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fluid
gas
liquid
mass density,
unit volume
pressure,
p
pascal, Pa
vacuum
standard atmosphere, atm
r
hydrostatic pressure
Pascal’s principle
gauge pressure,
hydraulics
buoyant force
displaced fluid
Archimedes’ principle
average density,
neutral buoyancy
r
avg
p
g
idealfluid model
viscosity
laminar flow
streamline
flow tube
equation of continuity
volume flow rate,
Q
Bernoulli’s equation
Venturi tube
lift
Young’s modulus,
Y
tensile stress
strain
volume stress
volume strain
bulk modulus,
B
SUMMARY
The goal of Chapter 15 has been to understand macroscopic systems that flow or deform.
General Principles
Fluid Statics
Gases
•
Freely moving particles
•
Compressible
•
Pressure primarily thermal
•
Pressure is constant in a
laboratorysize container
Liquids
•
Loosely bound particles
•
Incompressible
•
Pressure primarily gravitational
•
Hydrostatic pressure at depth
d
is
p
5
p
0
1r
gd
Fluid Dynamics
Idealfluid model
•
Incompressible
•
Smooth, laminar flow
•
Nonviscous
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This note was uploaded on 09/26/2010 for the course PHYS 021 taught by Professor Dick during the Spring '08 term at GWU.
 Spring '08
 Dick
 Physics

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