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Ausgabe 2025, korrigiert November 2025
No full textDie Vorgängerversion wurde aus redaktionellen Gründen zurückgezogen. Das Dokument wurde durch die Version "Ausgabe 2025, korrigiert November 2025" ersetz
Pollutant patterns resulting from rain events in a large river – lessons learned for future monitoring
No full textBayesian-SVR model for predicting ship maneuvering trajectories in deep and shallow water condition
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The Delta Transport Processes Laboratory: a novel laboratory for surface wave-induced currents under rotation
No full textMarine pollution is a major global environmental problem. The transport and dispersion of marine pollution is driven by a wide range of hydrodynamic processes, including wave-induced currents (e.g., Stokes drift) that are generated by free-surface and internal gravity waves in density-stratified fluids. While the (Lagrangian-mean) Stokes drift is known to fundamentally change transport patterns, wave-induced Eulerian-mean currents, such as those generated in the presence of the Coriolis force due to the Earth's rotation, are generally less well understood. To address this, the Delta Transport Processes Laboratory (DTP-Lab), a multi-purpose lab with novel facilities and state-of-the-art equipment, is being constructed in the Hydraulic Engineering Laboratory at TU Delft. The DTP-Lab combines multiple components: a 4.40-m diameter turntable, which can support a (removable) 5-m long flume; a 12.7-m long stainless steel flume; a piston-type, wet-back, force-controlled surface wave generator; a pumping system to create any type of density stratification; and a 3D Particle Tracking Velocimetry (PTV) system. The design and construction of these components along with technical validation and performance tests are presented in this technical note. A scaling analysis demonstrates the suitability of the laboratory to investigate wave-induced current under rotation. The DTP-Lab will pioneer the combined experimental study of surface waves, density stratification and Coriolis forces. The DTP-Lab is presented here with the objective of giving practical information to future users and to describe its novelty and range of applications
Local hydrodynamics effects in narrow and shallow channels. Its importance in design and training
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