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Ship manoeuvring at very small and negative under keel clearance
Vantorre, M.; Delefortrie, G.; Laforce, E.; De Vlieger, H.; Claeys, S. (2004). Ship manoeuvring at very small and negative under keel clearance, in: Batlle, J. et al. (Ed.) Manoeuvring and Control of Marine Craft 2003 (MCMC 2003): proceedings from the 6th IFAC conference, Girona, Spain, 17-19 September 2003. IFAC Proceedings Series,
In: Batlle, J.; Blanke, M. (Ed.) (2004). Manoeuvring and Control of Marine Craft 2003 (MCMC 2003): proceedings from the 6th IFAC conference, Girona, Spain, 17-19 September 2003. IFAC Proceedings Series. Elsevier: Kidlington. ISBN 0-08-044033-9. 317 pp., more
In: IFAC Proceedings Series. Elsevier: Oxford. ISSN 1474-6670, more
Related to:
Vantorre, M.; Delefortrie, G.; Laforce, E.; De Vlieger, H.; Claeys, S. (2003). Ship manoeuvring at very small and negative under keel clearance, in: Batlle, J. et al. (Ed.) 6th IFAC conference on Manoeuvring and Control of Marine Craft MCMC 2003, 17-19 September 2003: preprints. pp. 55-60, more
Available in  Authors 
Document type: Conference paper
Keywords
    Controllability
    Harbours and waterways > Manoeuvring behaviour > Nautical bottom
    Linear equations
    Manoeuvrability
    Numerical calculations
    Physical modelling
    Ship control
    Under keel clearance
Authors  Top 
  • Vantorre, M., more
  • Delefortrie, G., more
  • Laforce, E., more
  • De Vlieger, H.
  • Claeys, S., more
Abstract
    A selection of results of systematic captive manoeuvring test series with a container carrier model above a solid bottom as well as above and in simulated mud layers is presented. The effect of under keel clearance - with emphasis on very small and even negative values referred to the water-mud interface - on linear manoeuvring coefficients and dynamic stability parameters is discussed. Controllability and manoeuvrability appear to be affected particularly by the influence of water depth on the lateral force due to yaw, as at very small under keel clearance the centrifugal inertia force is completely compensated by a hydrodynamic centripetal force.
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