Turbulent shear stresses in hydraulic jumps and decelerating surges

Chanson, Hubert (2009). Turbulent shear stresses in hydraulic jumps and decelerating surges. In: Proceedings of the Water Engineering for a Sustainable Environment Congress. 33rd IAHR Biennial Congress, Vancouver BC, Canada, (5045-5052). 9-14 August 2009.

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Author Chanson, Hubert
Title of paper Turbulent shear stresses in hydraulic jumps and decelerating surges
Conference name 33rd IAHR Biennial Congress
Conference location Vancouver BC, Canada
Conference dates 9-14 August 2009
Convener Jeffrey Bradley
Proceedings title Proceedings of the Water Engineering for a Sustainable Environment Congress
Place of Publication Madrid, Spain
Publisher IAHR
Publication Year 2009
Year available 2009
Sub-type Fully published paper
ISBN 978-90-78046-08-0
Start page 5045
End page 5052
Total pages 8
Collection year 2010
Language eng
Abstract/Summary In an open channel, a sudden rise in water level induces a positive surge. Once fully-developed, the surge becomes a hydraulic jump in translation. Herein unsteady turbulent shear stresses were measured during the translation of a fully-developed positive surge. New investigations were conducted in a large rectangular channel (12 m long, 0.5 m wide) and measurements were performed using acoustic Doppler velocimetry with a high temporal and spatial resolution (200 Hz sampling rate). Horizontal and adverse bed slope configurations were tested. In the latter, the surge decelerated until it became a stationary hydraulic jump.
Subjects 090509 Water Resources Engineering
E1
970109 Expanding Knowledge in Engineering
Keyword Hydraulic jumps
Positive surges
Decelerating surges
Turbulence
Reynolds stress tensor
Turbulent shear stress
Bed scour
Sediment suspension
Q-Index Code E1
Q-Index Status Confirmed Code
Additional Notes The full bibliographic details are: CHANSON, H. (2009). "Turbulent Shear Stresses in Hydraulic Jumps and Decelerating Surges." Proc. 33rd IAHR Biennial Congress, IAHR-ASCE-EWRI, Vancouver, Canada, 9-14 Aug., pp. 5045-5052 (ISBN 978-90-78046-08-0)

 
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Created: Mon, 10 Aug 2009, 21:54:02 EST by Hubert Chanson on behalf of School of Civil Engineering