2/8/2017
Hao Chen
CEE:3371
1
of 5
Problem #9
Problem: Branching Pipe System
Statement:
Analyze the flow conditions in a branching pipe system shown below.
Diagram
The dimensions of each pipe segment are shown in Table 1. Steel pipe is used for each segmen
2/17/2017
Hao Chen
CEE:3371
1
of 5
Problem #13
Problem: Network Simulation Using the Hardy Cross Method
Statement:
Use the Hardy Cross method to analyze pipe flows and head losses in the network shown below.
Neglect minor losses and assume that the fricti
1/30/2017
Hao Chen
CEE:3371
1
of 2
Problem #4
Problem: Continuity and Closed Conduit Pipe Flow
Statement:
Use the information from Chin Problem 2.2 and solve for the case where the diameter of the smaller
pipes is 150-mm (not 100-mm as stated):
a.
b.
c.
d
2/15/2017
Hao Chen
CEE:3371
1
of 3
Problem #12
Problem: Pumps in Series
Statement:
A pump has the pump characteristic curve as shown in Table 1.
Table 1: The pump characteristic curve for a single pump.
Q (gpm)
0
100
200
300
400
500
hp (ft)
250
240
210
16
3/8/2017
Hao Chen
Problem #18
CEE:3371
1 of 2
Problem: Specific Energy for a Rectangular Channel
Statement:
The flow rate in a 2-m wide rectangular channel is 1.5 m3/s.
Determine the specific discharge (in m2/s)
Determine the critical depth (in m)
Determi
3/6/2017
Hao Chen
CEE:3371
1
of 3
Problem #16
Problem: Open Channel Flow Equations
Statement:
Water flows at a depth of 3.0 m in an 8-m wide rectangular channel. The slope of the energy grade
line is 0.0001 m/m. The channel is concrete-lined (float finish
2/1/2017
Hao Chen
CEE:3371
1
of 3
Problem #5
Problem: Friction Losses for Different Flow Conditions in a Pipe
Statement:
Evaluate the energy (head) loss due to friction in a 200 ft section of 3-inch diameter pipe for a
Reynolds number of 50,000. Assume th
3/20/2017
Hao Chen
CEE:3371
1
of 3
Problem #20
Problem: Specific Energy Applications
Statement:
A 10-meter wide rectangular channel has a flow rate of 15 m3/s and a water depth of 1.8 m.
a. Determine the average flow velocity V (in m/s).
b. Determine the
2/15/2017
Hao Chen
CEE:3371
1
of 2
Problem #11
Problem: Pump Operations
Statement:
(Adapted from Chin Textbook 2.53) Water is being pumped from reservoir A to reservoir F through a
30-m long PVC pipe of diameter 150 mm (see Diagram). There is an open gate
3/6/2017
Hao Chen
CEE:3371
1
of 2
Problem #17
Problem: Normal Flow Depth in a Triangular Channel
Statement:
A concrete-lined (n=0.013) triangular channel has 3:1 (H:V) side slopes. The channel slope (So) is
0.008. Find the normal flow depth in the channel
3/10/2017
Hao Chen
Problem #19
CEE:3371
1 of 2
Problem: Mild and Steep Slopes for a Trapezoidal Channel
Statement:
Water flows at 60 m3/s in a trapezoidal channel with a bottom width of 10 m and side slopes of 1:1
(H:V). Manning's roughness n for the chan
2/20/2017
Hao Chen
CEE:3371
1
of 2
Problem #14
Problem: Water Hammer
Statement:
(Adapted from Chin Textbook Problem 2.36). Water at 20C flows in a 150-m long 50-mm diameter
ductile-iron pipe at 4 m/s. The thickness of the pipe wall is 1.5 mm and the modul
2/1/2017
Hao Chen
CEE:3371
1
of 2
Problem #4
Problem: Comparison of Friction Loss Equations
Statement:
Use the information from Chin Textbook Problem 2.32 and evaluate the following:
a.
b.
c.
d.
The head loss (in m) based on Hazen-Williams formula
The hea
mmuv . ,
whim-gunman. 1 mm m.
. manning, 1
A NS W 51:33.3
CBE/CEEz4107 Sustainable Systems
Quiz #3 - April 13, 2016
1. Biofuels.
A. Name the main crop in the US. used to make ethanol biofuel?
Cos-n1
B. Name at least one feedstock to make cellulosic ethan
53:10? Sustainable Systems
Individual Assignment #2 Energy Audits
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(1)
13
xer/(WV /
Answer the following questions by typing your answers directly on this document le.
Turn in your Word document assignment to your individual drop-box by 5:00 pm. on
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53:107 Sustainable Systems
Individual Assignment #3 LCA of Transportation Fuels
Due: February 27, 2017 by beginning of class (5:00 p.m.)
ANSWERS
Readings:
Power Point Presentations from class on LCA & EPA (2006) Life Cycle Assessment
Reading Assignments o
CEE:4107 Sustainable Systems
Quiz #1 - ANSWERS
February 17, 2016
1. Give a definition of Sustainable Development according to the Brundtland
Commission (1987) report, Our Common Future.
meeting the needs of the present without compromising the needs of fu
CBE/CEE:4107 Sustainable Systems
Quiz #2 March 9, 2016 ANSWERS
1. Consider a stream-lined Life Cycle Assessment shown below to compare three
types of housing for their total environmental burdens: a traditional wood-frame
house, a masonry house (concrete
CBE/CEE:4107 Sustainable Systems
Quiz #3 - April 13, 2016
1. Biofuels.
A. Name the main crop in the U.S. used to make ethanol biofuel?
B. Name at least one feedstock to make cellulosic ethanol which we discussed?
C. Name the main crop in the U.S. used to
CEE:4107:0001 Sustainable Systems
Ecological Footprint Individual Assignment #1
Individual Assignment #1 ANSWERS (20 points total credit)
1.Fill in the blanks below. Use the Ecological Footprint calculator: (10 pts about 1 pt/answer below)
http:/footprint
CBE/CEE:4107 Sustainable Systems
Quiz #2 March 9, 2016
1. Consider a stream-lined Life Cycle Assessment shown below to compare three
types of housing for their total environmental burdens: a traditional wood-frame
house, a masonry house (concrete or brick
CEE:4107 Sustainable Systems
Quiz #1
February 17, 2016
1. Give a definition of Sustainable Development according to the Brundtland
Commission (1987) report, Our Common Future.
2. Can the exploitation of renewable resources be considered sustainable? Give
Period #17 : CONSOLIDATION BEHAVIOR OF SOIL - II
A. Review
Consolidation deals with densification of soil under sustained compressive
loads
In studying consolidation of soils, there are two primary issues:
i.
Once a compressive load is applied to a soil d
Period #23: DRAINED AND UNDRAINED SHEAR STRENGTHS OF SOILS
A. Overview
We discuss the difference between fully drained strength behavior of soils and
fully undrained strength behaviors. Also, when would it be apropos to use
each type of behavior when anal
Period #21 : SHEAR STRENGTH OF SOIL - II
A. Review
The Mohr-Coulomb shear failure criterion tells us the magnitude of shear
stress that causes shear failure on a plane where the effective normal stress
on that plane is known:
t f c s n tan f
A Mohr-Coulo
Period #22 : SHEAR STRENGTH OF SOIL III
A. Overview
We discuss the measurement of shear strength parameters of soils with Direct
Shear Tests, and Various Types of Triaxial Compression Tests
B. The Direct Shear Test
FN
FN
FR
Fl
measurement
dh
In this test,
Period #25: Compaction - I
A. What is Compaction?
In most instances in civil engineering and/or construction practice, whenever soils
are imported or excavated and reapplied, they are compacted.
The terms compaction and consolidation may sound as though t
Period #27: Compaction - II
A. Review
Compaction is a process by which loose soils are densified to remove the air voids
In reducing the void ratio of the soil, its properties are improved:
Increased shear strength
Reduced compressibility
To determine how
PERIOD #8: Fluid Seepage in Soils II
A. Measuring Hydraulic Conductivities in Soils
1. The Constant Head Test (For CoarseGrained Soils):
Upstream and downstream head elevations are
maintained at constant levels.
Thus the head difference h across the soil