Minxue (Kevin) He Homework #2 Solution Set
CEE151 W08
1. Solution:
According to the problem, the normal depth of flow d could be determined as,
d = (2 ft ) (cos 25 ) = 1.813 ft Since the width w = 1 ft , the cross-section area A could be computed
UCLA
CEE 151 Water Resources Engineering
Winter 2013
Problem Set 1
3. Develop the following expression for headloss in a pipe for steady laminar flow.
5 a) You have been asked to design a steel drainage line for the reservoir shown below.
The line dischar
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2013
Problem Set 4
1. A simple surge tank of 4 ft diameter is placed near the terminus of a 4000 ft long 12 inch steel
pipeline, where the pressure is 15 psig. What is the conservative maxim
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2013
Problem Set 2
1. Design a thrust block for a pipeline with a 90 degree elbow, given the following:
v = 5 ft/sec, D = 8 inches, P = 70 psi. Soil type: sand and gravel. Use a safety
facto
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2013
Problem Set 5
1. For PS 4, you solved the following problem, and should have determined normal depth to
be 2.61 feet.
Now, determine the Froude number. Is the flow sub-critical or super
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2013
Problem Set 3
2. A steel pipeline 6.0 inches in diameter with a wall thickness of 0.25 inches, extends 3,280 ft
between two reservoirs shown below.
A.) What is the static pressure at th
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2013
Problem Set 7
1. You have been asked to check a design for a street gutter and curb inlet in an area of the city
that has been zoned as light industrial. The industrial blocks are 300 x
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2013
Problem Set 6
2. Perform a preliminary conceptual design for sizing the pump in the Kilburn Pressure
Zone. At this time, assume it will be located near fixed grade node 21. Consider an
UCLA
CEE 151 Water Resources Engineering
Winter 2016
Problem Set 1
4 a) You have been asked to design a galvanized iron drainage line for the reservoir
shown below. The line discharges to the atmosphere through a fully open butterfly valve
(K=0.3). The st
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2016
Problem Set 4
1. A simple surge tank of 4 ft diameter is placed near the terminus of a 4000 ft long 12 inch steel
pipeline, where the pressure is 15 psig. What is the conservative maxim
CEE 151 Design Project W 2016
Problem Statement:
You are asked to design a municipal water distribution system with two sources of supply. System components will
include elevated storage, pump(s) and a pipe network.
Network: After careful analysis of the
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2016
Problem Set 3
1. Two reservoirs are connected with a 30 inch diameter steel pipeline (f=0.02) and a length of
19,680 ft. Compute the flow rate in the pipeline and the pressure at the mi
Control Section
HW - Headwater
TW — Tailwater
W.S. - Water Surface
dc — Critical Depth
Figure I-13-Typical Inlet Control Flow Section
A special type of free surface ﬂow is called "just-full ﬂow." This is a special condition where a
pipe flows full with
Thrust Bluclis shuuld In: placed un the ﬁlling
in this dirrtliun Hf“ alL‘r ﬂu“.
IJU nut L‘m'usu: IhL‘ L‘nIiI’L‘ filing in cuncruiu. Datum
hL. DC apor no u es co apse
in high-pressure region
mpeller blade
Distorted
flow lines L " EGL 5%
2 : “HRH. ﬁ‘h“~ J
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2012
Problem Set 7
Use the Storage Indication, utilizing excel or MATLAB. Graph the inflow and outflow
hydrographs on the same set of axes.
2. A small rectangular parking lot drains into a r
Minxue (Kevin) He Homework #3 Solution Set
CEE151 W08
1. Solution: Assume that three pipes shown in Figure P4.5.2 are pipe A, pipe B, and pipe C from the left to right, respectively. Head loss in these pipes ( hli ) can be expressed as:
LA VA2 hlA
Analysis of Water Flow under Trickle Irrigation: I. Theory and Numerical Solution
F. Lafolie, R. Guennelon, and M. Th. van Genuchten* ABSTRACT
Estimating the size of the ponded surface area is a major source of error in modeling water movement under
Problems Chapter 8
Janet Barco CEE 151 Winter 2008
If you see typo errors.let me know
1
Problem 1 500 acres watershed, 70% grass (Runoff Coef. = 0.45), 30 % forest (Runoff Coef. = 0.35),. Estimate the peak flow for 30 min storm and 50 years frequen
Problem # 1
For the simple pipe system shown in the figure, the pressure are p1=14 kPa, p2=12.5 kPa, and p3=10kPa. Determine the head loss between 1 and 2 and the head loss between 1 and 3. The discharge is 7 l/s. The energy equation between 1 and 2
PS Solutions W2012
1. From PS 4 we found that normal depth was yn=2.61 feet. The flow area is
ft2.
Top Width is
ft.
Hydraulic Depth is
ft.
ft/sec
(less than 1 therefore flow is sub-critical)
Solve for critical depth utilizing Newtons method, or MATLAB to
PS 3 Solutions W 2012
12.2.11
Using the following equation solve for Zs
So
, and
with safety factor (my preferred answer)
= - 2.29 m (suction lift) without the safety factor.
2 A.) Static pressure at closed valve is
From Bernoullis,
so
where
B.) From unst
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2012
Problem Set 4
1. A simple surge tank of 4 ft diameter is placed near the terminus of a 4000 ft long 12 in steel
pipeline, where the pressure is 15 psig. What is the conservative maximum
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2012
Problem Set 3
2. A steel pipeline 6.0 inches in diameter with a wall thickness of 0.25 inches, extends 3,280 ft
between two reservoirs shown below.
A.) What is the static pressure at th
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2012
Problem Set 8
1. You have been asked to check a design for a street gutter and curb inlet in an area of the city
that has been zoned as light industrial. The industrial blocks are 300 x
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2012
Problem Set 5
1. For PS 4, you solved the following problem, and should have determined normal depth to
be 2.61 feet.
Now, determine the Froude number. Is the flow sub-critical or super
UCLA
CEE 151 Water Resources Engineering
Winter 2012
Problem Set 1
3. Develop the following expression for headloss in a pipe for steady laminar flow.
5 a) You have been asked to design a steel drainage line for the reservoir shown below.
The line dischar
UCLA
CEE 151: Introduction to Water Resources Engineering
Winter 2012
Problem Set 2
1. Design a thrust block for a pipeline with a 90 degree elbow, given the following:
v = 5 ft/sec, D = 8 inches, P = 70 psi. Soil type: sand and gravel. Use a safety
facto
PS 2 Solutions
1. Because we have a 90 degree bend, I calculated Fx = Fy = 3533.72 lbf, and a
result force of about 4997 lbf. Thus
Width = 2.74 ft, Height = 1.37 ft.
2. Pipe AD flow is 0.134 cms towards junction node D
Pipe DB flow is 0.070 cms towards re