Momentum considerations in hydraulic jumps and bores

Chanson, Hubert (2012) Momentum considerations in hydraulic jumps and bores. Journal of Irrigation and Drainage Engineering, 138 4: 382-385. doi:10.1061/(ASCE)IR.1943-4774.0000409

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Author Chanson, Hubert
Title Momentum considerations in hydraulic jumps and bores
Journal name Journal of Irrigation and Drainage Engineering   Check publisher's open access policy
ISSN 0733-9437
1943-4774
Publication date 2012-04
Year available 2011
Sub-type Article (original research)
DOI 10.1061/(ASCE)IR.1943-4774.0000409
Volume 138
Issue 4
Start page 382
End page 385
Total pages 4
Place of publication Reston, VA, U.S.A.
Publisher American Society of Civil Engineers
Collection year 2013
Language eng
Formatted abstract A hydraulic jump is the turbulent transition from a high velocity into a slower flow. A related process is the hydraulic jump in translation. The application of the equations of conservation of mass and momentum in their integral form yields a series of relationships between the flow properties in front of and behind the jump. The effects of the cross-sectional shape and bed friction are investigated. The effect of the flow resistance yields a smaller ratio of conjugate cross-section areas for a given Froude number. The solutions are tested with some field measurements of tidal bores in natural channels, illustrating the range of cross-sectional properties in natural systems and irregular channels.
Keyword Hydraulic jumps
Bores
Momentum considerations
Irregular channel
Conjugate crosssection areas
Flow resistance
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online on August 19, 2011. The deposited PDF is the postprint in line with the Romeo/Sherpa policy.

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
Official 2013 Collection
 
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Created: Fri, 27 Apr 2012, 07:02:17 EST by Hubert Chanson on behalf of School of Civil Engineering