Environmental Engineering Reference
In-Depth Information
1600
Over
temperature
zone
ξ
= 0.1
α
= 0.95
ξ
< 0.9
m
1400
Heat exchanger limit
h
1200
1000
800
600
400
200
Blowoff zone
0
1
2
3
4
5
6
Gas recirculation ratio, R ( m / m )
rec
in
FIGURE 2.29
Contour map of the maximum combustion gas temperature of the
model furnace affected by gas recirculation and heat recirculation.
1600
Heat
attack
zone
ξ
= 0.1
m
1400
1200
1000
800
600
400
200
Blowoff zone
0
1
2
3
4
5
6
Gas recirculation ratio, R ( m / m )
rec
in
FIGURE 2.30
Contour map of the combustion gas temperature difference affected by gas
recirculation and heat recirculation.
Search WWH ::
Custom Search