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Sara Dionísio António, Jebbe van der Werf, Erik Horstman, Iván Cáceres, José Alsina, Joep van der Zanden and Suzanne Hulscher
This paper presents new data from large-scale wave flume experiments. It shows the beach profile evolution and sediment transport for two different bed slopes (1:15 and 1:25), and three irregular high-energy erosive wave conditions and one low-energy acc...
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Bernard Porterie, Yannick Pizzo, Maxime Mense, Nicolas Sardoy, Julien Louiche, Nina Dizet, Timothé Porterie and Priscilla Pouschat
This study provides confidence in the application of the zone model to describe fire growth and smoke transport in compartments where complex and multiple fuels are involved.
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Jolien Vervloet, Tine Tysmans, Michael El Kadi, Matthias De Munck, Panagiotis Kapsalis, Petra Van Itterbeeck, Jan Wastiels and Danny Van Hemelrijck
Sandwich panels with textile-reinforced cement (TRC) faces merge both structural and insulating performance into one lightweight construction element. To design with sandwich panels, predictive numerical models need to be thoroughly validated, in order t...
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Mengmeng Liu, Qingwen Zhang, Feng Fan and Shizhao Shen
A new approach for investigating snowdrifts around buildings and snow loads on building roofs based on a new facility named the ?snow?wind combined experimental facility? is proposed in this paper. First, the method proposed in this paper is convenient a...
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Sonja Eichentopf, Joep van der Zanden, Iván Cáceres and José M. Alsina
The evolution of different initial beach profiles towards the same final beach configuration is investigated based on large-scale experimental data. The same wave condition was performed three times, each time starting from a different initial profile mo...
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Fabrizio Ortolani, Giulio Dubbioso, Roberto Muscari, Salvatore Mauro and Andrea Di Mascio
The understanding of the performance of a propeller in realistic operative conditions is nowadays a key issue for improving design techniques, guaranteeing safety and continuity of operation at sea, and reducing maintenance costs. In this paper, a summar...
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Fabrizio Ortolani, Giulio Dubbioso, Roberto Muscari, Salvatore Mauro and Andrea Di Mascio
The understanding of the performance of a propeller in realistic operative conditions is nowadays a key issue for improving design techniques, guaranteeing safety and continuity of operation at sea, and reducing maintenance costs. In this paper, a summar...
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Rebekka Gieschen, Christian Schwartpaul, Jannis Landmann, Lukas Fröhling, Arndt Hildebrandt and Nils Goseberg
The rapid growth of marine aquaculture around the world accentuates issues of sustainability and environmental impacts of large-scale farming systems. One potential mitigation strategy is to relocate to more energetic offshore locations. However, researc...
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Dea Cardenas-Rojas, Edgar Mendoza, Mireille Escudero and Manuel Verduzco-Zapata
Artificial reefs have proven to be an optimal and effective solution in stabilizing coastlines around the world. They are submerged structures that imitate the protection service provided by natural reefs accomplishing the functions of dissipating wave e...
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Zhou Fang, Xiaoyong Wang, Liang Zhang and Bo Jiang
Currently, deep learning is extensively utilized for ship target detection; however, achieving accurate and real-time detection of multi-scale targets remains a significant challenge. Considering the diverse scenes, varied scales, and complex backgrounds...
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Martin Alejandro Gonzalez Jimenez, Andriarimina Daniel Rakotonirina, Bruno Sainte-Rose and David James Cox
The Ocean Cleanup introduces a Digital Twin (DT) describing the cleanup systems made of netting to extract marine litter from our oceans. It consists of two wings forming a ?U-shape? and a retention zone. During operation, the system is towed and drag-dr...
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Reyana Islam and Yoshiki Nishi
Increasing plastic fragments (PFs) in the environment have attracted considerable social and academic attention. Several methods have been proposed to mitigate plastic pollution, such as filtration and degradation. This study focuses on the removal of pl...
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Yasutaka Tanaka, Taro Uchida, Hitoshi Nagai and Hikaru Todate
Soil pipes are commonly found in landslide scarps, and it has been suggested that build-up of pore water pressure due to clogged soil pipes influences landslide initiation. Several researchers have also suggested that entrapped air in the soil layer incr...
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Ildikó Fekete-Kertész, Mónika Molnár, Ágota Atkári, Katalin Gruiz, Éva Fenyvesi
Pág. 41 - 51
In this paper we present the remediation possibilities of a trichloroethylene contaminated site of a former metalworking plant in Hungary, where high TCE concentration (150 µg/L to 35.000 µg/L) was detected in the groundwater. Lab-scale experiments were ...
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Minghao Wu, Leen De Vos, Carlos Emilio Arboleda Chavez, Vasiliki Stratigaki, Tiago Fazeres-Ferradosa, Paulo Rosa-Santos, Francisco Taveira-Pinto and Peter Troch
This paper presents a series of large-scale wave flume experiments on the scour protection damage around a monopile under combined waves and current conditions with model scales of 1:16.67 and 1:8.33. The main objective is to compare the damage data obta...
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Markus Hundshagen, Kevin Rave, Michael Mansour, Dominique Thévenin and Romuald Skoda
A hybrid two-phase flow solver is proposed, based on an Euler?Euler two-fluid model with continuous blending of a Volume-of-Fluid method when phase interfaces of coherent gas pockets are to be resolved. In a preceding study on a two-dimensional bladed re...
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Oliver Ullrich, Christian Paul Casal, Natalie Dové, Calista Fischer, Max Gassmann, Martin Daniel Gerber, Rudolf Guldener, Liliana Elisabeth Layer, Bruno Neininger, Silvia Ulrich, Marc Studer and Cora Sandra Thiel
Parabolic flights are one of the most important pillars for research, development, and applications in space. Accordingly, we developed the world?s first non-governmental parabolic flight program using Novespace?s Airbus A310 ZERO-G. Through the flexible...
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Joonas Hämäläinen, Tommi Kärkkäinen and Tuomo Rossi
Two new initialization methods for K-means clustering are proposed. Both proposals are based on applying a divide-and-conquer approach for the K-means? type of an initialization strategy. The second proposal also uses multiple lower-dimensional subspaces...
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Marta F-Pedrera Balsells, Manel Grifoll, Manuel Espino, Pablo Cerralbo and Agustín Sánchez-Arcilla
This article investigates water circulation in small-scale (~10 km2), shallow (less than 4 m) and micro-tidal estuaries. The research characterizes the hydrodynamic wind response in these domains using field data from Fangar Bay (Ebro Delta) jointly with...
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Mingyang Zhang, Lifeng Zhang and Bin Zhang
A four-dimensional ensemble variational assimilation system for FY-3A satellite data is constructed using the Proper Orthogonal Decomposition (POD)-based ensemble four-dimensional variational (4DVar) assimilation method (referred to as POD-4DEnVar Satell...
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