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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [366001]

Hydrodynamic forces acting on a cylinder towed in muddy environments Sotelo, M.; Boucetta, D.; Van Hoydonck, W.; Doddugollu, P.; Vantorre, M.; Toorman, E.; Delefortrie, G. (2023). Hydrodynamic forces acting on a cylinder towed in muddy environments. J. Waterway Port Coast. Ocean Eng. 149(6): 04023016. https://dx.doi.org/10.1061/JWPED5.WWENG-1992 In: Journal of Waterway, Port, Coastal, and Ocean Engineering. American Society of Civil Engineers (ASCE): New York, N.Y.. ISSN 0733-950X; e-ISSN 1943-5460, meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 397222 [ aanvragen ] Waterbouwkundig Laboratorium: Open Repository 391384 [ download pdf ] Waterbouwkundig Laboratorium: Non-open access 391381 [ aanvragen ]

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Trefwoorden

Harbours and waterways > Manoeuvring behaviour > Nautical bottom Numerical calculations Physical modelling Marien/Kust

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Project	Top | Auteurs
SBO - CFD Nautische bodem, meer

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Auteurs		Top
Sotelo, M., meer Boucetta, D., meer Van Hoydonck, W., meer Doddugollu, P., meer	Vantorre, M., meer Toorman, E., meer Delefortrie, G., meer

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Abstract

The presence of natural mud in the seabed of waterways and ports has an impact on maritime traffic in many parts of the world. Previous research has shown that sailing safely through fluid mud is possible. However, the majority of these studies were experimental and model scale research, omitting many important characteristics of the natural mud to simplify the problem. The research was therefore directed toward computational fluid dynamics (CFD) models to describe the complex properties of the natural mud for nautical applications. Nonetheless, the lack of validation material makes the usage of CFD still uncertain. This work aims to contribute validation cases for numerical solvers through a series of towing tests in muddy environments with a 0.2-m-diameter cylinder. Different fluid combinations are tested, including freshwater, natural mud only, and natural mud with seawater on top. Experimental results in a single interface of natural mud are compared with CFD simulations using three different viscosity laws. Forces calculated using CFD were found to underpredict experimental measurements, indicating that more attention is needed toward describing the natural mud.

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