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Vibrations are extremely important in all areas of human activities, for all sciences, technologies and industrial applications. Sometimes these Vibrations are useful but other times they are undesirable. In any case, understanding and analysis of vibrations are crucial. This book reports on the state of the art research and development findings on this very broad matter through 22 original and innovative research studies exhibiting various investigation directions. The present book is a result of contributions of experts from international scientific community working in different aspects of vibration analysis. The text is addressed not only to researchers, but also to professional engineers, students and other experts in a variety of disciplines, both academic and industrial seeking to gain a better understanding of what has been done in the field recently, and what kind of open problems are in this area.

Vibration. --- Vibration analysis. --- Cycles --- Mechanics --- Sound --- Vibration --- Research. --- Vibration research --- Mechanical engineering

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This Special Issue highlights the latest enhancements in the abatement of noise and vibrations in aerospace and automotive systems. The reduction of acoustic emissions and the improvement of interior cabin comfort desired by all major transportation industries, as these areas have a direct impact on customer satisfaction and, consequently, the commercial success of new products. Topics covered in this Special Issue deal with computational approaches, instrumentation and data analysis related to noise and vibrations of fixed-wing aircraft, satellites, spacecraft, automobiles, and trains, covering aerodynamically generated noise, engine noise, sound absorption, cabin acoustic treatments, duct acoustics, and vibroacoustic properties of materials. This Special Issue also focuses on industrial aspects. Existing procedures and algorithms that are useful in reaching the abovementioned objectives in the most efficient way are illustrated in the collected papers.

History of engineering & technology --- flexible spacecraft --- periodic disturbance compensation --- compensate torque design --- vibration attenuation --- reaction wheel. --- vibration analysis --- FEM --- multibody simulations --- Plasma flow control --- multichannel discharge --- plasma synthetic actuator --- actuator array --- analytic model --- centrifugal fan --- unsteady flow --- vibroacoustics --- fluid-structure-acoustic coupling --- optimization --- high-speed train --- pantograph --- aerodynamic noise --- large eddy simulation --- acoustic finite element method --- transonic buffet --- tangential slot --- steady and periodic blowing --- postpone of buffet onset --- buffet load alleviation --- component mode synthesis --- petrol engine --- NVH --- FRF --- leakage location --- Lamb wave --- beamforming --- spacecraft in orbit --- vibro-acoustics --- MDO --- aircraft fuselage --- aeroacoustics --- acoustics --- noise --- vibration --- aeronautics --- automotive

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This Special Issue highlights the latest enhancements in the abatement of noise and vibrations in aerospace and automotive systems. The reduction of acoustic emissions and the improvement of interior cabin comfort desired by all major transportation industries, as these areas have a direct impact on customer satisfaction and, consequently, the commercial success of new products. Topics covered in this Special Issue deal with computational approaches, instrumentation and data analysis related to noise and vibrations of fixed-wing aircraft, satellites, spacecraft, automobiles, and trains, covering aerodynamically generated noise, engine noise, sound absorption, cabin acoustic treatments, duct acoustics, and vibroacoustic properties of materials. This Special Issue also focuses on industrial aspects. Existing procedures and algorithms that are useful in reaching the abovementioned objectives in the most efficient way are illustrated in the collected papers.

flexible spacecraft --- periodic disturbance compensation --- compensate torque design --- vibration attenuation --- reaction wheel. --- vibration analysis --- FEM --- multibody simulations --- Plasma flow control --- multichannel discharge --- plasma synthetic actuator --- actuator array --- analytic model --- centrifugal fan --- unsteady flow --- vibroacoustics --- fluid-structure-acoustic coupling --- optimization --- high-speed train --- pantograph --- aerodynamic noise --- large eddy simulation --- acoustic finite element method --- transonic buffet --- tangential slot --- steady and periodic blowing --- postpone of buffet onset --- buffet load alleviation --- component mode synthesis --- petrol engine --- NVH --- FRF --- leakage location --- Lamb wave --- beamforming --- spacecraft in orbit --- vibro-acoustics --- MDO --- aircraft fuselage --- aeroacoustics --- acoustics --- noise --- vibration --- aeronautics --- automotive

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With the progress in nanotechnology and associated production methods, composite materials are becoming lighter, cheaper, more durable, and more versatile. At present, great progress has been made in the design, preparation, and characterization of composite materials, making them smarter and versatile. By creating new properties using suitable fillers and matrix, functional composites can meet the most challenging standards of users, especially in high-tech industries. Advanced composites reinforced by high-performance carbon fibers and nanofillers are popular in the automotive and aerospace industries thanks to their significant advantages, such as high specific strength to weight ratio and noncorrosion properties. In addition to the improvement of the mechanical performance, composite materials today are designed to provide new functions dealing with antibacterial, self-cleaning, self-healing, super-hard, and solar reflective properties for desired end-use applications. On the other hand, composite materials can contribute to mitigating environmental issues by providing renewable energy technologies in conjunction with multifunctional, lightweight energy storage systems with high performance and noncorrosive properties. They are also used to prepare a new generation of batteries and directly contribute to H2 production or CO2 reduction in fuels and chemicals. This Special Issue aims to collect articles reporting on recent developments dealing with preparative methods, design, properties, structure, and characterization methods as well as promising applications of multifunctional composites. It covers potential applications in various areas, such as anticorrosion, photocatalyst, absorbers, superhydrophobic, self-cleaning, antifouling/antibacterial, renewable energy, energy storage systems, construction, and electronics. The modeling and simulation of processes involving the design and preparation of functional and multifunctional composites as well as experimental studies involving these composites are all covered in this Special Issue.

History of engineering & technology --- CuO/ZnO --- photodegradation --- nanocomposite --- methylene blue --- sunlight --- photocatalyst --- dye degradation --- co-precipitation --- free vibration analysis --- doubly-curved shell and panel --- nano-composites --- functionally graded carbon nanotube-reinforced composite (FG-CNTRC) --- four-variable refined shell theory --- 3D printing --- FDM method --- bronze polylactic acid composite --- response surface method --- acrylic polyurethane coating --- nano-SiO2 --- mechanical properties --- weathering resistance --- poly (lactic acid) --- pulp fiber --- natural fiber reinforced composites --- epoxidized Tung oil --- carbon/carbon composites --- multi-phase coatings --- oxidation resistance --- thermal cycling --- 3D printed coating --- multi-material additive manufacturing --- environmental exposure --- ABS --- ASA --- composites --- chitosan–pectin --- adsorption --- polyelectrolyte complex --- covalent biopolymer framework --- strawberry --- edible coating --- cut fruits --- post-harvest --- storage --- quality --- milk composition --- multiphase polydisperse system --- near-infrared spectroscopy --- mid-infrared spectroscopy --- Raman spectroscopy --- milk optical and acoustical properties --- milk spectral analysis --- speed of sound --- attenuation --- ultrasonic techniques --- n/a --- annealing time --- crystallize process --- molecular dynamics --- NiAu alloy --- structure --- chitosan-pectin

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The book is intended to collect the recent contributions (either research or review papers) to the development of the “Materials Chemistry” research fields by the Editorial Board Members of the Materials Chemistry Section of Molecules. The aim is to present the recent progress in the fields and to highlight the key role of Materials Chemistry in a multidisciplinary research context.

Technology: general issues --- hypergolic reactions --- sodium peroxide --- carbon nanosheets --- fullerols --- useful energy --- gold nanoparticles --- photothermal effect --- nanoink --- inkjet printing --- secure writing --- anti-counterfeit --- crosslinking polymerization (curing) --- decomposition --- degradation --- liquid and solid state --- phase transitions --- thermal analysis --- colloidal heterostructures --- seed mediated growth --- heterogeneous nucleation --- PbS/TiO2 heterostructure --- TiO2 nanocrystal defects --- antiferromagnet --- double perovskite --- high-κ dielectric --- nickel --- tellurium --- tungsten --- central nervous system (CNS) --- blood–brain barrier (BBB) --- self-assembled polymeric nanoparticles --- intranasal delivery --- biodistribution --- dendrimers --- microwaves --- hexaazatrinaphthylenes --- graphene nanoplatelets --- honeycomb structures --- modified couple stress theory --- quasi-3d hyperbolic shear deformation theory --- sandwich structures --- vibration analysis --- polymer-derived ceramics --- nanocomposites --- TiN --- TiC --- Si3N4 --- SiC --- structural properties --- cross-coupling reactions --- microwave irradiation --- ultrasounds --- mechanochemistry --- solvent-free --- water --- ionic liquids --- deep eutectic solvents --- sustainability --- nanomaterials --- electrochemical sensors --- hydroxycinnamic acids --- caffeine --- nitrite --- lead halide perovskites --- sensors --- photoluminescence --- amplified spontaneous emission --- thin films --- hybrid hydrogels --- controlled drug delivery --- protein crystallization --- lysozyme