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 />
NOx emissions estimation<br />
The NOx emissions measured during the performance and emission tests on the 4T50MX test<br />
engine in Copenhagen by MAN B&W have been predicted using two methods, by MAN B&W and<br />
NTUA.<br />
• MAN B&W correlation function (engine-specific)<br />
An engine-specific formula (correlation) which associates measured operational<br />
parameters in the form <strong>of</strong> a NOx prediction function<br />
• NTUA thermodynamic s<strong>of</strong>tware (model-based)<br />
The MOTHER simulation code and the multizone combustion model which calculate the<br />
NOx emissions in several loading and operational conditions.<br />
Athens, October 8, 2003<br />
<strong>Final</strong> <strong>Presentation</strong>
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