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Hydraulic behaviour of flow over an oblique weir
A comprehensive set of experiments was performed on weirs placed obliquely in a rectangular open channel. The main objectives were to investigate the effect of the weir angle relative to the approach flow direction on the behaviour and the hydraulic flow characteristics and to examine methods such as using upstream guide vanes and inclined aprons to increase the effective oblique weir length. Results indicate that by increasing the oblique angle, the effective length of the oblique weir increases significantly. Relationships are provided for the threshold submergence and the effective length of the oblique weir. Design recommendations are also presented for the use of guide vanes and upstream inclined aprons.
Hydraulic behaviour of flow over an oblique weir
A comprehensive set of experiments was performed on weirs placed obliquely in a rectangular open channel. The main objectives were to investigate the effect of the weir angle relative to the approach flow direction on the behaviour and the hydraulic flow characteristics and to examine methods such as using upstream guide vanes and inclined aprons to increase the effective oblique weir length. Results indicate that by increasing the oblique angle, the effective length of the oblique weir increases significantly. Relationships are provided for the threshold submergence and the effective length of the oblique weir. Design recommendations are also presented for the use of guide vanes and upstream inclined aprons.
Hydraulic behaviour of flow over an oblique weir
Kabiri-Samani, Abdorreza (author) / Ansari, Ahmad (author) / Borghei, S. Mahmood (author)
Journal of Hydraulic Research ; 48 ; 669-673
2010-10-01
5 pages
Article (Journal)
Electronic Resource
English
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