Experimental study of turbulence manipulation in stepped spillways. Implications on flow resistance in skimming flows

31st IAHR Congress 2005: Water Engineering for the Future, Choices and Challenges

Volumn , Issue , 2005, Pages 2616-2626

  Gonzalez, Carlos A ^a   Chanson, Hubert ^a  

^a UNIVERSITY OF QUEENSLAND   (Australia)

Author keywords

Air entrainment; Flow resistance; Physical modelling; Stepped spillway; Turbulence; Turbulence manipulation

Indexed keywords

FLOW OF WATER; HYDRAULICS; REYNOLDS NUMBER; SPILLWAYS; TURBULENCE;

AIR-WATER FLOW; FLOW RESISTANCE; LABORATORY EXPERIMENTS; MODERATE REYNOLDS NUMBERS; SKIMMING FLOWS; STEPPED SPILLWAYS; SYSTEMATIC EXPERIMENT; TURBULENCE MANIPULATION;

AIR;

EID: 85084743041     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (14)

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2. Chanson, H. (2001). "The Hydraulics of Stepped Chutes and Spillways." Balkema, Lisse, The Netherlands, 418 pages (ISBN 90 5809 352 2).
3. Chanson, H., and Gonzalez, C.A. (2004). "Stepped Spillways for Embankment dams: Review, Progress and Development in Overflow Hydraulics." Proc. Intl Conf. on Hydraulics of Dams and River Structures, Tehran, Iran, Balkema Publ., The Netherlands, pp. 287-294.
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8. Gonzalez, C.A. (2005)."An Experimental Study of Free-Surface Aeration on Embankment Stepped Chutes." Ph.D. Thesis, Dept. of Civil Engineering, University of Queensland, Brisbane, Australia.
9. Gonzalez, C.A., and Chanson, H. (2004a). "Interactions between Cavity Flow and Main Stream Skimming Flows: an Experimental Study." Can Jl of Civ. Eng., Vol. 31, No. 1, pp. 33-44.
10. Gonzalez, C.A., and Chanson, H. (2004b). "Scale Effects in Moderate Slope Stepped Spillways. Experimental Studies in Air-Water Flows." Proc. 8th National Conference on Hydraulics in Water Engineering, IEAust., Gold Coast, Australia, H. Chanson and J. Macintosh Ed., 8 pages (CD-ROM).
11. Mochizuki, S., Izawa, A., and Osaka, H. (1996). "Turbulent Drag Reduction in a d-type Rough Wall Boundary Layer with Longitudinal Thin Ribs Placed within Traverse Grooves Higher-order Moments and Conditional Sampling Analysis)." Trans. JSME Intl Journal,series B, Vol. 39, No. 3, pp. 461-469.
12. Mossa, M., Yasuda, Y., and Chanson, H (2004). "Fluvial, Environmental and Coastal Developments in Hydraulic Engineering." Balkema, Leiden, The Netherlands, Proc. Intl Workshop on State-of-the-Art Hydraulic Engineering, 16-19 Feb. 2004, Bari, Italy, 248 pages (ISBN 04 1535 899 X).
13. Ohtsu, I., Yasuda, Y., and Takahashi, M. (2004). "Flow Characteristics of Skimming Flows in Stepped Channels." Jl of Hyd. Engrg., ASCE, Vol. 130, No. 9, pp. 860-869.
14. Yasuda, Y., and Chanson, H. (2003). "Micro- and Macro-scopic Study of Two-Phase Flow on a Stepped Chute." Proc. 30th IAHR Biennial Congress, Thessaloniki, Greece, Vol. D, pp. 695-702.