Open Channel Flow - MADE EASY Study Material for GATE, ESE and SES Exams

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Surges in Open Channels

A surge or surge wave is a moving wave front which brings about an abrupt change in depth of flow.

When the channel is non rectangular i.e., triangular, trapezoidal etc. the flow in a jump will involve lateral expansion of

Hydraulic jump primarily serves as an energy dissipator to dissipate the excess energy of flowing water downstream of hydraulic structures

A control section is the section in which a fixed relationship exists between the discharge and the depth of flow.

The pressure distribution at any section in gradually varied flow is assumed to be hydrostatic. This is because the curvature

Section factor, Z, for critical flow computation, is the product of wetted area and square root of hydraulic depth. It

As per the momentum equation, the algebraic sum of all external forces acting in a given direction on a fluid

In an open channel, velocity across any section is not constant. It is zero at the channel boundary and maximum