Air concentration distribution in deflector-jets

Pfister, M. and Schwindt, S. (2014). Air concentration distribution in deflector-jets. In: Hubert Chanson and Luke Toombes, Hydraulic structures and society - Engineering challenges and extremes. 5th IAHR International Symposium on Hydraulic Structures, Brisbane, Australia, (1-8). 25-27 June 2014. doi:10.14264/uql.2014.29

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Author Pfister, M.
Schwindt, S.
Title of paper Air concentration distribution in deflector-jets
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.2014.29
Open Access Status DOI
ISBN 9781742721156
Editor Hubert Chanson
Luke Toombes
Start page 1
End page 8
Total pages 8
Language eng
Abstract/Summary As an alternative to ski jumps, deflectors can be implemented on spillways to generate free jets. They guide, up to a certain limit, the jet to an achieved location onto the plunge pool surface, and furthermore enhance the process of jet disintegration. The present research addresses the following aspects, derived from physical model tests: (1) length and shape of the jet black-water core and further characteristic air concentration contour lines, (2) streamwise development of average and minimum sectional air concentrations, as well as jet thickness, and (3) sectional air concentration profiles along the jet. It is shown that all mentioned parameters depend only on the relative black-water core length, being a function of the approach flow characteristics, the deflector geometry and the chute slope.
Keyword Air concentration
Black-water core
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ

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Created: Tue, 13 May 2014, 21:02:04 EST by Anthony Yeates on behalf of Scholarly Communication and Digitisation Service