9/2/2008
1
Fluid Mechanics 3502
Day 1
Syllabus
Introduction
Fluid Properties Part I
Introduction
y
Fluid Mechanics SMU
y
Four tools of fluid mechanics
Fluid Mechanics –For Civil Engineers is all about
SMU
Storing
Moving
Using
To design and manage these systems we need to know
•
The STATE of the Fluid
ll
f
CE
PRE
RE
d VELOC
TY
 Usually for CE
PRESSURE p and VELOCITY v
•
The interaction of the fluid with its surroundings (Forces)
•
Most problems in CE 3502 will involve finding  a pressure, a
velocity, or a force (energyworkpower)
We use 4 sets of tools to determine the State and Forces
e.g., Density,
Specific Weight,
Viscosity
1.
Knowing Fluid Properties
Response to shear stress
Four tools of Fluid Mechanics
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9/2/2008
2
e.g., Density,
Specific Weight,
Viscosity
1.
Knowing Fluid Properties
Response to shear stress
Four tools of Fluid Mechanics
2. Understanding Forces in Fluids and on their boundaries
e.g., Pressure force,
Surface tension
Lift & Drag
drag
e.g., Density,
Specific Weight,
Viscosity
1.
Knowing Fluid Properties
Response to shear stress
Four tools of Fluid Mechanics
2. Understanding Forces in Fluids and on their boundaries
e.g., Pressure force,
Surface tension
Lift & Drag
drag
For example,
3. Using Conservation Equations
Mass
Energy
Momentum
Review vector calculus
u(x,
t)
n
For an arbitrary fixed
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 Fall '08
 KimberlyHill
 Fluid Dynamics, Fluid Mechanics, Force, Knowing Fluid Properties, Surface tension Lift

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