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Thermodynamics A214 Chapter 1 Summary Notes R59,00
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  3. Stellenbosch University (SUN)
  4.  
  5. Thermodynamics 214

Summary

Thermodynamics A214 Chapter 1 Summary Notes
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Handwritten summary notes with examples of chapter 1 in the Thermodynamics - An Engineering Approach Ninth Edition textbook. Includes explanations, annotations, and answered examples from the textbook.

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  • No
  • Chapter 1
  • May 9, 2021
  • 7
  • 2020/2021
  • Summary

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Chapter 1 :




4 Laws of
Thermodynamics :




Zero th Law - If 2 bodies are in thermal

equilibrium with a third ,

they will
have the same temperature
If TA =
TC
then TA =
TB
TB = To



First Law conservation of
Energy
-




{ Ein - E E out = BE = E Final -


EInni.ua ,
A T
Sum of work , sum of
one
heat ,
energy
in
energy

( measure of disorders of
second Law
Entropy
-




the universe is
always increasing .




-


Naturally things become less organise
-
Direction for processes
work decrease
putting entropy
- in can




Third Law - As the temperature approaches zero

Kelvin 1 rankin the approaches
,
entropy zero

, Units :




Units need to be and consistent
homogenous
-




throughout a
problem
of Joules
Units
Energy : J N
= =
.
m




work -
Ed = N .
m = J

Potential CK
-


mgh =
g) ( mis) ( m) = N -
on = J
-
N

'
N
dhg ) ( J
m
Kinetic -
42mi = mis ) = .
=




Heat -
J = 9 ,
486 × 10-4 Btu

and control volumes :
Systems
system Quantity of matter or a
region
in
-




space chosen for
study
Enclosed
-




by a
boundary
of systems
Types :




open Mass ✓←
crossing boundary
-




-




Energy v


Closed - Mass ×

V
-




Energy
Isolated - Mass ×


Energy ×
-

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