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Viajes a medianoche: Viajes al misterioso mundo del sueño (¡Arriba la Lectura! Level S #21)
by Maureen MecozziNIMAC-sourced textbook <p><p> Emprende un viaje de medianoche al misterioso mundo del sueño. Aprende cómo dormimos los seres humanos y cómo duermen los animales. Completa un test para averiguar si eres un búho nocturno o una alondra madrugadora.
Vibration: Fundamentals and Practice, Second Edition
by Clarence W. de SilvaMaintaining the outstanding features and practical approach that led the bestselling first edition to become a standard textbook in engineering classrooms worldwide, Clarence de Silva's Vibration: Fundamentals and Practice, Second Edition remains a solid instructional tool for modeling, analyzing, simulating, measuring, monitoring, testing, control
Vibration, Acoustics and Strain Measurement: Theory and Experiments
by C. SujathaThis textbook provides a comprehensive description of a variety of vibration and acoustic pickups and exciters, as well as strain gauge transducers. It is an exhaustive manual for setting up basic and involved experiments in the areas of vibration, acoustics and strain measurement (using strain gauges only). It further serves as a reference to conduct experiments of a pedagogical nature in these areas. It covers the various theoretical aspects of experimental test rigs, as well as a description and choice of transducers/equipment. The fundamentals of signal processing theory, including the basics of random signals, have been included to enable the user to make a proper choice of settings on an analyser or measuring equipment. Also added is a description of modal analysis theory and related parameter extraction techniques. All chapters are provided with conceptual questions which will provoke the reader to think and gain a better understanding of the subjects. The textbook illustrates around fifty experiments in the areas of vibration, acoustics and strain measurements. Given the contents, this textbook is useful for undergraduate and postgraduate students in the areas of mechanical engineering, with applications that range from civil structures, architectural and environmental systems, and all forms of mechanical systems including transport vehicles and aircraft.
Vibration and Damping Behavior of Biocomposites
by Senthil Muthu Kumar ThiagamaniFiber-reinforced polymer composites exhibit better damping characteristics than conventional metals due to the viscoelastic nature of the polymers. There has been a growing interest among research communities and industries in the use of natural fibers as reinforcements in structural and semi-structural applications, given their environmental advantages. Knowledge of the vibration and damping behavior of biocomposites is essential for engineers and scientists who work in the field of composite materials. Vibration and Damping Behavior of Biocomposites brings together the latest research developments in vibration and viscoelastic behavior of composites filled with different natural fibers. Features: Reviews the effect of various types of reinforcements on free vibration behavior Emphasizes aging effects, influence of compatibilizers, and hybrid fiber reinforcement Explores the influence of resin type on viscoelastic properties Covers the use of computational modeling to analyze dynamic behavior and viscoelastic properties Discusses viscoelastic damping characterization through dynamic mechanical analysis. This compilation will greatly benefit academics, researchers, advanced students, and practicing engineers in materials and mechanical engineering and related fields who work with biocomposites. Editors Dr. Senthil Muthu Kumar Thiagamani, Kalasalinagam Academy of Research and Education (KARE), India Dr. Md Enamul Hoque, Military Institute of Science and Technology (MIST), Bangladesh Dr. Senthilkumar Krishnasamy, King Mongkut’s University of Technology North Bangkok KMUTNB, Thailand Dr. Chandrasekar Muthukumar, Hindustan Institute of Technology & Science (HITS), India Dr. Suchart Siengchin, King Mongkut’s University of Technology North Bangkok KMUTNB, Thailand
Vibration and Heat Transfer of Elastic Tube Bundles in Heat Exchangers: A Numerical Study
by Jiadong Ji Baojun Shi Haishun DengThis book systematically investigates the vibration and enhanced heat transfer of elastic tube bundles in heat exchangers. Using numerical calculation methods, it explores the working principles, optimization design, and performance enhancement of elastic tube bundle heat exchangers. The book presents research findings with clear illustrations and detailed analysis, allowing readers to gain a deep understanding and practical application of the subject. Whether from an academic research or engineering practice perspective, this book serves as a valuable reference and guide. It provides readers with insight and guidance on both theoretical and practical aspects of the field. With its comprehensive coverage and practical approach, this book is essential reading for researchers, engineers, and students interested in the vibration and heat transfer of elastic tube bundles in heat exchangers.
Vibration and Structural Acoustics Analysis
by J. Dias Rodrigues C.M.A. VasquesVibration and structural acoustics analysis has become an essential requirement for high-quality structural and mechanical design in order to assure acoustic comfort and the integrity, reliability and fail-safe behavior of structures and machines. The underlying technologies of this field of multidisciplinary research are evolving very fast and their dissemination is usually scattered over different and complementary scientific and technical publication means. In order to make it easy for developers and technology end-users to follow the latest developments and news in the field, this book collects into a single volume selected, extended, updated and revised versions of papers presented at the Symposium on Vibration and Structural Acoustics Analysis, coordinated by J. Dias Rodrigues and C. M. A. Vasques, which was organised as part of the 3rd International Conference on Integrity, Reliability & Failure (IRF'2009), co-chaired by J. F. Silva Gomes and Shaker A. Meguid, held at the Faculty of Engineering of the University of Porto, Portugal, 20-24 July 2009. These papers where chosen from the more than 60 papers presented at the conference symposium. Written by experienced practitioners and researchers in the field, this book brings together recent developments in the field, spanning across a broad range of themes: vibration analysis, analytical and computational structural acoustics and vibration, material systems and technologies for noise and vibration control, vibration-based structural health monitoring/evaluation, machinery noise/vibration and diagnostics, experimental testing in vibration and structural acoustics, applications and case studies in structural acoustics and vibration. Each chapter presents and describes the state of the art, presents current research results and discusses the need for future developments in a particular aspect of vibration and structural acoustics analysis. The book is envisaged to be an appealing text for newcomers to the subject and a useful research study tool for advanced students and faculty members. Practitioners and researchers may also find this book a one-stop reference that addresses current and future challenges in this field. The variety of case studies is expected to stimulate a holistic view of sound and vibration and related fields and to appeal to a broad spectrum of engineers such as the ones in the mechanical, aeronautical, aerospace, civil and electrical communities.
Vibration Assisted Machining: Theory, Modelling and Applications (Wiley-ASME Press Series)
by Dehong Huo Lu Zheng Wanqun ChenThe first book to comprehensively address the theory, kinematic modelling, numerical simulation and applications of vibration assisted machining Vibration Assisted Machining: Theory, Modelling and Applications covers all key aspects of vibration assisted machining, including cutting kinematics and dynamics, the effect of workpiece materials and wear of cutting tools. It also addresses practical applications for these techniques. Case studies provide detailed guidance on the design, modeling and testing of VAM systems. Experimental machining methods are also included, alongside considerations of state-of-the-art research developments on cutting force modeling and surface texture generation. Advances in computational modelling, surface metrology and manufacturing science over the past few decades have led to tremendous benefits for industry. This is the first comprehensive book dedicated to design, modelling, simulation and integration of vibration assisted machining system and processes, enabling wider industrial application of the technology. This book enables engineering students and professionals in manufacturing to understand and implement the latest vibration assisted machining techniques. Highlights include: Comprehensive coverage of the theory, kinematics modelling, numerical simulation and applications of vibration assisted machining (VAM) Case studies with detailed guidance on design, modelling and testing of VAM systems, as well as experimental machining methods Discussion of state-of-the-art research developments on cutting force modelling and surface texture generation Coverage of the history of VAM, its current applications and future directions for the technology Vibration Assisted Machining: Theory, Modelling and Applications provides engineering students, researchers, manufacturing engineers, production supervisors, tooling engineers, planning and application engineers and machine tool designers with the fundamentals of vibration assisted machining, along with methodologies for developing and implementing the technology to solve practical industry problems.
Vibration-based Condition Monitoring: Industrial, Automotive and Aerospace Applications
by Robert Bond RandallVibration-based Condition Monitoring Stay up to date on the newest developments in machine condition monitoring with this brand-new resource from an industry leaderThe newly revised Second Edition of Vibration-based Condition Monitoring: Industrial, Automotive and Aerospace Applications delivers a thorough update to the most complete discussion of the field of machine condition monitoring. The distinguished author offers readers new sections on diagnostics of variable speed machines, including wind turbines, as well as new material on the application of cepstrum analysis to the separation of forcing functions, structural model properties, and the simulation of machines and faults.The book provides improved methods of order tracking based on phase demodulation of reference signals and new methods of determining instantaneous machine speed from the vibration response signal. Readers will also benefit from an insightful discussion of new methods of calculating the Teager Kaiser Energy Operator (TKEO) using Hilbert transform methods in the frequency domain.With a renewed emphasis on the newly realized possibility of making virtual instruments, readers of Vibration-based Condition Monitoring will benefit from the wide variety of new and updated topics, like:A comprehensive introduction to machine condition monitoring, including maintenance strategies, condition monitoring methods, and an explanation of the basic problem of condition monitoringAn exploration of vibration signals from rotating and reciprocating machines, including signal classification and torsional vibrationsAn examination of basic and newly developed signal processing techniques, including statistical measures, Fourier analysis, Hilbert transform and demodulation, and digital filtering, pointing out the considerable advantages of non-causal processing, since causal processing gives no benefit for condition monitoringA discussion of fault detection, diagnosis and prognosis in rotating and reciprocating machines, in particular new methods using fault simulation, since “big data” cannot provide sufficient data for late-stage fault developmentPerfect for machine manufacturers who want to include a machine monitoring service with their product, Vibration-based Condition Monitoring: Industrial, Automotive and Aerospace Applications will also earn a place in university and research institute libraries where there is an interest in machine condition monitoring and diagnostics.
Vibration-Based Condition Monitoring of Wind Turbines (Applied Condition Monitoring #14)
by Tomasz BarszczThis book describes in detail different types of vibration signals and the signal processing methods, including signal resampling and signal envelope, used for condition monitoring of drivetrains. A special emphasis is placed on wind turbines and on the fact that they work in highly varying operational conditions. The core of the book is devoted to cutting-edge methods used to validate and process vibration data in these conditions. Key case studies, where advanced signal processing methods are used to detect failures of gearboxes and bearings of wind turbines, are described and discussed in detail. Vibration sensors, SCADA (Supervisory Control and Data Acquisition), portable data analyzers and online condition monitoring systems, are also covered. This book offers a timely guide to both researchers and professionals working with wind turbines (but also other machines), and to graduate students willing to extend their knowledge in the field of vibration analysis.
Vibration Engineering and Technology of Machinery
by Jyoti K. SinhaThe VETOMAC-X Conference covered a holistic plethora of relevant topics in vibration and engineering technology including condition monitoring, machinery and structural dynamics, rotor dynamics, experimental techniques, finite element model updating, industrial case studies, vibration control and energy harvesting, and signal processing. These proceedings contain not only all of the nearly one-hundred peer-reviewed presentations from authors representing more than twenty countries, but also include six invited lectures from renowned experts: Professor K. Gupta, Mr W. Hahn, Professor A. W. Lees, Professor John Mottershead, Professor J. S. Rao, and Dr P. Russhard. This work is of interest to researchers and practitioners alike, and is an essential book for most of libraries of higher academic institutes.
Vibration Engineering and Technology of Machinery, Volume II: Select Proceedings of VETOMAC XVI 2021 (Mechanisms and Machine Science #153)
by Rajiv Tiwari Y. S. Ram Mohan Ashish K. Darpe V. Arun Kumar Mayank TiwariThis book presents the proceedings of the XVI International Conference on Vibration Engineering and Technology of Machinery (VETOMAC 2021). It gathers the latest advances, innovations, and applications in the field of vibration and technology of machinery. Topics include concepts and methods in dynamics, dynamics of mechanical and structural systems, dynamics and control, condition monitoring, machinery and structural dynamics, rotor dynamics, experimental techniques, finite element model updating, industrial case studies, vibration control and energy harvesting, and MEMS. The contributions, which were selected through a rigorous international peer-review process, share exciting ideas that will spur novel research directions and foster new multidisciplinary collaborations. The book is useful for the researchers, engineers and professionals working in the area of vibration engineering and technology of machinery.
Vibration Monitoring of Induction Motors: Practical Diagnosis of Faults via Industrial Case Studies
by William T. ThomsonMaster the art of vibration monitoring of induction motors with this unique guide to on-line condition assessment and fault diagnosis, building on the author's fifty years of investigative expertise. It includes: *Robust techniques for diagnosing of a wide range of common faults, including shaft misalignment and/or soft foot, rolling element bearing faults, sleeve bearing faults, magnetic and vibrational issues, resonance in vertical motor drives, and vibration and acoustic noise from inverters. *Detailed technical coverage of thirty real-world industrial case studies, from initial vibration spectrum analysis through to fault diagnosis and final strip-down. *An introduction to real-world vibration spectrum analysis for fault diagnosis, and practical guidelines to reduce bearing failure through effective grease management. This definitive book is essential reading for industrial end-users, engineers, and technicians working in motor design, manufacturing, and condition monitoring. It will also be of interest to researchers and graduate students working on condition monitoring.
Vibration of Mechanical Systems
by Alok SinhaIn this textbook all the basic concepts in mechanical vibrations are clearly identified and presented in a concise and simple manner with illustrative and practical examples. Vibration concepts include a review of selected topics in mechanics; a description of single-degree-of-freedom (SDOF) systems in terms of equivalent mass, equivalent stiffness, and equivalent damping; a unified treatment of various forced response problems (base excitation and rotating balance); an introduction to systems thinking, highlighting the fact that SDOF analysis is a building block for multi-degree-of-freedom (MDOF) and continuous system analyses via modal analysis; and a simple introduction to finite element analysis to connect continuous system and MDOF analyses. There are more than 60 exercise problems, and a complete solutions manual. The use of MATLAB-AE software is emphasised
Vibration of Nearly Periodic Structures and Mistuned Bladed Rotors
by Alok SinhaThis is the first comprehensive volume on nearly periodic structures and mistuned blade vibration. Alok Sinha presents fundamental concepts and state-of-the-art techniques in the analysis of free and forced response of a nearly periodic structure, weaving together his own work (covering thirty-five years of research in this field) with works by other researchers. He also discusses similarities between tools used in bladed rotor analysis and condensed matter physics. Specific subjects covered include the reasons behind mode localization, the reasons behind amplitude amplification of steady-state response, state-of-the-art computational techniques for mistuned bladed rotors including multistage rotors, identification of mistuning from measured response, vibration localization in linear atomic chains, and analysis of two-dimensional periodic structures.
Vibration of Plates
by Snehashish ChakravertyPlates are integral parts of most engineering structures and their vibration analysis is required for safe design. Vibration of Plates provides a comprehensive, self-contained introduction to vibration theory and analysis of two-dimensional plates. Reflecting the author's more than 15 years of original research on plate vibration, this book present
Vibration Problems ICOVP 2011
by Bohdana Marvalová Ferdinand Verhulst Jaromír Horáček Jerzy T. Sawicki Jiří Náprstek Miloslav OkrouhlíkThis volume presents the Proceedings of the 10th International Conference on Vibration Problems, 2011, Prague, Czech Republic. ICOVP 2011 brings together again scientists from different backgrounds who are actively working on vibration-related problems of engineering both in theoretical and applied fields, thus facilitating a lively exchange of ideas, methods and results between the many different research areas. The aim is that reciprocal intellectual fertilization will take place and ensure a broad interdisciplinary research field. The topics, indeed, cover a wide variety of vibration-related subjects, from wave problems in solid mechanics to vibration problems related to biomechanics. The first ICOVP conference was held in 1990 at A.C. College, Jalpaiguri, India, under the co-chairmanship of Professor M.M. Banerjee and Professor P. Biswas. Since then it has been held every 2 years at various venues across the World.
Vibration Problems in Machines: Diagnosis and Resolution
by Arthur W. LeesVibration Problems in Machines explains how to infer information about the internal operations of rotating machines from external measurements through methods used to resolve practical plant problems. Second edition includes summary of instrumentation, methods for establishing machine rundown data, relationship between the rundown curves and the ideal frequency response function. The section on balancing has been expanded and examples are given on the strategies for balancing a rotor with a bend, with new section on instabilities. It includes case studies with real plant data, MATLAB® scripts and functions for the modelling and analysis of rotating machines.
Vibrational (Springer Mineralogy)
by Nikita V. Chukanov Marina F. VigasinaThe book presents new data on the IR spectra of minerals and on the Raman spectra of more than 2000 mineral species. It also includes examples of IR spectroscopy applications to investigate minerals, and discusses the most important potential applications of Raman spectroscopy in mineralogical research. The book serves as a reference resource and a methodological guide for mineralogists, petrologists and technologists working in the field of inorganic materials.
Vibrational Optical Activity
by Laurence A. NafieThis unique book stands as the only comprehensive introduction to vibrational optical activity (VOA) and is the first single book that serves as a complete reference for this relatively new, but increasingly important area of molecular spectroscopy.Key features:A single-source reference on this topic that introduces, describes the background and foundation of this area of spectroscopy.Serves as a guide on how to use it to carry out applications with relevant problem solving.Depth and breadth of the subject is presented in a logical, complete and progressive fashion.Although intended as an introductory text, this book provides in depth coverage of this topic relevant to both students and professionals by taking the reader from basic theory through to practical and instrumental approaches.
Vibrational Spectra of Organometallics: Theoretical and Experimental Data
by Edward Maslowsky Jr.A comprehensive compilation of the available experimental and theoretical vibrational data for organometallic compounds and its role in evaluating the structures, bonding, and properties of these key compounds This unique book offers a thorough review of the literature dealing with vibrational data obtained using various phases, including matrices, reported for organometallic compounds from infrared spectra, Raman spectra, and several other techniques. It is the only one that compiles the available experimental and theoretical vibrational data on these compounds, and which discusses the importance of this information and its role in evaluating structures, bonding, and other important properties. It also treats the use of DFT and other theoretical calculations to analyze the vibrational data and to predict properties associated with these compounds. The book also includes vibrational data for organic species that form on metal and other surfaces. Vibrational Spectra of Organometallics: Theoretical and Experimental Data offers complete coverage of: Carbide, Alkylidyne, Alkylidene, Alkyl, and Alkane Derivatives; Noncyclic Carbon Clusters and Unsaturated Hydrocarbon Derivatives; and Cyclic, Unsaturated Organometallic Derivatives. By summarizing work that has already been done on organometallic compounds, it serves as an important reference for those studying their vibrational spectra and will, in the end, lead to a clearer understanding of other research that needs to be done in order to help researchers determine new research directions. An important reference for those studying the vibrational spectra of organometallic compounds Gathers the existing experimental and theoretical vibrational data and discusses its significance in assessing structures, bonding, and other principle properties Includes DFT methods for the interpretation of spectra, which has been one of the major developments of the last two decades Vibrational Spectra of Organometallics: Theoretical and Experimental Data is an important reference for researchers and practitioners in the areas of inorganic, organometallic, organic, and surface chemistry who have an interest in using vibrational data to characterize the bonding, composition, reactions, and structures of organometallic compounds, and organic species that are formed on various surfaces.
Vibrational Spectroscopy at Electrified Interfaces
by Carol Korzeniewski Björn Braunschweig Andrzej WieckowskiReviews the latest theory, techniques, and applicationsSurface vibrational spectroscopy techniques probe the structure and composition of interfaces at the molecular level. Their versatility, coupled with their non-destructive nature, enables in-situ measurements of operating devices and the monitoring of interface-controlled processes under reactive conditions.Vibrational Spectroscopy at Electrified Interfaces explores new and emerging applications of Raman, infrared, and non-linear optical spectroscopy for the study of charged interfaces. The book draws from hundreds of findings reported in the literature over the past decade. It features an internationally respected team of authors and editors, all experts in the field of vibrational spectroscopy at surfaces and interfaces. Content is divided into three parts:Part One, Nonlinear Vibrational Spectroscopy, explores properties of interfacial water, ions, and biomolecules at charged dielectric, metal oxide, and electronically conductive metal catalyst surfaces. In addition to offering plenty of practical examples, the chapters present the latest measurement and instrumental techniques.Part Two, Raman Spectroscopy, sets forth highly sensitive approaches for the detection of biomolecules at solid-liquid interfaces as well as the use of photon depolarization strategies to elucidate molecular orientation at surfaces.Part Three, IRRAS Spectroscopy (including PM-IRRAS), reports on wide-ranging systems-from small fuel molecules at well-defined surfaces to macromolecular complexes-that serve as the building blocks for functional interfaces in devices designed for chemical sensing and electric power generation.The Wiley Series on Electrocatalysis and Electrochemistry is dedicated to reviewing important advances in the field, exploring how these advances affect industry. The series defines what we currently know and can do with our knowledge of electrocatalysis and electrochemistry as well as forecasts where we can expect the field to be in the future.
Vibrations: With Applications To Mems And Nems (Solid Mechanics and Its Applications #184)
by Balakumar Balachandran Edward B. MagrabThis new edition explains how vibrations can be used in a broad spectrum of applications and how to meet the challenges faced by engineers and system designers. The text integrates linear and nonlinear systems and covers the time domain and the frequency domain, responses to harmonic and transient excitations, and discrete and continuous system models. It focuses on modeling, analysis, prediction, and measurement to provide a complete understanding of the underlying physical vibratory phenomena and their relevance for engineering design. Knowledge is put into practice through numerous examples with real-world applications in a range of disciplines, detailed design guidelines applicable to various vibratory systems, and over forty online interactive graphics provide a visual summary of system behaviors and enable students to carry out their own parametric studies. Some thirteen new tables act as a quick reference for self-study, detailing key characteristics of physical systems and summarizing important results. This is an essential text for undergraduate and graduate courses in vibration analysis, and a valuable reference for practicing engineers.
Vibrations and Acoustic Radiation of Thin Structures: Physical Basis, Theoretical Analysis and Numerical Methods
by Paul J. FilippiSound is produced by vibrations and as such can be dampened or augmented based on materials selection. This title looks at the effects of sound and vibration on thin structures and details how damage may be avoided, acoustical effects created, and sound levels controlled.
Vibrations and Stability: Advanced Theory, Analysis, and Tools
by Jon Juel ThomsenAn ideal text for students that ties together classical and modern topics of advanced vibration analysis in an interesting and lucid manner. It provides students with a background in elementary vibrations with the tools necessary for understanding and analyzing more complex dynamical phenomena that can be encountered in engineering and scientific practice. It progresses steadily from linear vibration theory over various levels of nonlinearity to bifurcation analysis, global dynamics and chaotic vibrations. It trains the student to analyze simple models, recognize nonlinear phenomena and work with advanced tools such as perturbation analysis and bifurcation analysis. Explaining theory in terms of relevant examples from real systems, this book is user-friendly and meets the increasing interest in non-linear dynamics in mechanical/structural engineering and applied mathematics and physics. This edition includes a new chapter on the useful effects of fast vibrations and many new exercise problems.
Vibrations and Waves
by Benjamin CrowellPart of the Light and Matter series of open source textbooks.