CIVL 3610  Traffic and Transportation Engineering ASSIGNMENT 3
Highway Capacity and Level of Service QUESTION 1 The following 12 consecutive 5min vehicle counts were taken on a highway: 60 40 55 65 85 90 100 110 140 95 65 40 (a) Plot the histogram of th
CIVL 3610  Traffic and Transportation Engineering ASSIGNMENT 2
Traffic Flow Fundamentals QUESTION 1 Assuming a linear speeddensity relationship, the mean free speed on a highway facility lane equals 55 mph near zero density, and the jam density is obser
APPLICATION I: STEADY PIPE FLOW IN SIMPLE PIPELINES
M.S. Ghidaoui (CIVL 252, Spring 2001)
Pipeline systems are used to:
1.
2. 3. 4. 5.
6.
7. 8.
Transport water from where it is available to where it is needed: water supply; seawater for flushing etc. Disp
DarcyWeisbach Friction Factors for Laminar and Turbulent Pipe Flows: Formulas and Moody Diagram
By M.S. Ghidaoui, Spring 2002 The DarcyWeisbach wall shear stress formula is as follows (See CIVL 151, Chapter on Dimensional Analysis): fV2 0 = 8 where f =f
Flow Resistance: Laminar and Turbulent Flows In Pipes & Channels
By M.S. Ghidaoui, Spring 2002 I highly recommend you watch the video cassette entitled `turbulence' which is available in the HKUST library. The call number is TA 357 F578 1990 V.26. Introdu
Differential Form of the Fundamental Laws of Hydraulics: NavierStokes Equations & their Applications
By M.S. Ghidaoui, Spring 2002
Introduction: The general form of the fundamental physical laws of fluid
mechanics/hydraulics for a control volume was prov
Fundamental Laws of Hydraulics for a Control Volume (Brief Review)
By M.S. Ghidaoui, Spring 2002
An Important Note:
This chapter is essentially a review of the material covered in CIVL 151 under the heading Reynolds Transport Theorem (RTT). Therefore, for
Hydraulics?
By M.S. Ghidaoui, Spring 2002 An appreciation for the broad nature of hydraulic engineering can be gained from reading the scope of the leading journals in the field. For example, the scope of Journal of Hydraulic Engineering, American Society
More Practice Problems Related to Open Channels CIVL 252, Spring 2002
1. Water flows in a rectangular, concrete, open channel that is 12.0 m wide at a depth of 2.5m. The channel slope is 0.0028. Find the water velocity and the flow rate.
v = (1.0 / n) R 2
HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY Department of Civil Engineering CIVL 252 Hydraulics Prof. Mohamed S. Ghidaoui Open Channel ProblemsII
1. Water flows at a depth of 1.2m in a rectangular channel 2.7m wide. Over a smooth hump 200mm high a dro
HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY Department of Civil Engineering CIVL 252 Hydraulics Prof. Mohamed S. Ghidaoui Open ChannelI
1. What is the mean shear stress over a wetted perimeter of a triangular channel flume 2.4 m deep and 3 m wide, whe
Water Hammer Problem Civil 252
1 In Fig 1 the elasticity and dimensions of the pipe are such that the celerity of the pressure ways is 3200 fps. Suppose the pipe has a length of 2000 ft and a diameter of 4 ft. The flow rate is initially 30 cfs. Water is f
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Other Losses : Minor (Local) Losses In Pipes
M.S. Ghidaoui, Spring 2002
Introduction: Minor losses are localized losses which arise whenever an adverse
pressure exists in the system. Adverse pressure is said to occur whenever the pressure downstream is l
Some Application Of DarcyWeisbach Formula In Steady Pipe FlowsII M.S. Ghidaoui (spring 2002)
In this set of problems, both frictional losses and local (minor losses) are considered. In addition, both simple and branched pipe systems are analyzed in this
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HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY Department of Civil Structural Engineering CIVL 252Hydraulics Spring of 2002 Hydraulics Lab C: Varied FlowWater Flow Profile, Velocity Profile TA:Joyce Zhang 1. Introduction The flow in an open channel is u
The Hong Kong University of Science & technology Department of Civil Engineering CIVL 252Hydraulics TA: An Kyoung Jin Laboratory B: Laminar and Turbulent Flow 1. Objectives (A) To observe laminar, transitional and turbulent flow. (B) To determine the Rey
HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY Department of Civil & Structural Engineering CIVL 252Hydraulics TA: Wong Minghoi Laboratory AFlow and Scour around a Bridge Pier Spring of 2002 Laboratory A: Flow and Scour around a Bridge Pier 1. Introduct
Solving ODE Linear First Order Equations
dy + p(t )y = g (t ) dt 1 Solution: y = (t )g (t )dt + c (t )
Form:
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p (t )dt
Linear Second Order Equations Homogeneous Equations With Real Constant Coefficients Form: a d 2y dy +b + cy = 0 2 d
Appendix: Other Surface Water Profiles
Mohamed S. Ghidaoui
2002
Horizontal Channel (HProfiles):
A 2 / 3 1/ 2 R S0 n So=0; Q finite, then yo is infinite! (i.e., uniform flow cannot be established) Q = C RS 0 or Q= yo
2 yc 3
since y 0 Flow with y > yo cann
Mild & Steep Surface Water Profiles
By Mohamed S. Ghidaoui 2002
Introduction
1. Uniform flow theory is often used to size artificial channels (e.g., sewers). 2. Uniform flow serves as the standard reference for experimental and theoretical work (e.g. stud
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Pipe Networks
M.S. Ghidaoui, Spring 2000
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There are 7 nodes in the above network: 1 ,2, 3, 4, 5, 6 and 7.
Continuity Equation at a Node:
inflows to node i = outflows from nodes i Example: Continuity at Node 1:
Node 1
Q1
Q
Q2
Q = Q1 + Q2 + Q3
Pipe Flow ProblemsIII
Example 1
A centrifugal pump has a 100 mm diameter suction pipe and a 75 mm diameter delivery pipe. When discharging 15 l/s of water, the inlet water mercury manometer with one limb exposed to the atmosphere recorded a vacuum deflec
Pipe Flow ProblemsII
Problem 1: The water distribution network shown in figure 1 lies in a horizontal
plane. The known pipe characteristics and consumptions are as given. A pump at node A supplies a pressure of 687.4kPa(70.0m of H2O) and a pressure senso
SECTION 10.3 Differential Equationsf theDeflection o Curve
635
SHEARFORCE AND BENDINGMOMENT DIAGRAMS
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Problem 10.33 A cantilever beam AB of length L has a fixed support at A and ~see figure). The support at B is moved downward through a distanc
Problem 5.5! A compound beam ABCD (see gure) is supported at
points A. B, and D and has :1 splice (represented by the pin connection)
at point C. The distance a = 6.0 ft and the beam is a W 16 X 57
wideange shape with an allowable bending stress of 10,8