fundamentals of engineering supplied-reference handbook - Ventech!

Balancing Equipment
The figure below shows a schematic representation of a
tire/wheel balancing machine.
Ignoring the weight of the tire and its reactions at 1 and 2,
2 2
F1x + F2x + mARAxω + mBRBxω = 0
2 2
F + F + m R ω + m R ω =
1y 2y A Ay B By 0
1x 1+ 2x 2 + B
2
Bxω B = 0
1y 1+ 2y 2 + B
2
Byω B = 0
F l F l m R l
F l F l m R l
m R
B Bx
m R
B By
F l + F l
=
1x1 2x2 2
lBω
F l + F l
=
1y 1 2y 2
2
lBω
F + F
m R m R
ω
1x 2x
A Ax =− −
2 b Bx
F + F
m R m R
ω
1y 2y
A Ay =− −
2 b By
MATERIALS AND PROCESSING
Mechanical and Thermal Properties
See MATERIALS SCIENCE section.
Thermal Processing
See MATERIALS SCIENCE section.
Testing
See MECHANICS OF MATERIALS section.
209
MECHANICAL ENGINEERING (continued)
MEASUREMENTS, INSTRUMENTATION, AND
CONTROL
Mathematical Fundamentals
See DIFFERENTIAL EQUATIONS and LAPLACE
TRANSFORMS in the MATHEMATICS section, and
the Response segment of the CONTROL SYSTEMS
section.
System Descriptions
See LAPLACE TRANSFORMS in the MATHEMATICS
section and the Response segment of the CONTROL
SYSTEMS section.
Sensors and Signal Conditioning
See the Measurements segment of the MEASUREMENT
and CONTROLS section and the Analog Filter Circuits
segment of the ELECTRICAL and COMPUTER
ENGINEERING section.
Data Collection and Processing
See the Sampling segment of the MEASUREMENT
and CONTROLS section.
Dynamic Response
See the Response segment of the CONTROL
SYSTEMS section.
THERMODYNAMICS AND ENERGY
CONVERSION PROCESSES
Ideal and Real Gases
See THERMODYNAMICS section.
Reversibility/Irreversibility
See THERMODYNAMICS section.
Thermodynamic Equilibrium
See THERMODYNAMICS section.
Psychrometrics
See additional material in THERMODYNAMICS
section.
HVAC—Pure Heating and Cooling
Q�
= m�
a
2
C = 1.
02 kJ
pm
( h − h ) = m�
C ( T − T )
1
a
� ( kg ⋅ C )
pm
2
1