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ISSN 2083-6473
ISSN 2083-6481 (electronic version)
 

 

 

Editor-in-Chief

Associate Editor
Tomasz Neumann
 

Published by
TransNav, Faculty of Navigation
Gdynia Maritime University
3, John Paul II Avenue
81-345 Gdynia, POLAND
www http://www.transnav.eu
e-mail transnav@am.gdynia.pl
Trim Optimisation - Theory and Practice
1 FORCE Technology, Kgs. Lyngby, Denmark
ABSTRACT: Force Technology has been working intensively with trim optimisation tests for almost last 10 years. Focus has primarily been put on the possible power savings and exhaust gases reduction. This paper describes the trim optimisation process for a large cargo vessel. The physics behind changed propulsive power is described and the analyses in order to elaborate the optimum trimmed conditions are presented. Different methods for prediction of required power in trimmed conditions are presented and results are compared against each other. The methods with their advantages and disadvantages are discussed. On the basis of power prediction, a trim guidance with dedicated SeaTrim? software for ship master is made and presented.
REFERENCES
Lemb Larsen N., Simonsen C.D., Klimt Nielsen C., Råe Holm C. (2012), Understanding the physics of trim, 9th annual Green Ship Technology Conference,Copenhagen, Denmark
Hansen H., Freund M. (2010), Assistance Tools for Operational Fuel Efficiency, 9th International Conference on Computer and IT Applications in the Maritime Industries, COMPIT 2010, Gubio, Italy
Hansen H., Hochkirch K. (2013), Lean ECO-Assistant Production for Trim Optimisation, 11th International Conference on Computer and IT Applications in the Maritime Industries, COMPIT 2013, Cortona, Italy
Hochkirch K., Mallol B. (2013), On the Importance of Full-Scale CFD Simulations for Ships, 11th International Conference on Computer and IT Applications in the Maritime Industries, COMPIT 2013, Cortona, Italy
Citation note:
Reichel M., Minchev A., Larsen N.L.: Trim Optimisation - Theory and Practice. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 8, No. 3, doi:10.12716/1001.08.03.09, pp. 387-392, 2014

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