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ANN based evaluation of the NOx concentration in the exhaust gas of a marine two-stroke diesel engine at

Abstract

The article presents results of a study on the possible application of artificial neural networks (ANNs) to the evaluation of NOx concentration in the exhaust gas of a marine two-stroke Diesel engine. A concept is presented how to use the ANN as an alternative to direct measurements carried out on a ship at sea. Methods of proper ANN selection, configuration and training are presented. Also included are the results of laboratory tests, performed to obtain data for ANN training and tests, and the results obtained from modelling certain processes with the aid of selected ANNs. As a result of the performed investigations, an ANN was constructed and trained to calculate NOx concentration in the Diesel engine exhaust gas based on the engine operation parameters measured with an average error of 1.83% , and the fuel consumption measured with an average error of 1.12%.

Keywords:

artificial neural network, marine two-stroke engine, NOx concentration, Annex VI to Marpol Convention

Details

Issue
Vol. 16 No. 2(60) (2009)
Section
Latest Articles
Published
30-07-2009
DOI:
https://doi.org/10.2478/v10012-008-0023-7
Licencja:
Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Open Access License

This journal provides immediate open access to its content under the Creative Commons BY 4.0 license. Authors who publish with this journal retain all copyrights and agree to the terms of the CC BY 4.0 license.

 

Authors

Jerzy Kowalski

Gdynia Maritime University, Department of Engineering Sciences

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