LIFETIME Final Presentation - Laboratory of Marine Engineering
LIFETIME Final Presentation - Laboratory of Marine Engineering
LIFETIME Final Presentation - Laboratory of Marine Engineering
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Model-based vs. correlational methods <strong>of</strong> NOx estimation<br />
MAN B&W NOx function vs. NTUA model-based NOx estimation (4T50MX<br />
engine)<br />
NOx emission (gr/kWh)<br />
NOx emission (gr/kWh)<br />
2516<br />
14<br />
20<br />
12<br />
NOx Emission (gr/kWh)<br />
15<br />
10<br />
8<br />
10<br />
6<br />
4<br />
5<br />
2<br />
0 0<br />
30<br />
(*)<br />
25<br />
20<br />
15<br />
MAN B&W<br />
MAN B&W (Measured) NTUA<br />
10<br />
NTUA (Calculated)<br />
MAN B&W (Measured)<br />
5<br />
MAN B&W (Calculated)<br />
NTUA (Calculated)<br />
MAN B&W (Calculated)<br />
0<br />
40% 60% 80% 100% 120%<br />
T02030 T02040<br />
(Pmax=161.5bar,<br />
(Pmax=105bar,<br />
Pcomp=136.7)<br />
Pcomp=85)<br />
T02031 T02041<br />
(Pmax=149.4bar,<br />
(Pmax=95bar,<br />
Pcomp=135.7)<br />
Pcomp=85)<br />
Engine Load (%)<br />
T02032 T02042<br />
(Pmax=136.2.5bar,<br />
(Pmax=85bar,<br />
Pcomp=135.9)<br />
Pcomp=85)<br />
T02043 T02033<br />
(Pmax=161.9bar,<br />
(Pmax=105bar,<br />
Pcomp=127.1)<br />
Pcomp=75)<br />
T02046 T02036<br />
(Pmax=159.8bar,<br />
(Pmax=105bar,<br />
Pcomp=115.4)<br />
Pcomp=65)<br />
Baseline<br />
Load 50% 75%<br />
(Load 100%)<br />
Athens, October 8, 2003<br />
<strong>Final</strong> <strong>Presentation</strong>
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