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Gradually varied flow refers to a type of open channel flow where the water surface slope changes gradually along the channel length, allowing for a smooth transition between different flow conditions. This occurs when the flow depth varies slowly in space, typically resulting from changes in channel shape or roughness. In such scenarios, the flow remains in a state of equilibrium, governed by forces like gravity, friction, and pressure, and is often analyzed using the principles of gradually varied flow equations in hydraulic engineering. This concept contrasts with rapidly varied flow, where significant changes in flow conditions occur over a short distance.

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3w ago

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