Introduction to Fluid Mechanics
CE 3410-001
Lecture: 09*
Date: March 28, 2017
Tentative Topics (Chapter: 8)
Dimensional Analysis & Similitude
The identification of dimensionless groups that provide correspondence between
model and prototype data is carrie

Introduction to Fluid Mechanics
CE 3410-001
Lecture: 02
Date: January 17, 2017
Tentative Topics (Fluid Statics: 3.1-3.4)
1. Pressure
Definition
i. Pressure is defined as the ratio of normal force to area at a
point.
ii. Pressure acts normal to the surfac

Introduction to Fluid Mechanics
CE 3410-001
Lecture: 05*
Date: January 31, 2017
Tentative Topics (Chapter: 4)
1. Bernoulli Equation along a streamline
a. Assumptions
i. Steady flow
ii. Inviscid
iii. Incompressible
b. Applied at points along a streamline/p

Fluids Exam 3 Concept questions
Chapter 7:
The meaning of terms in the energy equation.
*v^2-Kinetic energy
gz- Potential energy
i=Internal energy
What is and how is it calculated?
It is the kinetic energy flux coefficient
Alpha= Integral of u^3dA/v^3*A

Chapter 4:
What is a streamline?
A line through the flow where the local velocity is tangent to the line at every point
What are different components of accelerations?
Local acceleration= dv/dt, Convective acceleration= v*dv/ds, centripetal acceleration=v

Fluid Mechanics Exam 1 Study Guide
Chapters 1 & 2:
Difference between solid and fluid from fluid mechanics point of view.
A fluid cannot resist a shear force
What does viscosity represent?
It represents the ease of flow of the fluid
Effect of temperature

CE 3410
Introductory Fluid Mechanics
50 Minute exam
I have neither given nor received aid on this exam
Name: 55414 le 30 5; [IOM
Signature:
Answer Requirements:
Answer all 3 questions. All questions are of equal value
Draw large, clear diagrams where appr

CE 3410
Introductory Fluid Mechanics
50 Minute exam
I have neither given nor received aid on this exam
Name:
Signature:
Answer Requirements:
Answer all 3 questions. All questions are of equal value
Draw large, clear diagrams where appropriate
All

1.
A person is skiing down a hill with a slope of 20 o. The skis have a total area of 0.5 m2 and the person has a mass of
70 kg. Assume that the only resistance to motion is the shear stress acting on the skis and that there is a 1 mm layer
of water betwe

Chapters 1 & 2:
Difference between solid and fluid from fluid mechanics point of view.
A fluid is defined as a substance that deforms continuously under the action of a shear stress, however
small magnitude present. It means that a fluid deforms under ver

Introduction to Fluid Mechanics
CE 3410-001
Lecture: 01
Date: January 12, 2017
Tentative Topics (Introduction & Fluid Properties)
1. General Discussion
Introduction
Syllabus
2. Introduction to Fluids
Fluid: A fluid is defined as a substance that deform

4.17: PROBLEM DEFINITION
Situation:
A path line is given with velocity as a function of distance and time.
V = 32t1/2, 7 = 0.5m.
s = 2m, 75 = 0.5g.
Find:
Acceleration along and normal to pathline (In/s2).
Apply Eq. 4.5 for acceleration along pathline.
Equ

Introduction to Fluid Mechanics
CE 3410-001
Lecture: 07*
Date: February 28, 2017
Tentative Topics (Chapter: 5)
Momentum Conservation
Sum of all external forces acting on Control Volume = Time rate of change
of linear momentum inside CV + Net flow rate of

Introduction to Fluid Mechanics
CE 3410-001
Lecture: 05*
Date: January 31, 2017
Tentative Topics (Chapter: 4)
1. Bernoulli Equation along a streamline
a. Assumptions
i. Steady flow
ii. Inviscid
iii. Incompressible
b. Applied at points along a streamline/p

Introduction to Fluid Mechanics
CE 3410-001
Lecture: 04*
Date: January 26, 2017
Tentative Topics (Chapter: 4)
1. Streamlines, Pathlines, Streaklines
The streamline is defined as a line drawn through the flow field in such a
manner that the local velocity

Introduction to Fluid Mechanics
CE 3410-001
Lecture: 03
Date: January 19, 2017
Tentative Topics (Fluid Statics: 3.4-3.6)
1. Forces on Plane Surfaces
A description of the pressure at all points along a surface is called a
pressure distribution.
The resul

Introduction to Fluid Mechanics
CE 3410-001
Lecture: 08*
Date: March 7, 2017
Tentative Topics (Chapter: 7)
Energy Equation
Net rate of thermal energy into the system +
Net rate at which work is done on system
=Rate of change of energy of the matter within

l
1
' 3.10: PROBLEM DEFINITION
Air above a long tube is pressurized.
Initial state: paid 2 50 kPavacuum
Final state: pairg '= 25 kPavacuum.
Air space
F'd . ' Flnwj J'JVa .
A:
Will It increase or decrease?
The change in water column height (

2.7 Natural gas is stored in a spherical tank at a temperature of
10C. At a given initial time, the pressure in the tank is 100 kPa
gage, and the atmospheric pressure is 100 kPa ab solute. Some time
later, aer considerably more gas is pumped into the tank

Introduction to Fluid Mechanics
CE 3410-001
Lecture: 03
Date: January 19, 2017
Tentative Topics (Fluid Statics: 3.4-3.6)
1. Forces on Plane Surfaces
A description of the pressure at all points along a surface is called a
pressure distribution.
The resul

Chapters 1 & 2:
Difference between solid and fluid from fluid mechanics point of view.
What does viscosity represent?
Effect of temperature and pressure on density and viscosity of fluid.
The concept of continuum in fluid mechanics.
Difference between gag

Chapter 15:
Uniform and non-uniform flow in open channels.
What are subcritical, supercritical, and critical flows based on Froude number and E-Y
diagram?
What are mild slope, steep slope, and critical slope?
What is the best hydraulic or most efficient s

Chapter 10:
How does friction loss vary with pipe diameter and velocity?
What are components of headloss?
What are some of the minor losses in the pipe system?
What is physical difference between laminar and turbulent flow?
Which type of flow is more cond

4.19: PROBLEM DEFINITION
Situation:
Flow occurs in a tapered passage. The velocity is given as
V = 5m/s — 2.25%111/8, BV/Bs = +28_1, t0 = 0.5 s.
Find:
(a) local acceleration at section AA 52).
(b) Convective acceleration at section AA (111/ s2).
a) Local

5.8: PROBLEM DEFINITION
Situation:
A pipe carries air.
V = 20 m/s, D = 0.08m.
Find:
Mass ﬂow rate (kg/ m3).
Properties:
Air (20°C, 200 kPa) Table A.2: R = 287 J/ kg K.
1. Use Ideal Gas Law to ﬁnd density.
2. Use Mass Flow Rate equation to ﬁnd m.
1. Idea

CE 3410: Introduction to Fluid Mechanics
Homework Problems: Chapter: 10
Suggested Problems: 10.8, 10.11, 10.20, 10.38, 10.45, 10.53, 10.55, 10.58, 10.63,
10.79, 10.83
1.
2.
3.
4.
Water at 20 oC is flowing steadily in a 5 cm diameter steel pipe at a flow r

CE 3410: Introduction to Fluid Mechanics
Homework Problems: Chapter: 8
8.5, 8.17, 8.23, 8.33, 8.35, 8.43, 8.58, and 8.72
1.
Derive an expression for the flow rate per unit width, q over the spillway as shown in the
figure below. Assume the depth of water

CE 3410: Introduction to Fluid Mechanics
Homework Problems: Chapter: 6
Suggested Problems: 6.1, 6.2, 6.3, 6.11, 6.15, 6.20, 6.29, 6.30, 6.45,
and 6.70
1. Find the force required (a) when the plate is stationary and (b) when the plate is moving at
5 m/s un

CE 3410: Introduction to Fluid Mechanics
Homework Problems: Chapter: 7
Suggested Problems: 7.9, 7.21, 7.32, 7.33, 7.38, 7.42, 7.45, 7.51,
7.53, 7.75, and 7.80
1. Find the discharge through a 1 cm diameter nozzle at point E. If the diameter of pipe BD
is 2