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Renewable Energy in Marine Environment

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ISBN: 9783039285280 9783039285297 Year: Pages: 324 DOI: 10.3390/books978-3-03928-529-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
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The effects of human-caused global warming are obvious, requiring new strategies and approaches. The concept of business-as-usual is now no longer beneficial. Extraction of renewable energy in marine environments represents a viable solution and an important path for the future. These huge renewable energy resources in seas and oceans can be harvested, including wind, tide, and waves. Despite the initial difficulties related mostly to the elevated operational risks in the harsh marine environment, newly developed technologies are economically effective or promising. Simultaneously, many challenges remain to be faced. These are the main issues targeted by the present book, which is associated with the Special Issue of Energies Journal entitled “Renewable Energy in Marine Environment”. Papers on innovative technical developments, reviews, case studies, and analytics, as well as assessments, and papers from different disciplines that are relevant to the topic are included. From this perspective, we hope that the results presented are of interest to for scientists and those in related fields such as energy and marine environments, as well as for a wider audience.

Keywords

WEC array --- WEC farm --- PTO system --- PTO system tuning --- linearization --- hydraulic --- WEC-sim --- PTO-sim --- model coupling --- BEM --- NEMOH --- numerical modeling --- numerical coupling --- wave propagation --- MILDwave --- wave–structure interaction --- near field --- far field --- experimental validation --- WECwakes project --- wave energy converter arrays --- turbulence --- turbulence intensity --- turbulence kinetic energy --- ADCP --- site measurements --- time scale --- length scale --- wave–structure interaction --- wave propagation model --- smoothed particle hydrodynamics --- open boundaries --- coupling --- DualSPHysics --- OceanWave3D --- Mild-slope wave propagation model --- MILDwave --- periodic lateral boundaries --- short crested waves --- offshore wind turbines --- large scale experiments --- scour protection damage --- wide-graded materials --- climate change conditions --- optical measurements --- acoustic measurements --- waves-current interaction --- moored floating wave-energy converter --- oscillating water column --- wave flume experiment --- nonlinear wave condition --- 6 degrees of freedom motion --- mooring-line tension --- renewable energy --- marine environment --- wave energy converters --- variable depth effects --- multi-DOF WECs --- design optimization --- end fitting --- unbonded flexible pipe --- sealing performance --- pressure penetration --- temperature --- Caspian Sea --- wind speed --- offshore turbines --- capacity factor --- LCOE --- offshore wind farm --- jacket --- scour --- wave-current interaction --- spatial resolution --- erosion patterns --- sediment transport --- laboratory tests --- ocean energy --- marine energy --- wave energy --- renewable energy --- wave energy converter --- control system --- cost-benefit analysis --- DC collection --- energy economics --- HVDC --- HVAC --- levelized cost of electricity (LCOE) --- offshore wind --- ocean renewable energy --- ocean renewable technologies --- ocean source potential --- Brazilian ocean energy

New Concepts in Oxidation Processes

Authors: --- --- --- --- et al.
ISBN: 9783039281602 9783039281619 Year: Pages: 132 DOI: 10.3390/books978-3-03928-161-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering --- Environmental Engineering
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This Special Issue of Catalysts aims to cover the recent progress and novel trends in the field of catalytic oxidation reaction. Topics addressed in this special issue concern the influence of different parameters on catalytic activity at various scales (atomic, laboratory, pilot, or industrial scales), the development of new catalytic materials of environmental or industrial importance, as well as the development of new methods, both microscopic and spectroscopic, to analyze oxidation processes.

Feminist new materialisms: Activating Ethico-Politics Through Genealogies in Social Sciences

Authors: --- ---
ISBN: 9783039218080 9783039218097 Year: Pages: 116 DOI: 10.3390/books978-3-03921-809-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Social Sciences --- Sociology --- Gender Studies
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For the editors of this collection, new materialisms have always been the entanglement of epistemology, ontology, ethics, and politics. Looking back to the notion of “situated knowledges” (Haraway, 1988) that – among others – “planted the seed for feminist new materialism” (van der Tuin, 2015, 26) – one sees how those (at least) four planes are entangled (Rogowska-Stangret, 2018) in order to bring forth “response-able” (Haraway, 2008) research. New materialism is thus an ethico-onto-epistemological framework (Barad, 2007; Revelles-Benavente, 2018) that by activating its ethico-politics helps to diagnose, infer, and transform gendered, environmental, anthropocentric, social injustices from a multidimensional angle. Social injustices are a driving motivation to pursue research and are the reason why the editors and authors of this Special Issue cannot understand new materialism without feminism (in the lines of eds. Hinton & Teusch, 2015). Contemporary feminist researchers are providing new materialisms with a transversal approach, (Yuval-Davis 1997) that comes from many different disciplines without canonizing back again knowledge creation and production and in hope that they will not enter back into classifixations (van der Tuin, 2015). It is “situated” (Haraway, 1988) research “response-able” (Haraway, 2008) to material-discursive practices that iterate in a dynamic conceptualization of matter.

Recent Advances in Mechanics of Non-Newtonian Fluids

Authors: ---
ISBN: 9783039283088 9783039283095 Year: Pages: 252 DOI: 10.3390/books978-3-03928-309-5 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
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Non-Newtonian (non-linear) fluids are common in nature, for example, in mud and honey, but also in many chemical, biological, food, pharmaceutical, and personal care processing industries. This Special Issue of Fluids is dedicated to the recent advances in the mathematical and physical modeling of non-linear fluids with industrial applications, especially those concerned with CFD studies. These fluids include traditional non-Newtonian fluid models, electro- or magneto-rheological fluids, granular materials, slurries, drilling fluids, polymers, blood and other biofluids, mixtures of fluids and particles, etc.

Keywords

inhomogeneous fluids --- non-newtonian fluids --- lubrication approximation (76A05, 76D08, 76A20) --- particle interaction --- viscoplastic fluid --- Bingham fluid --- computational fluid dynamics --- porous media --- convection --- Bingham fluid --- yield stress --- channel flow --- power-law fluid --- shear-dependent viscosity --- Reynolds equation --- lubrication approximation --- lid-driven cavity --- projection method --- shear-thinning --- aspect ratio --- Re numbers --- Brinkman equation --- viscosity ratio --- first- and second-order slip --- similarity transformation --- porous medium --- generalised simplified PTT --- Phan-Thien–Tanner (PTT) model --- Mittag–Leffler --- Couette flow --- Poiseuille–Couette flow --- non-isothermal flows --- creeping flows --- viscous fluid --- optimal control --- boundary control --- pressure boundary conditions --- weak solution --- existence theorem --- marginal function --- hemoglobin --- biological capacitor --- non-equilibrium thermodynamics --- hemoglobe capacitor --- thermodynamic capacitor --- smoothed particle hydrodynamics (SPH) --- meshless --- fluid-solid interaction (FSI) --- membrane --- rupture --- SPH-FEM --- stokesian dynamics --- dense suspension --- rheology --- bubble suspension --- suspension viscosity --- Gamma densitometer --- high viscosity oil --- slug translational velocity --- closure relationship --- wormlike micellar solutions (WMS) --- enhanced oil recovery (EOR) --- chemical EOR (cEOR) --- viscoelastic surfactants (VES) --- non-linear fluids --- variable viscosity --- natural convection --- convection-diffusion --- buoyancy force --- lubrication --- suspensions --- viscoplastic fluids --- cement --- biofluids --- oil recovery --- porous media

Engineering Mathematics in Ship Design

Authors: --- ---
ISBN: 9783039218042 9783039218059 Year: Pages: 168 DOI: 10.3390/books978-3-03921-805-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: General and Civil Engineering --- Technology (General)
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Engineering mathematics is a branch of applied mathematics where mathematical methods and techniques are implemented for solving problems related to the engineering and industry. It also represents a multidisciplinary approach where theoretical and practical aspects are deeply merged with the aim at obtaining optimized solutions. In line with that, the present Special Issue, 'Engineering Mathematics in Ship Design', is focused, in particular, with the use of this sort of engineering science in the design of ships and vessels. Articles are welcome when applied science or computation science in ship design represent the core of the discussion.

Engineering Fluid Dynamics 2018

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ISBN: 9783039281121 9783039281138 Year: Pages: 256 DOI: 10.3390/books978-3-03928-113-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: General and Civil Engineering --- Technology (General)
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“Engineering Fluid Dynamics 2018”. The topic of engineering fluid dynamics includes both experimental as well as computational studies. Of special interest were submissions from the fields of mechanical, chemical, marine, safety, and energy engineering. We welcomed both original research articles as well as review articles. After one year, 28 papers were submitted and 14 were accepted for publication. The average processing time was 37.91 days. The authors had the following geographical distribution: China (9); Korea (3); Spain (1); and India (1). Papers covered a wide range of topics, including analysis of fans, turbines, fires in tunnels, vortex generators, deep sea mining, as well as pumps.

Keywords

axial fan --- rotating stall --- aerodynamic noise --- numerical simulation --- noise spectrum --- centrifugal pump --- radiation noise --- distribution characteristic --- acoustic energy --- experimental research --- thermosyphon --- volume of fluid --- multiphase flow --- evaporation and condensation --- centrifugal pump --- impeller --- blade wrap angle --- blade exit angle --- optimized design --- deep sea mining --- manganese nodules exploitation --- hydraulic collecting --- suction flow field --- dimensional analysis --- circumferential groove casing treatment --- sweep and lean --- CGCT-blade integrated optimization --- computational fluid dynamics (CFD) --- flow around cylinder --- fluid structure interaction (FSI) --- hydrodynamic response --- numerical methods --- simulation and modeling --- vortex induced vibration (VIV) ratio --- gas turbine --- axial gap --- hot streak --- heat transfer --- leading edge --- global optimization --- cavitation inception --- orthogonal test --- CFD simulation --- two-stage axial fan --- numerical simulation --- abnormal blade installation angle --- rotating stall --- Tesla turbine --- fluid dynamics --- disc thickness --- disc spacing distance --- isentropic efficiency --- plug-holing --- tunnel slope --- fire --- natural ventilation --- ventilation performance --- aspect ratio --- evacuation --- fire propagation --- tunnel vehicle fire --- unsteady heat release rate --- flow control --- vortex generators --- source term --- Computational Fluid Dynamics (CFD) --- OpenFOAM --- wind tunnel

Chemical Speciation of Organic and Inorganic components of Environmental and Biological Interest in Natural Fluids: Behaviour, Interaction and Sequestration

Authors: ---
ISBN: 9783039284528 9783039284535 Year: Pages: 218 DOI: 10.3390/books978-3-03928-453-5 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Sociology --- Social Sciences
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The International Union of Pure and Applied Chemistry (IUPAC) defines the term “speciation” as the distribution of an element amongst defined chemical species in a system, while the process leading to quantitative estimation of the content of different species is called speciation analysis. The chemical speciation of elements in natural waters and biological fluids is a key topic, essential for discussing the chemical reactivity of constituents in these systems. It is well understood that it is the chemical form of a metal or metalloids that determines its reactivity, lifetime, and fate in the environment. Chemical speciation now involves various sectors of the sciences, from chemistry to biology, biochemistry, and environmental sciences, since—as is well known—the total concentration, alone, of an inorganic or organic component (metal or ligand) in a multicomponent natural system (fresh water, sea water, biological fluids, soil, etc.) is insufficient for a comprehensive understand of its behavior in those contests.

Marine Structures

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ISBN: 9783039281824 9783039281831 Year: Pages: 210 DOI: 10.3390/books978-3-03928-183-1 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
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Structural mechanics is an important field of engineering. The main goal of structural mechanics is to ensure that structures are safe and durable so that catastrophic situations can be prevented, which can otherwise cause loss of life, environmental pollution and financial losses. Depending on the uses of the structure and the conditions that the structure is subjected to, special treatment may be required for the analysis. Specifically, marine structures are subjected to harsh environmental conditions due to the marine environment, which can cause several different damage mechanisms including fatigue and corrosion. This book on “Marine structures” considers a wide range of areas related to marine structures and provides a compilation of numerical and experimental studies related to “Marine structures” research.

Structural Prognostics and Health Management in Power & Energy Systems

Authors: --- --- --- --- et al.
ISBN: 9783039217663 9783039217670 Year: Pages: 218 DOI: 10.3390/books978-3-03921-767-0 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Philosophy
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The idea of preparing an Energies Special Issue on “Structural Prognostics and Health Management in Power & Energy Systems” is to compile information on the recent advances in structural prognostics and health management (SPHM). Continued improvements on SPHM have been made possible through advanced signature analysis, performance degradation assessment, as well as accurate modeling of failure mechanisms by introducing advanced mathematical approaches/tools. Through combining deterministic and probabilistic modeling techniques, research on SPHM can provide assurance for new structures at a design stage and ensure construction integrity at a fabrication phase. Specifically, power and energy system failures occur under multiple sources of uncertainty/variability resulting from load variations in usage, material properties, geometry variations within tolerances, and other uncontrolled variations. Thus, advanced methods and applications for theoretical, numerical, and experimental contributions that address these issues on SPHM are desired and expected, which attempt to prevent overdesign and unnecessary inspection and provide tools to enable a balance between safety and economy to be achieved. This Special Issue has attracted submissions from China, USA, Portugal, and Italy. A total of 26 submissions were received and 11 articles finally published.

Keywords

prognostics --- residual useful life --- similarity-based approach --- supporting vector machine (SVM) --- reliability --- non-probabilistic reliability index --- sensitivity analysis --- techno-economic assessments --- life cycle cost --- vibration transmission mechanism --- underground powerhouse --- lateral-river vibration --- low frequency tail fluctuation --- rotation of hydraulic generator --- vertical axis wind turbine --- structural health monitoring --- operational modal analysis --- stochastic subspace identification --- vibration test --- offshore structures --- oil and gas platforms --- offshore wind turbines --- retrofitting activities --- renewable energy --- dynamic analysis --- wind and wave analysis --- dynamic analysis of the structure --- wave–structure interaction (WSI) --- probabilistic analyses of stochastic processes and frequency --- data-driven --- machine learning --- deep learning --- DNN --- prognostic and Health Management --- lithium-ion battery --- wind turbines --- health monitoring --- fault detection --- optimized deep belief networks --- supervisory control and data acquisition system --- multioperation condition --- wind turbine blade --- full-scale static test --- neural networks --- strain prediction --- dynamic fuzzy reliability analysis --- extremum surface response method --- weighted regression --- turbine blisk --- fuzzy safety criterion --- lithium-ion battery --- remaining useful life --- regeneration phenomenon --- wavelet decomposition --- NAR neural network --- empirical mode decomposition --- analysis mode decomposition --- analysis-empirical mode decomposition --- mode mixing --- sifting stop criterion

Compact Stars in the QCD Phase Diagram

Authors: --- --- ---
ISBN: 9783039219582 9783039219599 Year: Pages: 273 DOI: 10.3390/books978-3-03921-959-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Mathematics
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The book edition of the Universe Special Issue “Compact Stars in the QCD Phase Diagram” is devoted to the overarching aspects shared between heavy-ion collisions and compact star astrophysics in investigating the hadron-to-quark matter phase transition in the equation of state of strongly interacting matter in different regions of the phase diagram of QCD. It comprises 22 review and research articles that, together, will serve as a useful guide in educating both young and senior scientists in this emerging field that represents an intersection of the communities of strongly interacting matter theory, heavy-ion collision physics and compact star astrophysics.

Keywords

heavy-ion collisions --- directed flow --- hydrodynamics --- deconfinement --- hybrid stars --- neutron stars --- equation of state --- ? meson condensation --- maximum mass --- ? resonances --- finite temperature --- finite density --- quark-gluon plasma --- finite size --- speed of sound --- neutron stars --- equation of state --- in-medium effects --- neutrino --- Quantum Chromodynamics --- dense matter --- vector interaction --- neutron stars --- equation of state --- QCD matter --- phase transition --- critical point --- modified excluded-volume mechanism --- dense matter --- equation of state --- stars: neutron --- pulsars: general, pulsars: PSR J0737 ? 3039A --- pulsars: PSR J1757 ? 1854 --- relativistic heavy-ion collisions --- monte carlo simulations --- transport theory --- strangeness --- neutron stars --- star oscillations --- hadron–quark continuity --- neutron stars --- QCD phase diagram --- neutron stars --- stellar magnetic field --- stellar structure --- stellar evolution --- neutron star --- equation of state --- phase transition --- quark matter --- pulsars --- quark stars --- general relativity --- Gravitational waves --- Gamma-ray bursts --- nuclear matter --- neutron stars --- quarks --- combustion --- neutron star --- QCD matter --- phase transition --- critical point --- neutron stars --- gravitational waves --- equation of state --- chiral symmetry --- axion QED --- quark-hole pairing --- cold-dense QCD --- magnetic DCDW --- quark matter --- hadronic matter --- quark deconfinement --- neutron star matter --- nuclear equation of state --- phase transition --- crystalline structure --- neutrino emissivities --- cluster virial expansion --- quark-hadron matter --- Mott dissociation --- Beth-Uhlenbeck equation of state --- heavy-ion collisions --- supernova explosions --- mass-twin stars --- nuclear symmetry energy --- heavy-ion collisions --- transport theory --- collective flow --- light cluster emission --- meson production --- quark-hadron phase transition --- pasta phases --- speed of sound --- hybrid compact stars --- mass-radius relation --- GW170817

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MDPI - Multidisciplinary Digital Publishing Institute (20)


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CC by-nc-nd (20)


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english (20)


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2020 (20)