Over het archief
In 2012 verloren we Jean Jacques Peters, voormalig ingenieur van het Waterbouwkundig Laboratorium (1964 tot 1979) en internationaal expert in sedimenttransport, rivierhydraulica en -morfologie. Als eerbetoon aan hem hebben we potamology (http://www.potamology.com/) gecreëerd, een virtueel gedenkarchief dat als doel heeft om zijn manier van denken en morfologische aanpak van rivierproblemen in de wereld in stand te houden en te verspreiden.
Het merendeel van z’n werk hebben we toegankelijk gemaakt via onderstaande zoekinterface.
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| Squat formula for cape-size bulk carriers based on towing tank results and full-scale measurements Verwilligen, J.; Mansuy, M.; Vantorre, M.; Eloot, K. (2018). Squat formula for cape-size bulk carriers based on towing tank results and full-scale measurements, in: MARSIM 2018, Halifax, Canada, 12 - 16 August 2018. pp. [1-17]
In: (2018). MARSIM 2018, International Conference on Marine Simulation and Modelling, Halifax, Canada, 12 - 16 August 2018. IMSF: [s.l.]. 55 pp.
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| Documenttype: Congresbijdrage | |
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| Abstract |
The full-scale measurements focused on seven inbound cape-size bulk carriers (drafted approximately 16.5 m) to the port of Flushing/Vlissingen (NL). The voyages of this type of vessels corresponded with small under keel clearances (to a minimal value of 16%) and exposed wave conditions (with a wave height up to 2.6 m). By filtering steady and unsteady motions the motions related to squat and seakeeping were split. Furthermore, Flanders Hydraulics Research performed a comprehensive test program in the towing tank for manoeuvres in confined water, with a scale model (at scale 1/75) very similar to the ships tested at full-scale. This test program provides squat data at different ship speeds and propeller rates and for four under keel clearances varying between 10% and 100% of the ship’s draft. Based on the squat measurements in the towing tank a squat formula was developed. This formula was applied on the conditions present during the full-scale measurements in order to compare the squat behaviour to the towing tank results and between the different vessels tested at full-scale. |
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