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Modelling propeller and rudder induced forces acting on deep drafted vessels in muddy navigation areas Delefortrie, G.; Vantorre, M. (2009). Modelling propeller and rudder induced forces acting on deep drafted vessels in muddy navigation areas. J. Mar. Sci. Technol. 14(2): 171-184. https://dx.doi.org/10.1007/s00773-009-0045-6 In: Journal of Marine Science and Technology. Springer: Tokyo. ISSN 0948-4280; e-ISSN 1437-8213, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 280299 [ download pdf ] Waterbouwkundig Laboratorium: Non-open access 153600 [ aanvragen ] Waterbouwkundig Laboratorium: Overdrukjes 153590 [ aanvragen ]

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Trefwoorden

Harbours and waterways > Manoeuvring behaviour > Nautical bottom Manoeuvring Model tests Nautical bottom Numerical calculations Phase changes > Fluidization Physical modelling Sediments > Clastics > Mud Vehicles > Surface craft > Ships > Merchant ships > Container ships

Author keywords

Nautical bottom; Mud; Manoeuvring; Fluidization; Captive model testing; Container

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Auteurs		Top
Delefortrie, G., meer Vantorre, M., meer

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Abstract

To assess the navigability of deep drafted vessels in muddy navigation areas a mathematical model has been built that takes into account the characteristics of the mud layer. This was achieved with the introduction of a fluidization parameter which determines the corresponding hydrodynamically equivalent depth above a solid bottom. As a result, the under keel clearance dependency of a given mathematical manoeuvring model can be reformulated in such way that the effect of any realistic muddy condition is included. In this article the modelling of the propeller and rudder induced forces and the implementation possibilities of the model will be discussed. It is concluded that the mathematical model, initially formulated for a 6,000 TEU container carrier, provides reliable predictions of the behaviour of larger container carriers and even fuller deep drafted ships.

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