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Control Development for Smoke Reduction Through Inlet Manifold Air Injection During Transient Loading of Marine Diesel Engines

[+] Author Affiliations
G. Papalambrou, N. P. Kyrtatos

National Technical University of Athens, Athens, Greece

Paper No. ICEF2009-14052, pp. 317-325; 9 pages
doi:10.1115/ICEF2009-14052
From:
  • ASME 2009 Internal Combustion Engine Division Fall Technical Conference
  • ASME 2009 Internal Combustion Engine Division Fall Technical Conference
  • Lucerne, Switzerland, September 27–30, 2009
  • Conference Sponsors: Internal Combustion Engine Division
  • ISBN: 978-0-7918-4363-5 | eISBN: 978-0-7918-3858-7
  • Copyright © 2009 by ASME

abstract

This paper addresses the reduction of smoke emissions and improvement of load acceptance in a turbocharged marine diesel engine, during transient operation involving rapid load increases. Model Predictive Control (MPC) provided the optimal quantity of injected air in the engine while minimizing smoke density (opacity), with constraint not to exceed a limit in intake manifold pressure, in order to avoid surge in the compressor. System identification methods were used to determine control models at various operating points of the engine. Transient response experiments were performed on a full-scale marine diesel test engine on a transient test bed, using real-time MPC configuration. Results comparing the opacity under air injection model predictive control with the standard engine operation without air injection, during the same transient, show reduction in opacity level while avoiding surge.

Copyright © 2009 by ASME

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