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Review of literature on local scour under plane turbulent wall jets
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Stability of hydraulic structures is threatened by persistent scour downstream of the apron, which renders their foundations exposed. Jets issuing under the sluice gate are turbulent enough to cause significant scour. Extensive study of the jets is, therefore, necessary in order to understand the underlying hydraulics and provide remedial measures. In this paper, a comprehensive review of the investigations on local scour caused by wall jets is presented, including both the classical as well as the prevalent approach. Various aspects of the scour under wall jets have been explained, including the process of scouring, different parameters affecting the maximum scour depth, analysis of flow characteristics within the scour hole and on the apron, time variation of scour depth, rate of sediment removal, and scour depth estimation formulae.
Title: Review of literature on local scour under plane turbulent wall jets
Description:
Stability of hydraulic structures is threatened by persistent scour downstream of the apron, which renders their foundations exposed.
Jets issuing under the sluice gate are turbulent enough to cause significant scour.
Extensive study of the jets is, therefore, necessary in order to understand the underlying hydraulics and provide remedial measures.
In this paper, a comprehensive review of the investigations on local scour caused by wall jets is presented, including both the classical as well as the prevalent approach.
Various aspects of the scour under wall jets have been explained, including the process of scouring, different parameters affecting the maximum scour depth, analysis of flow characteristics within the scour hole and on the apron, time variation of scour depth, rate of sediment removal, and scour depth estimation formulae.
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