Man B&W S50ME-B9.3-TII Project Manual page 51

MAN B&W
Diagram b
The reductions, see diagram b, in g/kWh compared to
SFOC in L :
1
Part load points
1 100% M
2 80% M
3 50% M
Fig. 2.10.01: Example of SFOC for derated 6S50ME-B9.3 with fixed pitch propeller and high efficiency turbocharger
MAN B&W S50ME-B9.3-TII
=0.20
SFOC SFOC
g/kWh g/kWh
-1.6 166.4
-4.4 163.6
-1.6 166.4
=0.15
=0.25 =0.30
Nominal propeller curve
75% 80%
SFOC
g/kWh
+6
+5
+4
+3
+2
+1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
30% 40%
MAN Diesel
M
85% 90% 95% 100%
95%
Diagram a
Part Load SFOC curve
Nominal SFOC
50% 60% 70% 80% 90%
2.10
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Power, % of L
1
100%
90% 90%
80%
70%
60%
50%
40%
105%
Speed, % of L
1
178 65 00-5.0
SFOC
g/kWh
170
168
165
160
100% 110%
% of specified MCR
178 65 03-0.0
198 87 82-5.0