10. It is Known that:•Q = 18 m^3 / s• Rectangular channel, 3 m wide• Unfinished form concrete• Hydraulic jump occurs at a depth of y1 = 1 mDetermine: Energy attenuation in hydraulic jump (energy loss)

When liquid flows at a high velocity in an open channel, the flow can become unstable, and minor…

Answered: 10. It is Known that: •Q = 18 m^3 / s •…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Problem 1.1MA

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A circular corrugated-metal water channel has a slope of1:800 and a diameter of 6 ft. (a) Estimate the normal discharge,in gal/min, when the water depth is 4 ft. (b) For thiscondition, calculate the average wall shear stress.
QUESTION 4 Water flows in a rectangular channel at a depth of y₁ = 0.2 m and a flow rate of 7.5 m³/s. A hydraulic jump is generated and the width of the channel is 4 m. Chezy's roughness constant for the channel is 56 SI units. Determine: 4.1 the depth downstream 4.2 the Froude number downstream 4.3 the head loss in the jump 4.4 the bed slope
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A trapezoidal open-channel (n=0.015) has a side slope of 5H:2V and a bottom width of 2.5m. The flow depth is 1.5m when the slope is 0.002. Determine the volumetric flowrate.
7. A long triangular open channel with two different side slopes, these are: 2:1 and 3:1 (H: V). The Manning coefficient is 0.014. The longitudinal bed slope =0.004, this channel is converted to the best economic section by using the same amount of material at depth 1.5m in the old section. The old and new flow discharges in m3/s (respectively) are: 9.9 & 57.5 29.8 & 67.3 20.5 & 14.5 19.9 & 37.3 None
In flowing from section (1) to section (2) along a rectangular open channel, the water depth decreases by a factor of three and the Froude number changes from a subcritical value of 0.7 to a supercritical value of 3.4. Determine the channel width at (2) if it is 8 ft. wide at section (1). Assume stead-state flow.
Consider a rectangular channel 3 m wide laid on a 1°slope. If the water depth is 2 m, the hydraulic radius is(a) 0.43 m, (b) 0.6 m, (c) 0.86 m, (d ) 1.0 m, (e) 1.2 m
Consider steady flow of water in a downwardsloped channel of rectangular cross section. If the flow is subcritical and the flow depth is less than the normal depth (y < yn), the flow depth will (a) increase, (b) remain constant, or (c) decrease in the flow direction.
A triangular open-channel (n=0.014) has a side slope of 4H:5V. The flow depth is 1.5m when the slope is 0.002. Determine the volumetric flowrate.

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10. It is Known that: •Q = 18 m^3 / s • Rectangular channel, 3 m wide • Unfinished form concrete • Hydraulic jump occurs at a depth of y1 = 1 m Determine: Energy attenuation in hydraulic jump (energy loss)