Then the rate of heat transfer during this condensation process becomes
= ( − ) = (6279 W/m2 ⋅°C)(15 m2 )(100− 90)°C = 941,850 W
Q hAs Tsat Ts &
(b) The rate of condensation of steam is determined from
= 0.412 kg/s
×
= =
2286 10 J/kg
941,850 J/s
condensation * 3
h fg
m Q
&
&
m
3 m
90°C
1 atm
Steam
5 m