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1. Concept Question 1.01.1
The definition of a fluid is:
a substance in the liquid phase.
a substance that deforms continuously under the action of a shearing stress.
Print Assignment: WP#1 :
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1. Concept Question 1.01.1
The definition of a fluid is:
a substance in the liquid phase.
a substance that deforms continuously under the action of a shearing stress.
Print Assignment: HW #3 due Mon 28 Jan :false
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Description / Instructions: See also hardcopy assignment on D2L
1. Concept Question 2.01.1
Three containers connected at the base are filled with
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1. Concept Question 4.01.1
Suppose the velocity vector V in a velocity field is given by:
This flow is:
1 dimensional, with flow in the x direction
1 dimensional, wit
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1. Concept Question 3.02.1
Consider steady flow along a streamline. If the flow satisfies the conditions necessary for the
Bernoulli equation, which of the following h
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1. Concept Question 3.04.2
Water flows without friction through a horizontal circular pipe that has area changes. The curve that best describes the static
pressure di
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1. Concept Question 2.06.1
In Minnesota, they have built a submarine. While testing at 30 feet below the surface in Lake
Minnetonka, with the sub stopped and in
CE 218 Mechanics of Fluids
Spring 2013
HOMEWORK #4
(Due 5 PM Monday 10 February)
Conceptual Problems: WP#4 from D2L
Analysis Problems:
H4.1 Determine the gage pressure at the centerline of pipe A.
H4.2 Find
Fundamentals of Fluid
Mechanics
Chapter 2: Fluid Statics
L2.2 Fluid Statics II
Holly @ 2014 CE
1
Recall Hydrostatic Pressure
Relation for Incompressible
Fluids
n
Pressure varies only in vertical direction
p2
p1
z2
dp = dz p1 p2 = ( z2 z1 )
z1
Then p1 = h
Fundamentals of Fluid
Mechanics
Chapter 2: Fluid Statics
L2.6 Buoyancy and
Archimedes Principle
Holly @ 2014 CE
1
Example 2.9
Hydrostatic Pressure Force on a Curved Surface
Holly @ 2014 CE
2
Example 2.9
Solution
Horizontal force :
FH = F1 = hc A = (62.4lb
Fundamentals of Fluid
Mechanics
Chapter 2: Fluid Statics
L2.5 Hydrostatic Force II
Holly @ 2014 CE
1. If the reading of a barometer is 1.0m of
mercury, and the specific weight of mercury is
131kN/m3, whats the atmospheric pressure?
A. 131 kPa
B. 103 kPa
C
Fundamentals of Fluid
Mechanics
Chapter 2: Fluid Statics
L2.4 Hydrostatic Force I
Holly @ 2014 CE
1
First: A Strange
Pressure Chamber
Holly @ 2014 CE
2
Why Do We Care About Hydrostatic
Forces on Surfaces?
n
n
n
Engineering design, design, design
Container
Fundamentals of Fluid
Mechanics
Chapter 2: Fluid Statics
L2.7 Pressure Variation with Rigid
Body Motion
Holly @ 2014 CE
1
Can we stretch our hydrostatics a bit
to cover some simple fluid motion
(i.e. not static)?
n
Recall we earlier went through the deriv
CE 218 Mechanics of Fluids
Spring 2013
HOMEWORK #5
(Due 5 PM Monday 17 February)
Conceptual Problems: WP#5 from D2L
Analysis Problems:
H5.1 A concave gate AB of circular shape, radius l = 1 m, is used to
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1. Concept Question 2.06.1
In Minnesota, they have built a submarine. While testing at 30 feet below the surface in Lake
Minnetonka, with the sub stopped and in
Fundamentals of Fluid
Mechanics
Chapter 1: Introduction
L1.1 - Characteristics of Fluids
Holly @ 2014 CE
Characteristics of Fluids
n
n
n
n
n
A fluid is defined as a substance that deforms
continuously when acted on by a shearing
stress of any magnitude.
F
1
CE 218 Mechanics of Fluids
Spring 2014
HOMEWORK #13
(Due 5 PM Monday 5 May 2014)
H13.1 Parameters for the three connected pipes shown are given in the table
below. The pressure drop from A to B
CE 218 Mechanics of Fluids
Spring 2014
HOMEWORK #12
(Due 5 PM Monday 28 April 2014)
Conceptual Problems: WP#12 from D2L
H12.1 Water flows in the pipe at an
average velocity of 3 m/sec, and the
manometer deflect
1
CE 218 Mechanics of Fluids
Spring 2014
HOMEWORK #11
(Due 5 PM Monday 21 April 2014)
Conceptual Problems: WP#10 from D2L
H11.1. The pressure above the water
surface in the tank is 100 kPa gage;
the water
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4/18/14, 11:17 AM
1. Concept Question 8.02.1
The dimensions of loss can be expressed in dimensions of length (L). As such, the loss is a measure of:
how far the fluid can flow without friction.
the energy gain per unit mass
Fundamentals of Fluid
Mechanics
Chapter 1: Introduction
L1.3 - Characteristics of Fluids
Holly @ 2014 CE
1
Fluid Compressibility
n
How does the density (or volume) of a fluid change
in response to a change in pressure?
n
Liquids are not very compressible
Fundamentals of Fluid
Mechanics
Chapter 1: Introduction
L1.3 - Characteristics of Fluids
Holly @ 2014 CE
1
Fluid Compressibility
n
How does the density (or volume) of a fluid change
in response to a change in pressure?
n
Liquids are not very compressible
Fundamentals of Fluid
Mechanics
Chapter 1: Introduction
L1.2: Fluid Properties
Holly @ 2014 CE
Measures of Fluid Mass and Weight
Density ()
1.Mass per unit volume (slugs/ft3; kg/m3)
2.Fluid density changes with temperature and
pressure especially for gas