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Conservation of Energy Summary
Mechanical Power - hdbk1010_139
Classical Physics - Physics theories and other related topics
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Thermal Power
heat used
time required
POWER
Energy, Work, and Power
CP-05
Page 8
Rev. 0
POWER
Power is a measure of the rate at which energy is used. Thermal power is the term
used to refer to the transfer of heat.
Mechanical power
is the term used to describe
when work is being done.
EO 1.1
DEFINE the following terms:
e.
Power
EO 1.2
STATE the mathematical
expression
for:
d.
Power
EO 1.3
For a mechanical system, CALCULATE energy, work, and
power.
Power
Power
is defined as the amount of energy used per unit time or rate of doing work. It has the units
of watt, Btu,
horsepower
, or ft-lbf/sec.
Thermal
Power
Thermal power
is the measure of thermal energy used per unit time. It is the rate of heat transfer
or heat flow rate. Examples of thermal
power units
are British Thermal Units (Btu) or kilowatts
(Kw). Thermal power is calculated basically by the mathematical
expression
of:
Thermal energy and calculations of thermal power will be covered in more detail in the Fundamentals
Manual for Heat Transfer,
Fluid Flow
, and Thermodynamics.
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