Question
In: Civil Engineering
The sequent depth, ys of a hydraulic jump in a rectangular channel is related to the...
- The sequent depth, ys of a hydraulic jump in a rectangular channel is related to the initial yi, the discharge per unit length, q, gravity acceleration, g and density r. Express the ratio ys/yi in term of non-dimensional group and compare with the equation developed from momentum principles as shown below:
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Solutions
Ally Wells answered 8 months agoRelated Solutions
A hydraulic jump is formed in a rectangular channel 6.5 ft wide. The conjugate depths are...
A hydraulic jump is formed in a rectangular channel 6.5 ft wide.
The conjugate depths are 0.5 ft and 4.0 ft respectively. Calculate:
a. specific discharge, b. energy lost in the jump, c. critical
depth, minimum specific energy, d. Horsepower lost, e. Length of
the jump and f. Classify the Jump.
Depth of flow at downstream of a hydraulic jump at a reservoir outlet is 7m. The...
Depth of flow at downstream of a hydraulic jump at a reservoir
outlet is 7m. The downstream channel is rectengular with a bottom
of 4m. The discharge rate is 135 m3/s and the change in elevation
among all 3 cross-sections are negligible. Determine the height of
sluice gate and depth of water in the reservoir at upstream of the
sluice gate.
a) Sketch the specific energy curves for the following open channel flows: · A hydraulic jump...
a) Sketch the specific energy curves for the following open
channel flows:
· A hydraulic jump formed in a rectangular open channel
· Flow through a channel width constriction, where the depths
remain subcritical
throughout
· Flow through a sluice gate, where the gate opening is less
than the flow’s critical
depth.
· Flow through a combined channel width constriction together
with an upward
step, where the depth remains subcritical throughout.
b) Define and explain the following terms
· Critical...
Compute the wet area, wet perimeter, hydraulic radius and hydraulic depth for the trapezoidal channel section...
Compute the wet area, wet perimeter, hydraulic radius and
hydraulic depth for the trapezoidal channel section with the
following data: water depth = 5.5 ft, bottom width = 25 ft and side
slopes 1:2.
A rectangular channel carries a flow at a velocity of 2.1 m/sec and at a depth...
A rectangular channel carries a flow at a velocity of 2.1 m/sec
and at a depth of 2.1m. The tail end gate of the channel is
suddenly closed. Find the height and speed of the surge. What would
be the values of these quantities if the gate is partially closed
to release half of the flow?
Calculate the flow depth in a rectangular riveted steel open channel with a width of 6.1...
Calculate the flow depth in a rectangular riveted steel open
channel with a width of 6.1 m and a slope of 0.0001, since the
water flow is 6.8 m3/s.
Importance of channel depth in harbor layout.
Importance of channel depth in harbor layout.
Consider a rectangular channel with a variable width b and horizontal channel bottom, a) Obtain the...
Consider a rectangular channel with a variable width b and
horizontal channel bottom, a) Obtain the equation of water surface
profile (dy/dx) as function of Froude number and channel width
change (db/dx) in a channel transition assuming that over a short
distance x, the energy losses can be neglected. b) Using the
equation you have obtained, draw the water surface profile if flow
is subcritical and if there is an enlargement in channel cross
section b in downstream section (2)...
Consider a rectangular channel with a variable width b and horizontal channel bottom, a) Obtain the...
Consider a rectangular channel with a variable width b and
horizontal channel bottom, a) Obtain the equation of water surface
profile (dy/dx) as function of Froude number and channel width
change (db/dx) in a channel transition assuming that over a short
distance x, the energy losses can be neglected. b) Using the
equation you have obtained, draw the water surface profile if flow
is subcritical and if there is an enlargement in channel cross
section b in downstream section (2)...
Consider a rectangular channel with a variable width b and horizontal channel bottom, a) Obtain the...
Consider a rectangular channel with a variable width b and
horizontal channel bottom, a) Obtain the equation of water surface
profile (dy/dx) as function of Froude number and channel width
change (db/dx) in a channel transition assuming that over a short
distance x, the energy losses can be neglected. b) Using the
equation you have obtained, draw the water surface profile if flow
is subcritical and if there is an enlargement in channel cross
section b in downstream section (2)...
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