176 HEAT TRANSFER AND HEAT EXCHANGERS
NTU
P
1.0
0.8
1.0
9 0.9 0.6
4 0.8
k 0.4
fi 0.7 0.2
8 0.6
0.5 11-1 I I I Ill 1 111 1 1 I! 1\1\1\1 0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0
P NTU
100
80
60
8
40
7)
20
P
0
2 3 4 5
1.0
0.8
4
6
g 0.6
5
a
> .-
0.4
E
0.2
P 0
0 1 2 3 4 5
NTU
Figure IS-(continued)