Final Calculation; The Exhaust Gas Temperature; Exhaust Gas Data At Specified Mcr (Iso) - Man B&W S80ME-C7 Project Manual

MAN B&W Diesel A/S

Final calculation

By means of equations [4] and [5], the final result is
found taking the exhaust gas flow M
ture T from the 'List of Capacities':
L 1
M = 216,000 kg/h
L 1
18,624
M = 216,000 x
exh
23,280
1.11
(1 + ) x (1 +
100
M = 146,700 kg/h +/- 5%
exh

The exhaust gas temperature

T = 245° C
L 1
T = 245 - 8.1 - 3.0 - 8.8 - 11.7 = 213.4° C
exh
T = 213.4° C -/+15° C
exh
S80ME-C
and tempera-
L 1
-0.6
x (1 + ) x
100
5.6 80
) x = 146,716 kg/h
100 100

Exhaust gas data at specified MCR (ISO)

At specified MCR (M), the running point may be in
equations [4] and [5] considered as a service point
= 100, ∆m
where P
S% s%
For ISO ambient reference conditions where ∆M
= 0.0 and ∆T
= 0.0, the corresponding calcula-
amb
tions will be as follows:
18,624
M = 216,000 x
exh,M 23,280
-0.0
x (1 + ) x
100
M = 171,800 kg/h +/-5%
exh,M
T = 245 - 8.1 - 3.0 + 0 + 0 = 233.9° C
exh,M
T = 234° C -/+15° C
exh,M
The air consumption will be:
171,763 x 0.982 kg/h = 168,671 kg/h <=>
168,671/3,600 kg/s = 46.8 kg/s
6.04
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= 0.0 and ∆T
= 0.0.
s
-0.6
x (1 + ) x (1 +
100
100.0
= 171,763 kg/h
100
198 45 56-4.1
amb%
0.0
)
100