3), 42-44.
23. Prusza, V. (1983). "Remedial measures against spillway cavitation." 20th IAHR Congress, 3, 468-476.
24. Rasmussen, R. E. H. (1956). "Some experiments on cavitation erosion in water mixed with air." 1st Int. Symp., Cavitation in Hydrodynamics, 20, National Physical Laboratory, London, 1-25.
25. Schlichting, H., and Gersten, K (1996). Grenzschicht-Theorie, Springer, Berlin (in German).
26. Semenkov V. M., and Lentyaev, L. D 1973 Spillway with nappe aeration." Gidrotekh. Stroit 43(5), 16-20 (in Russian); Hydrotech. Constr, 7 437-441
27. Straub, L. G., and Anderson, A. G. (1958). "Experiments on self-Aerated flow in open channels." J. Hydraul. Div, Am. Soc. Civ. Eng., 84(7), 1-35.
28. Vischer, D. L. (1987). "Kavitation an Schussrinnen." Wasserwirtschaft, 77(6), 288-291 (in German).
29. Vischer, D. L., and Hager, W. H. (1998). Dam hydraulics, Wiley, Chichester, U.K.
30. Volkart, P. (1978). "Hydraulische Bemessung steiler Kanalisationsleitun-gen unter Beröcksichtigung der Luftaufnahme." VAW-Mitteilung 30, ETH, Zörich (in German).
31. Volkart, P. (1982). "Self-Aerated flow in steep, partially filled pipes." J. Hydraul. Div, Am. Soc. Civ. Eng., 108(9), 1029-1046.
32. Volkart, P., and Rutschmann, P. (1984). "Air entrainment devices." VAW-Mitteilung 72, ETH, Zörich.
33. Wood, I. R. (1985). "Air water flows." 21st IAHR Congress, 6, 18-29.
34. Wood, I. R. (1991). "Free surface air entrainment on spillways." IAHR hydraulic structures design manual 4, air entrainment in free-surface flows, I. R. Wood, ed., 55-84, Balkema, Rotterdam.
35. Yevdjevich, V, and Levin, L. (1953). "Entrainment of air in flowing water and technical problems connected with it." 5th IAHR Congress, 439-454.