A rectangular channel 3.05 m wide carries 3.4 m3/s uniform flow of water at a depth of 0.6 m. Suppose that an obstruction such as a weir is placed across the channel with the height of 0.2 m above the bottom. (a) Does this weir cause a hydraulic jump upstream of the weir? Why or why not? (b) Calculate the flow depth above the weir, and just upstream of the weir. Classify the surface profile occur upstream of the weir. Sketch the resulting water-surface profile and energy line, showing the critical depth yc and normal depth yo
A rectangular channel 3.05 m wide carries 3.4 m3/s uniform flow of water at a depth of 0.6 m. Suppose that an obstruction such as a weir is placed across the channel with the height of 0.2 m above the bottom. (a) Does this weir cause a hydraulic jump upstream of the weir? Why or why not? (b) Calculate the flow depth above the weir, and just upstream of the weir. Classify the surface profile occur upstream of the weir. Sketch the resulting water-surface profile and energy line, showing the critical depth yc and normal depth yo
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A rectangular channel 3.05 m wide carries 3.4 m3/s uniform flow of water at a depth of 0.6 m. Suppose that an obstruction such as a weir is placed across the channel with the height of 0.2 m above the bottom.
(a) Does this weir cause a hydraulic jump upstream of the weir? Why or why not?
(b) Calculate the flow depth above the weir, and just upstream of the weir. Classify the surface profile occur upstream of the weir. Sketch the resulting water-surface profile and energy line, showing the critical depth yc and normal depth yo.
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