EBK WATER RESOURCES ENGINEERING
3rd Edition
ISBN: 9781119493167
Author: Mays
Publisher: VST
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Chapter 5, Problem 5.5.2P
To determine
(a)
The flow rate in the channel.
To determine
(b)
The critical depth.
To determine
(c)
The head loss in the jump.
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For the prestressed concrete beam with a straight tendon shown in Fig below
which is under the prestressing force of 1620 kN, Analyze the stresses at Mid-span at
transfer stage. The uniformly distribution load (self weight) = 4.75 kN/m. Then draw
the stress distribution across the section mid-span.
W=4.75 kN/m
Δ
7.3 m
F= 1620 kN
750 mm
I 230 mm
500 mm
4.36 A pipe slopes upward in the direction of liquid flow at an angle of 30° with the horizontal. What is the pressure gradient in the flow direction along the pipe in terms of the specific weight of the liquid, y, if the liquid is decelerating (accelerating opposite to
flow direction) at a rate of 0.3 g?
4.25 In this flow passage, the velocity is varying with time. The velocity varies with time at section A-A as
4m
V-41/1-230/1
2.25-
S
to
At time t = 0.50s, it is known that at section A-A the velocity gradient in the s direction is +2.1 m/s per meter. Given that to is 0.6 s and assuming quasi-1-D flow, answer the following questions for time t = 0.5 s:
a. What is the local acceleration at A-A?
b. What is the convective acceleration at A-A?
A
Diameter 50 cm
Problem 4.25
Chapter 5 Solutions
EBK WATER RESOURCES ENGINEERING
Ch. 5 - Prob. 5.1.1PCh. 5 - Prob. 5.1.2PCh. 5 - Prob. 5.1.3PCh. 5 - Prob. 5.1.4PCh. 5 - Prob. 5.1.5PCh. 5 - Prob. 5.1.6PCh. 5 - Prob. 5.1.7PCh. 5 - Prob. 5.1.8PCh. 5 - Prob. 5.1.9PCh. 5 - Prob. 5.2.1P
Ch. 5 - Prob. 5.2.2PCh. 5 - Prob. 5.3.1PCh. 5 - Prob. 5.3.2PCh. 5 - Prob. 5.3.3PCh. 5 - Prob. 5.3.4PCh. 5 - Prob. 5.3.5PCh. 5 - Prob. 5.3.6PCh. 5 - Prob. 5.4.1PCh. 5 - Prob. 5.4.2PCh. 5 - Prob. 5.5.1PCh. 5 - Prob. 5.5.2PCh. 5 - Prob. 5.5.3PCh. 5 - Prob. 5.5.4PCh. 5 - Prob. 5.5.5PCh. 5 - Prob. 5.5.6P
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