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Thermodynamics I - Properties of Pure Substances
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https://www.youtube.com/watch?v=BLRqpJN9zeA
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pvuh
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kPa 14.70satP
/kg)(m 100360.1 33fv
mv f
)m(0.0518 3
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C9.138 satT
/kg)(m 5243.0 3gv
mvg
)kg(0.1144m
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/kg)(m 694.1 3gv
/kg)(m 100432.1 33fvmv fg
2.0)100432.1694.1( 3
3m 3386.0
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(kJ/kg) 0.2258fghfgmhQ
2.00.2258 Q
kJ 6.451Q
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liquidvaportotal
fliquidliquid vm
gvaporvapor vm
fliquidgvaportotal vmvm
total
fliquid
total
gvapor
total
total
m
vm
m
vm
m
total
vapor
m
mx fgfavg vvxvv
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total
vapor
m
mx
0x 10 x 1x
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0x
fgfavg vvxvv
1x
fgfavg uuxuu
fgfavg hhxhh
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/kg)(m 734.137 3gv
/kg)(m 100001.1 33fv fgfavg vvxvv
33 100001.1734.1374.0100001.1 avgv
/kg)(m 098.55 3avgv
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v(T, p) ≈ vf(T)u(T, p) ≈ uf(T)
h(T, p) ≈ hf(T) + vf(T)[p – psat(T)]
h(T, p) ≈ hf(T)
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39.390.17783
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