Air-water flow measurements in a flat slope pooled stepped waterway

Felder, S. and Chanson, H. (2013) Air-water flow measurements in a flat slope pooled stepped waterway. Canadian Journal of Civil Engineering, 40 4: 361-372. doi:10.1139/cjce-2012-0464

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Author Felder, S.
Chanson, H.
Title Air-water flow measurements in a flat slope pooled stepped waterway
Journal name Canadian Journal of Civil Engineering   Check publisher's open access policy
ISSN 0315-1468
Publication date 2013-04-01
Year available 2013
Sub-type Article (original research)
DOI 10.1139/cjce-2012-0464
Open Access Status File (Author Post-print)
Volume 40
Issue 4
Start page 361
End page 372
Total pages 12
Place of publication Ottawa, ON Canada
Publisher N R C Research Press
Language eng
Formatted abstract
Air-water flows on stepped spillways were investigated experimentally in the last decades with a focus on steep slope chutes equipped with flat horizontal steps. Detailed air-water flow properties were recorded herein with three stepped geometries down a slope of θ = 8.9° with: flat horizontal steps, pooled steps, and a combination of flat and pooled steps. The data included the distributions of basic air-water flow properties, as well as the energy dissipation and flow resistance data deduced from the air-water flow measurements. The results on the flat slope showed that the pooled stepped design enabled a greater rate of energy dissipation, but the pooled stepped geometries were affected by some flow instabilities and unsteady flow processes for a range of flow rates.
Keyword Air water flows
Stepped spillways
Pooled steps
Flow instabilities
Physical modelling
Q-Index Code C1
Q-Index Status Confirmed Code
Grant ID ARC DP0878922
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
Official 2014 Collection
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Citation counts: TR Web of Science Citation Count  Cited 4 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 3 times in Scopus Article | Citations
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