Air Bubble Entrainment and Water Projections in Hydraulic Jumps

Chanson, Hubert and Chachereau, Yann (2010). Air Bubble Entrainment and Water Projections in Hydraulic Jumps. In: Jennifer Sinclair Curtis and S. Balachandar, 7th International Conference on Multiphase Flow ICMF 2010, Tampa FL, USA, (1-2). 30 May - 5 June 2010.

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Author Chanson, Hubert
Chachereau, Yann
Title of paper Air Bubble Entrainment and Water Projections in Hydraulic Jumps
Conference name 7th International Conference on Multiphase Flow ICMF 2010
Conference location Tampa FL, USA
Conference dates 30 May - 5 June 2010
Place of Publication Tampa FL, USA
Publisher The University of Florida
Publication Year 2010
Year available 2010
Sub-type Poster
Editor Jennifer Sinclair Curtis
S. Balachandar
Volume Gallery of Multiphase Flow
Start page 1
End page 2
Total pages 2
Language eng
Abstract/Summary The hydraulic jump is a sudden transition from a high-velocity open channel flow to a slower motion - the jump is characterised by the development of large-scale turbulence, a significant rate of energy dissipation, some spray and splashing, and air bubble entrainment. A hydraulic jump roller includes two distinct air-water regions: the air-water shear region and the upper free-surface layer above - most air is entrapped at the jump toe/impingement point that is a source of vorticity and of air bubbles. High-shutter speed photographs and movies show large instantaneous air-water structures projected high above the roller surface. The short-lived structures exhibit a wide range of shapes.
Subjects 09 Engineering
0905 Civil Engineering
090509 Water Resources Engineering
EX
Keyword Hydraulic jumps
Air-water projections
Air bubble entrainment
Droplets
Spray
Q-Index Code EX
Q-Index Status Confirmed Code
Institutional Status Non-UQ
Additional Notes The full bibliographic details are: CHANSON, H., and CHACHEREAU (2010). "Air Bubble Entrainment and Water Projections in Hydraulic Jumps." 7th International Conference on Multiphase Flow ICMF 2010, Tampa FL, USA, May 30-June 4, Gallery of Multiphase Flow, Poster presentation. The material was presented as part of the ICMF2010 Gallery of Multiphase Flow during the congress.

Document type: Conference Paper
Collections: School of Civil Engineering Publications
Non HERDC
 
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Created: Mon, 31 May 2010, 07:26:42 EST by Hubert Chanson on behalf of School of Civil Engineering