influence of spur dike on flow patterns in an open channel

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ID: 163694
2013
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Abstract
Spur dikes are used for river protection purposes. They are typical in-stream structures. There existence results in a considerable change in the flow structure of open channel flow both upstream and downstream of the spur dike. This paper presents a numerical work conducted to get the mean and turbulent flow features under the influence of spur dike. Primary velocity distributions over cross sections and horizontal planes, streamlines over vertical sections and turbulence kinetic energy were investigated. The presence of spur dike was found to have disturbed all the investigated flow features along the length of the channel. The flow separation and recirculation was observed on the down stream side of the dike. The reversal of flow behind the dike was directed downwards from the surface. On the basis of the results obtained in this study, an attempt has been made to enhance the understanding of the flow patterns which exist in case of a spur dike which can further be used for development and improvement of formulae relevant to spur-dikes.
Reference Key
ghani2013mehraninfluence Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Usman Ghani;Shahid Ali;Sabahat Arif
Journal parkinson's disease
Year 2013
DOI
DOI not found
URL
http://publications.muet.edu.pk/research_papers/pdf/pdf796.pdf
Keywords
civil engineering (general)science flow separation

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