Thermodynamics
FIRST LAW OF THERMODYNAMICS
= work flow out of the system (ft-lbf/hr)
W
= mass flow rate out of the system (lbm/hr)
mout
uout
= specific internal energy out of the system (Btu/lbm)
Poutnout
= pressure-specific volume energy out of the system
(ft-lbf/lbm)
= kinetic energy out the system (ft-lbf/lbm)
V2out
2gc
= potential energy out of the system (ft-lbf/lbm)
g
gc
Zout
Figure 14 First Law of Thermodynamics
Rev. 0
Page 55
HT-01
