the width of horizontal rectangular channel is reduced gradually from 4.0m to 3.0 m and the floor is raised by 0.3m at contracted section, at the upstream section the depth of flow is 2.0m and the kinetic energy correction factor is 1.15. if the drop in the water surface elevation at the contraction is 0.20m A) calculate the discharge if energy loss is one -tenth of upstream velocity head. assume kinetic energy correction factor at contracted section as 1 B)determine the state of flow where canal width is 4m C)if the discharge in the canal is 8m3/s,determine minimum width to which the channel can be contracted without affecting specific energy upstream ofthe contraction
the width of horizontal rectangular channel is reduced gradually from 4.0m to 3.0 m and the floor is raised by 0.3m at contracted section, at the upstream section the depth of flow is 2.0m and the kinetic energy correction factor is 1.15. if the drop in the water surface elevation at the contraction is 0.20m A) calculate the discharge if energy loss is one -tenth of upstream velocity head. assume kinetic energy correction factor at contracted section as 1 B)determine the state of flow where canal width is 4m C)if the discharge in the canal is 8m3/s,determine minimum width to which the channel can be contracted without affecting specific energy upstream ofthe contraction
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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the width of horizontal rectangular channel is reduced gradually from 4.0m to 3.0 m and the floor is raised by 0.3m at contracted section, at the upstream section the depth of flow is 2.0m and the kinetic energy correction factor is 1.15. if the drop in the water surface elevation at the contraction is 0.20m
A) calculate the discharge if energy loss is one -tenth of upstream velocity head. assume kinetic energy correction factor at contracted section as 1
B)determine the state of flow where canal width is 4m
C)if the discharge in the canal is 8m3/s,determine minimum width to which the channel can be contracted without affecting specific energy upstream ofthe contraction
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