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Squat during ship-to-ship interactions in shallow water
Eloot, K.; Vantorre, M.; Verwilligen, J.; Prins, H.; Hasselaar, T.W.F.; Mesuere, M. (2011). Squat during ship-to-ship interactions in shallow water, in: Pettersen, B. et al. (Ed.) 2nd International Conference on Ship Manoeuvring in Shallow and Confined Water: Ship to Ship Interaction, May 18 - 20, 2011, Trondheim, Norway. pp. 117-126
In: Pettersen, B. et al. (Ed.) (2011). 2nd International Conference on Ship Manoeuvring in Shallow and Confined Water: Ship to Ship Interaction, May 18 - 20, 2011, Trondheim, Norway. Flanders Hydraulics Research/Ghent University/Norwegian Marine Technology Research Institute/Norwegian University of Science and Technology (NTNU)/The Royal Institute of Naval Architects: London. ISBN 978-1-905040-83-4. X, 422 pp., more

Available in Authors 
Document type: Conference paper

Keyword
    Shallow water
Author keywords
    Squat; Ship-to-ship interactions; schip-tot-schip interacties

Authors  Top 
  • Prins, H.
  • Hasselaar, T.W.F.
  • Mesuere, M., more

Abstract
    Ships navigating in a channel for two way traffic will suffer hydrodynamic effects due to the presence of other shipping traffic. As squat is an important issue for ships navigating with limited under keel clearance the sinkage and trim induced by ship-to-ship interactions can be of high importance. In order to investigate the influence of two ships sailing on parallel courses at different speeds a comprehensive captive model test program was carried out. A large number of parameters including ship type, ship dimensions, draft, water depth, lateral distance and speed were studied.
    Apart from model tests two other methods were used to study squat induced by ship-to-ship interactions. The first method implies a RANSE-calculation of two container ships meeting in a channel with a lateral distance equal to a ship beam. The second method concerns a RTK measurement of ultra large container ships on the Western Scheldt meeting each other.

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