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Thermodynamics A214 Chapter 2 Summary Notes R59,00
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  3. Stellenbosch University (SUN)
  4.  
  5. Thermodynamics 214

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Thermodynamics A214 Chapter 2 Summary Notes
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Handwritten summary notes with examples of chapter 2 in the Thermodynamics - An Engineering Approach Ninth Edition textbook. Includes explanations, annotations, and answered examples from the textbook.

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  • No
  • Chapter 2
  • May 9, 2021
  • 8
  • 2020/2021
  • Summary

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Chapter 2 :
Energy
Forms of
Energy
:




kinetic : Total KE =
42mV ' LKJ ]
Specific the = 42th LKJIKGJ
Power IIE =
Hanif LKW ]


potential : Total pE= mgh LKJ ]
specific pe =
gh LKJIKGJ
Power IE LKWJ
=
nigh
Internal : Total V LKJJ
or molecular specific U [ KJIKG]
sensible is
power LKWJ
later

Flow Work: Total bprfeswsuipyyvdome
=p xAxL LKJJ
specific fw =P LKJIKG)
Power F⇐densiey
Ew=pj LKW]


Flow work A pressure force fluid
" "



pushing
-
a



through a distance in an open system

E= + PE1-1LE t FW

,In an open system we
might have a
massflowraee-cn.nl
or a
watch Cli ) that we need to be

able to calculate
density
-




cross sectional


Mass flow rate in =p v. = } v A
← area



+
velocity
mass flow
Flow Role I nice
Energy
=

←
= specific energy
Power LKW]


Mechanical The form of that
Energy energy
- can


be converted into work done

machine
by a



- ④ ⑤ *


Change in specific Demean =
42C VE -
vi ) tglhs-h.lt PaI
Mechanical
Energy p

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