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Dissertation
Preliminary stages and studies for the development of a 3D aquifer physical model
Authors: --- --- ---
Year: 2019 Publisher: Liège Université de Liège (ULiège)

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Groundwater issues are among the most important sustainability studies related to topics considered as critical point for the future of planet Earth (Gleeson et al., 2010) in the perspective of a sustainable world. Analyses are focused on two complementary aspects: quantity and quality. Thus, once physical behaviour is analysed, it is coupled with chemical characterisation studies, in order to obtain a better view of an investigated site. The work of this Master thesis begins with a brief overview of the literature which summarizes the challenges of teaching hydrogeology by theoretical lessons coupled with practical activities. The focus is on laboratory experiments implemented on physical models. In fact, to fully understand the process of groundwater flow and solute transport, and to demonstrate the basics fundamental concepts behind, it is important to visualize them in a lab-scale. This thesis is undertaken in the context of the installation of a 3D physical model at the University of Liège as a support to teaching and research works: dimension, set up, construction and support devices used for system optimal functioning are presented. The global aim of the work is to prepare everything needed to set up the sand tank. This is a fundamental step in order to be able to pre-dimension real experiments, to give ideas about the magnitude order of the expected results and to check the reliability of mathematical results and/or low-dimensionality models. Part of the document is centred on the characterization of porous aquifer materials to implement in the physical model, in particular through sand column one-dimensional lab experiments performed on four distinguished types of quartz sands (differentiated by the particles size): in particular a Constant Head Permeability Test and a Salt Tracer Test (KCl). A numerical model of the 3D tank is also developed by the use of GMS-MODFLOW-MT3DS and few experiments are simulated (gradient variation, pumping test at different pumping rates, and tracer test).


Book
Selected Papers from Coastlab18 Conference
Authors: ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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This book presents 16 selected papers from the 7th International Conference on The Application of Physical Modelling in Coastal and Port Engineering and Science, Coastlab18. The conference was organized in Santander, Spain, from 22 to 26 May, 2018, by the Instituto de Hidráulica Ambiental de la Universidad de Cantabria, IHCantabria. Coastlab18 welcomed 175 attendees from 18 different countries. The technical program included three renowned keynote lectures and 120 presentations focused on theoretical and practical aspects related to physical modelling in the field of coastal and ocean engineering. Coastal and ocean structures, breakwaters, revetments, laboratory technologies, measurement systems, coastal field measurement and monitoring, combined physical and numerical modelling, physical modelling case studies, tsunamis, and coastal hydrodynamics were the main topics covered in the conference. This book attempts to cover, as completely as possible, all the topics presented during the conference. The papers were accepted after a peer-review process based on their full text.

Keywords

History of engineering & technology --- hydraulic stability --- breaking wave conditions --- low-crested structures --- mound breakwaters --- armor layer --- overtopping --- dikes --- sea defenses --- bimodal seas --- swell --- oblique waves --- crossing seas --- wave basin --- mound breakwater --- armor stability --- Cubipod® --- breaking waves --- non-overtopping --- horizontal foreshore --- regular waves --- Stepped revetment --- wave impact --- physical model test --- rock slopes --- damage characterization --- damage parameters --- physical model tests --- linear waves --- nonlinear waves --- wavemaker theory --- wavemaker applicability --- outdoor wave basin --- long-term development --- vegetation development --- ecosystem services --- nature-based --- vertical barrier --- semi-submerged --- wind waves --- experiments --- laboratory --- operational system --- wave forecast --- wave modelling --- Mediterranean Sea --- monitoring program --- beach management --- bichromatic waves --- reflection separation --- bound waves --- stability --- erosion --- sea level rise --- repetition tests --- berm --- wave flume --- length effect --- aquaculture --- drag --- inertia --- Abbott-Firestone Curve --- laboratory tests --- physical model experiments --- scouring --- shingle foreshore --- sloping wall --- combined field experiment and numerical modeling --- overwash --- wave run-up --- infragravity waves --- XBeach --- coastal flooding --- dune erosion --- landslide waves --- tsunamis --- laboratory experiments --- momentum balance --- numerical wave modeling --- vertical cylinder --- DNS model --- pressure gradient --- wave force --- scour and shear stress --- hydraulic stability --- breaking wave conditions --- low-crested structures --- mound breakwaters --- armor layer --- overtopping --- dikes --- sea defenses --- bimodal seas --- swell --- oblique waves --- crossing seas --- wave basin --- mound breakwater --- armor stability --- Cubipod® --- breaking waves --- non-overtopping --- horizontal foreshore --- regular waves --- Stepped revetment --- wave impact --- physical model test --- rock slopes --- damage characterization --- damage parameters --- physical model tests --- linear waves --- nonlinear waves --- wavemaker theory --- wavemaker applicability --- outdoor wave basin --- long-term development --- vegetation development --- ecosystem services --- nature-based --- vertical barrier --- semi-submerged --- wind waves --- experiments --- laboratory --- operational system --- wave forecast --- wave modelling --- Mediterranean Sea --- monitoring program --- beach management --- bichromatic waves --- reflection separation --- bound waves --- stability --- erosion --- sea level rise --- repetition tests --- berm --- wave flume --- length effect --- aquaculture --- drag --- inertia --- Abbott-Firestone Curve --- laboratory tests --- physical model experiments --- scouring --- shingle foreshore --- sloping wall --- combined field experiment and numerical modeling --- overwash --- wave run-up --- infragravity waves --- XBeach --- coastal flooding --- dune erosion --- landslide waves --- tsunamis --- laboratory experiments --- momentum balance --- numerical wave modeling --- vertical cylinder --- DNS model --- pressure gradient --- wave force --- scour and shear stress


Book
Environmental Hydraulics, Turbulence and Sediment Transport
Author:
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

In the research on environmental hydraulics, its turbulence, and its sediment transport, constant challenges have been faced. The complexity of hydraulic impacts on sediment transport and turbulent flow properties makes research in this area a difficult task. However, due to pressure from climate change and the mounting issue of pollution, environmental flow studies are more crucial than ever. Bedforming within rivers is a complex process that can be influenced by the hydraulics, vegetated field, and various suspended and bedload transports. Changes in flow conditions due to rain and flood can further complicate a hydraulic system. To date, the turbulence, morphologic, and bedforming characteristics of natural environmental flows are still not well understood. This book aims to bring together a collection of state-of-the-art research and technologies to form a useful guide for the related research and engineering communities. It may be useful for authorities, researchers, and environmental, civil, and water engineers to understand the current state-of-the-art practices in environmental flow modelling, measurement, and management. It may also be a good resource for research, post-, or undergraduate students who wish to know about the most up-to-date knowledge in this field.

Keywords

Technology: general issues --- History of engineering & technology --- ADV --- bed-mounted horizontal cylinder --- gravel-bed --- sand-bed --- turbulence --- wake region --- floating structure --- hydrodynamic moment --- finite flowing water --- physical model tests --- statistical diagnosis --- bridge pier --- flat and eroded bed --- flow field --- velocity profile measurements --- wave --- current --- sediment --- maintenance dredging --- Nagan Raya --- unsaturated soil --- stability --- consolidation --- self-preservation in wall-wake --- circular pipe --- velocity deficit --- RSS deficit --- turbulence intensities deficit --- third-order correlations --- suspended sediment concentration --- dilute-hyper concentration --- Rouse number --- velocity lag --- bursting phenomena --- ADV --- bed-mounted horizontal cylinder --- gravel-bed --- sand-bed --- turbulence --- wake region --- floating structure --- hydrodynamic moment --- finite flowing water --- physical model tests --- statistical diagnosis --- bridge pier --- flat and eroded bed --- flow field --- velocity profile measurements --- wave --- current --- sediment --- maintenance dredging --- Nagan Raya --- unsaturated soil --- stability --- consolidation --- self-preservation in wall-wake --- circular pipe --- velocity deficit --- RSS deficit --- turbulence intensities deficit --- third-order correlations --- suspended sediment concentration --- dilute-hyper concentration --- Rouse number --- velocity lag --- bursting phenomena


Book
Environmental Hydraulics, Turbulence and Sediment Transport
Author:
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

In the research on environmental hydraulics, its turbulence, and its sediment transport, constant challenges have been faced. The complexity of hydraulic impacts on sediment transport and turbulent flow properties makes research in this area a difficult task. However, due to pressure from climate change and the mounting issue of pollution, environmental flow studies are more crucial than ever. Bedforming within rivers is a complex process that can be influenced by the hydraulics, vegetated field, and various suspended and bedload transports. Changes in flow conditions due to rain and flood can further complicate a hydraulic system. To date, the turbulence, morphologic, and bedforming characteristics of natural environmental flows are still not well understood. This book aims to bring together a collection of state-of-the-art research and technologies to form a useful guide for the related research and engineering communities. It may be useful for authorities, researchers, and environmental, civil, and water engineers to understand the current state-of-the-art practices in environmental flow modelling, measurement, and management. It may also be a good resource for research, post-, or undergraduate students who wish to know about the most up-to-date knowledge in this field.


Book
Selected Papers from Coastlab18 Conference
Authors: ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

This book presents 16 selected papers from the 7th International Conference on The Application of Physical Modelling in Coastal and Port Engineering and Science, Coastlab18. The conference was organized in Santander, Spain, from 22 to 26 May, 2018, by the Instituto de Hidráulica Ambiental de la Universidad de Cantabria, IHCantabria. Coastlab18 welcomed 175 attendees from 18 different countries. The technical program included three renowned keynote lectures and 120 presentations focused on theoretical and practical aspects related to physical modelling in the field of coastal and ocean engineering. Coastal and ocean structures, breakwaters, revetments, laboratory technologies, measurement systems, coastal field measurement and monitoring, combined physical and numerical modelling, physical modelling case studies, tsunamis, and coastal hydrodynamics were the main topics covered in the conference. This book attempts to cover, as completely as possible, all the topics presented during the conference. The papers were accepted after a peer-review process based on their full text.

Keywords

History of engineering & technology --- hydraulic stability --- breaking wave conditions --- low-crested structures --- mound breakwaters --- armor layer --- overtopping --- dikes --- sea defenses --- bimodal seas --- swell --- oblique waves --- crossing seas --- wave basin --- mound breakwater --- armor stability --- Cubipod® --- breaking waves --- non-overtopping --- horizontal foreshore --- regular waves --- Stepped revetment --- wave impact --- physical model test --- rock slopes --- damage characterization --- damage parameters --- physical model tests --- linear waves --- nonlinear waves --- wavemaker theory --- wavemaker applicability --- outdoor wave basin --- long-term development --- vegetation development --- ecosystem services --- nature-based --- vertical barrier --- semi-submerged --- wind waves --- experiments --- laboratory --- operational system --- wave forecast --- wave modelling --- Mediterranean Sea --- monitoring program --- beach management --- bichromatic waves --- reflection separation --- bound waves --- stability --- erosion --- sea level rise --- repetition tests --- berm --- wave flume --- length effect --- aquaculture --- drag --- inertia --- Abbott–Firestone Curve --- laboratory tests --- physical model experiments --- scouring --- shingle foreshore --- sloping wall --- combined field experiment and numerical modeling --- overwash --- wave run-up --- infragravity waves --- XBeach --- coastal flooding --- dune erosion --- landslide waves --- tsunamis --- laboratory experiments --- momentum balance --- numerical wave modeling --- vertical cylinder --- DNS model --- pressure gradient --- wave force --- scour and shear stress --- n/a --- Abbott-Firestone Curve


Book
Selected Papers from Coastlab18 Conference
Authors: ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

Loading...
Export citation

Choose an application

Bookmark

Abstract

This book presents 16 selected papers from the 7th International Conference on The Application of Physical Modelling in Coastal and Port Engineering and Science, Coastlab18. The conference was organized in Santander, Spain, from 22 to 26 May, 2018, by the Instituto de Hidráulica Ambiental de la Universidad de Cantabria, IHCantabria. Coastlab18 welcomed 175 attendees from 18 different countries. The technical program included three renowned keynote lectures and 120 presentations focused on theoretical and practical aspects related to physical modelling in the field of coastal and ocean engineering. Coastal and ocean structures, breakwaters, revetments, laboratory technologies, measurement systems, coastal field measurement and monitoring, combined physical and numerical modelling, physical modelling case studies, tsunamis, and coastal hydrodynamics were the main topics covered in the conference. This book attempts to cover, as completely as possible, all the topics presented during the conference. The papers were accepted after a peer-review process based on their full text.

Keywords

hydraulic stability --- breaking wave conditions --- low-crested structures --- mound breakwaters --- armor layer --- overtopping --- dikes --- sea defenses --- bimodal seas --- swell --- oblique waves --- crossing seas --- wave basin --- mound breakwater --- armor stability --- Cubipod® --- breaking waves --- non-overtopping --- horizontal foreshore --- regular waves --- Stepped revetment --- wave impact --- physical model test --- rock slopes --- damage characterization --- damage parameters --- physical model tests --- linear waves --- nonlinear waves --- wavemaker theory --- wavemaker applicability --- outdoor wave basin --- long-term development --- vegetation development --- ecosystem services --- nature-based --- vertical barrier --- semi-submerged --- wind waves --- experiments --- laboratory --- operational system --- wave forecast --- wave modelling --- Mediterranean Sea --- monitoring program --- beach management --- bichromatic waves --- reflection separation --- bound waves --- stability --- erosion --- sea level rise --- repetition tests --- berm --- wave flume --- length effect --- aquaculture --- drag --- inertia --- Abbott–Firestone Curve --- laboratory tests --- physical model experiments --- scouring --- shingle foreshore --- sloping wall --- combined field experiment and numerical modeling --- overwash --- wave run-up --- infragravity waves --- XBeach --- coastal flooding --- dune erosion --- landslide waves --- tsunamis --- laboratory experiments --- momentum balance --- numerical wave modeling --- vertical cylinder --- DNS model --- pressure gradient --- wave force --- scour and shear stress --- n/a --- Abbott-Firestone Curve


Book
Environmental Hydraulics, Turbulence and Sediment Transport
Author:
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

Loading...
Export citation

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Bookmark

Abstract

In the research on environmental hydraulics, its turbulence, and its sediment transport, constant challenges have been faced. The complexity of hydraulic impacts on sediment transport and turbulent flow properties makes research in this area a difficult task. However, due to pressure from climate change and the mounting issue of pollution, environmental flow studies are more crucial than ever. Bedforming within rivers is a complex process that can be influenced by the hydraulics, vegetated field, and various suspended and bedload transports. Changes in flow conditions due to rain and flood can further complicate a hydraulic system. To date, the turbulence, morphologic, and bedforming characteristics of natural environmental flows are still not well understood. This book aims to bring together a collection of state-of-the-art research and technologies to form a useful guide for the related research and engineering communities. It may be useful for authorities, researchers, and environmental, civil, and water engineers to understand the current state-of-the-art practices in environmental flow modelling, measurement, and management. It may also be a good resource for research, post-, or undergraduate students who wish to know about the most up-to-date knowledge in this field.


Book
Hybrid Systems for Marine Energy Harvesting
Authors: --- --- ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Technologies to harvest marine renewable energies (MREs) are at a pre-commercial stage, and significant R&D progress is still required in order to improve their competitiveness. Therefore, hybridization presents a significant potential, as it fosters synergies among the different harvesting technologies and resources. In the scope of this Special Issue, hybridization is understood in three different manners: (i) combination of technologies to harvest different MREs (e.g., wave energy converters combined with wind turbines); (ii) combination of different working principles to harvest the same resource (e.g., oscillating water column with an overtopping device to harvest wave energy); or (iii) integration of harvesting technologies in multifunctional platforms and structures (e.g., integration of wave energy converters in breakwaters). This Special Issue presents cutting-edge research on the development and testing of hybrid technologies for harvesting MREs and intends to inform interested readers on the most recent advances in this key topic.


Book
Hybrid Systems for Marine Energy Harvesting
Authors: --- --- ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Technologies to harvest marine renewable energies (MREs) are at a pre-commercial stage, and significant R&D progress is still required in order to improve their competitiveness. Therefore, hybridization presents a significant potential, as it fosters synergies among the different harvesting technologies and resources. In the scope of this Special Issue, hybridization is understood in three different manners: (i) combination of technologies to harvest different MREs (e.g., wave energy converters combined with wind turbines); (ii) combination of different working principles to harvest the same resource (e.g., oscillating water column with an overtopping device to harvest wave energy); or (iii) integration of harvesting technologies in multifunctional platforms and structures (e.g., integration of wave energy converters in breakwaters). This Special Issue presents cutting-edge research on the development and testing of hybrid technologies for harvesting MREs and intends to inform interested readers on the most recent advances in this key topic.

Keywords

Technology: general issues --- History of engineering & technology --- vertical axisymmetric floaters --- arbitrary shape --- breakwater --- diffraction and radiation problem --- hydrodynamic characteristics --- added mass --- damping coefficient --- marine renewable energy --- wind energy --- solar energy --- resource assessment --- hybrid energy systems --- power take-off damping --- wave power device --- experimental testing --- PTO simulator --- uncertainty analysis --- wave energy testing --- experimental set-up --- calibration --- Computational Fluid Dynamics (CFD) modelling --- physical model testing --- Hybrid-Wave Energy Converter (HWEC) --- composite modelling approach --- Oscillating Water Column (OWC) --- Overtopping Device (OTD) --- multi-purpose breakwater --- wave power --- oscillating buoy --- power generation performance --- standing waves --- experimental research --- physical modelling --- wave energy --- breakwaters --- safety --- overtopping --- stability --- offshore wind energy --- CECO --- WindFloat Atlantic --- co-located wind-wave farm --- vertical axisymmetric floaters --- arbitrary shape --- breakwater --- diffraction and radiation problem --- hydrodynamic characteristics --- added mass --- damping coefficient --- marine renewable energy --- wind energy --- solar energy --- resource assessment --- hybrid energy systems --- power take-off damping --- wave power device --- experimental testing --- PTO simulator --- uncertainty analysis --- wave energy testing --- experimental set-up --- calibration --- Computational Fluid Dynamics (CFD) modelling --- physical model testing --- Hybrid-Wave Energy Converter (HWEC) --- composite modelling approach --- Oscillating Water Column (OWC) --- Overtopping Device (OTD) --- multi-purpose breakwater --- wave power --- oscillating buoy --- power generation performance --- standing waves --- experimental research --- physical modelling --- wave energy --- breakwaters --- safety --- overtopping --- stability --- offshore wind energy --- CECO --- WindFloat Atlantic --- co-located wind-wave farm


Book
Hybrid Systems for Marine Energy Harvesting
Authors: --- --- ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Technologies to harvest marine renewable energies (MREs) are at a pre-commercial stage, and significant R&D progress is still required in order to improve their competitiveness. Therefore, hybridization presents a significant potential, as it fosters synergies among the different harvesting technologies and resources. In the scope of this Special Issue, hybridization is understood in three different manners: (i) combination of technologies to harvest different MREs (e.g., wave energy converters combined with wind turbines); (ii) combination of different working principles to harvest the same resource (e.g., oscillating water column with an overtopping device to harvest wave energy); or (iii) integration of harvesting technologies in multifunctional platforms and structures (e.g., integration of wave energy converters in breakwaters). This Special Issue presents cutting-edge research on the development and testing of hybrid technologies for harvesting MREs and intends to inform interested readers on the most recent advances in this key topic.

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