Analysis of nonuniform aerated skimming flows on stepped channels

Takahashi, M. and Ohtsu, I. (2014). Analysis of nonuniform aerated skimming flows on stepped channels. In: Hubert Chanson and Luke Toombes, Hydraulic structures and society - Engineering challenges and extremes. 5th IAHR International Symposium on Hydraulic Structures, Brisbane, Australia, (1-9). 25-27 June 2014. doi:10.14264/uql.2014.18

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Author Takahashi, M.
Ohtsu, I.
Title of paper Analysis of nonuniform aerated skimming flows on stepped channels
Conference name 5th IAHR International Symposium on Hydraulic Structures
Conference location Brisbane, Australia
Conference dates 25-27 June 2014
Proceedings title Hydraulic structures and society - Engineering challenges and extremes
Journal name ISHS 2014 - Hydraulic Structures and Society - Engineering Challenges and Extremes: Proceedings of the 5th IAHR International Symposium on Hydraulic Structures
Place of Publication Brisbane, Australia
Publisher The University of Queensland
Publication Year 2014
Year available 2014
Sub-type Fully published paper
DOI 10.14264/uql.2014.18
Open Access Status DOI
ISBN 9781742721156
Editor Hubert Chanson
Luke Toombes
Start page 1
End page 9
Total pages 9
Language eng
Abstract/Summary For the hydraulic design of steep stepped channels, it is important to elucidate the aerated flow characteristics of skimming flows both in nonuniform and quasi-uniform flows. For the nonuniform aerated flow region, an analytical equation for calculation of the aerated flow depth is developed, and the surface profile and specific energy are calculated using this equation together with the continuity equation for the air phase. The results agree with the experimental data.
Keyword Stepped channel
Nonuniform skimming flow
Air concentration
Aerated flow velocity
Aerated flow depth
Energy head of aerated flow
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ

 
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Created: Tue, 13 May 2014, 02:11:28 EST by Anthony Yeates on behalf of Scholarly Communication and Digitisation Service