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Vibrations from Blasting: Workshop hosted by Fragblast 9 - the 9th International Symposium on Rock Fragmentation by Blasting

Collection of excellent articles presenting the latest developments in blast vibration measurements, modeling and mitigation techniques. Includes contributions on novel environmentally-induced vs blast-induced movements, non-conventional geophysical processing techniques, new modeling approaches, mitigation techniques using smarter blasting methods

Vibrations in the Production System: Measurement and Analysis with Water Jet Technology (SpringerBriefs in Applied Sciences and Technology)

This book presents the current situation in measurement and analysis of vibrations in production systems with the usage of water jet technology, focusing on sieve analysis and its principle of functioning. The authors compare the sizes of vibration accelerations amplitude with and without the usage of a narrow grain fraction. The data collection and frequency spectrum analysis presented form the basis for further research in this area. It is designed for researchers, educated public, students and university teachers with a technical focus on monitoring and diagnostics of technical equipment.

Vibrations of Elastic Systems

This work presents a unified approach to the vibrations of elastic systems as applied to MEMS devices, mechanical components, and civil structures. Applications include atomic force microscopes, energy harvesters, and carbon nanotubes and consider such complicating effects as squeeze film damping, viscous fluid loading, in-plane forces, and proof mass interactions with their elastic supports. These effects are analyzed as single degree-of-freedom models and as more realistic elastic structures. The governing equations and boundary conditions for beams, plates, and shells with interior and boundary attachments are derived by applying variational calculus to an expression describing the energy of the system. The advantages of this approach regarding the generation of orthogonal functions and the Rayleigh-Ritz method are demonstrated. A large number of graphs and tables are given to show the impact of various factors on the systems' natural frequencies, mode shapes, and responses.

Vibrations of Elastic Systems: With Multiphysics Applications (Solid Mechanics and Its Applications #184)

This book presents new topics such as Inerters in spring-mass models and attached to beams; fluid loading on beams, plates, and shells; bio-inspired vibration isolation and absorption; coupled bending and torsion of beams; beams with functionally graded materials; as well as a new chapter on the Mindlin/Timoshenko plate theory: rectangular and circular. New applications and enhancements to the previous edition include moving mass on beams; thin beams with attached pendulum; transient response of beams with in-span attachments; and shells to model blood flow in arteries.

Vibrations of mechanical systems with regular structure

Vibrations in systems with a periodic structure is the subject of many ongoing research activities. This work presents the analysis of such systems with the help of the theory of representation groups by finite element methods, dynamic Compliance and dynamic rigidness methods, specially adjusted for the analysis of engineering structures. The approach presented in this book permits a simplification and facilitates the understanding of mechanical vibrations in various structures. The book includes extended studies of even complicated machinery structures with an emphasis on flight vehicle engines.

Vibrations of Power Plant Machines: A Guide for Recognition of Problems and Troubleshooting

This book offers professionals working at power plants guidelines and best practices for vibration problems, in order to help them identify the respective problem, grasp it, and successfully solve it. The book provides very little theoretical information (which is readily available in the existing literature) and doesn’t assume that readers have an extensive mathematical background; rather, it presents a range of well-documented, real-world case studies and examples drawn from the authors’ 50 years of experience at jobsites. Vibration problems don’t crop up very often, thanks to good maintenance and support, but if and when they do, most power plants have very little experience in assessing and solving them. Accordingly, the case studies discussed here will equip power plant engineers to quickly evaluate the vibration problem at hand (by deciding whether the machine is at risk or can continue operating) and find a practical solution.

Vibrations of Rotating Machinery: Volume 2. Advanced Rotordynamics: Applications of Analysis, Troubleshooting and Diagnosis (Mathematics for Industry #16)

Building on the previous volume “Vibrations of Rotating Machinery - Volume 1. Basic Rotordynamics: Introduction to Practical Vibration Analysis,” this book is intended for all practical designers and maintenance experts who are responsible for the reliable manufacturing and operation of rotating machinery. It opens with the dynamics of oil film bearings and their influences on unbalance, vibration resonance and the stability of rotor whirl motion. Subsequently, the book introduces readers to vibration diagnosis techniques for traditional ball bearings and active vibration control from magnetic bearings. Case studies on vibration problems and troubleshooting in industrial turbo machines are then presented and explained, showing rotor designers how to eliminate instability and modify resonance characteristics. Torsional vibration and other coupled vibration phenomena are discussed, and vibration measurement techniques and related signal processing procedures for vibration diagnosis are provided. Our latest three topics are included, covering: (a) the importance of the modeling order reduction (MOR) technique; (b) the approximate evaluation for oil-wheel/whip instability; and (c) a systematic method for shafting-blading coupled vibration analyses. In closing, a 100-question trial test is supplied as an example of the certification of vibration experts based on the ISO standard.

Vibrations of Shells and Plates (Mechanical Engineering)

With increasingly sophisticated structures involved in modern engineering, knowledge of the complex vibration behavior of plates, shells, curved membranes, rings, and other complex structures is essential for today‘s engineering students, since the behavior is fundamentally different than that of simple structures such as rods and beams. Now in its

Vibrator and Slot Antenna Arrays for Modern Applications (Lecture Notes in Electrical Engineering #1244)

This book provides solutions to a complex of internal and external problems of electromagnetics associated with the development of theory, construction of mathematical models and the development of rigorous methods for calculating the electrodynamic characteristics of radiating structures and antenna arrays with impedance vibrator and slot elements. The issues related to the impedance synthesis of antenna arrays and analysis of large-aperture rectenna arrays are considered. Solutions to the problems of determining the electrodynamic characteristics of impedance vibrators, slot and multi-element radiators with arbitrary geometric and electrophysical parameters are obtained within the framework of a unified methodological approach to constructing asymptotic solutions of integral equations for currents. This approach made it possible to study a number of new vibrator, slotted, and combined vibrator-slotted structures and their multi-element systems. The original research results reveal the possibilities of using such structures as basic elements for creating modern antenna-waveguide devices operating in the range from meter to millimeter wavelengths which have new technical characteristics and functionalities. This book is intended for senior and postgraduate students and researchers working in the fields of radiophysics, radio engineering and antenna-feeder design. The book covers the following topics: Excitation of Electromagnetic Fields in Electrodynamic Volumes with Coordinate Boundaries General Aspects of the Theory of Thin Impedance Vibrators and Narrow Slots in a Quasi-One-Dimensional Approximation Impedance Vibrators Antenna Arrays Slotted Waveguide Antenna Arrays Combined Vibrator-Slot Antenna Arrays Impedance Synthesis for Vibrator Antenna Arrays Impedance Synthesis for Slot Antenna Arrays Large-Aperture Rectenna Arrays of Wireless Power Transmission Systems Ultrawideband Combined Vibrator-Slot Antenna Arrays

Vibro-Acoustics: Fundamentals and Applications

The subject of vibro-acoustics is important for the design of machine elements and structures, to minimize sound generated by them. For better machine designing, it is necessary for machine designers (mechanical engineers) to have a thorough knowledge of vibro-acoustics. Furthermore, since the design cycles of machines have become shorter, designers will have to design quiet machines at the drawing-board stage rather than applying "band-aid" techniques after the machine has been built. Although there is common ground in the treatment of acoustics, the subject of vibration is not very fortunate. Those interested in low-frequency vibration are generally concerned with the modal approach of using natural frequencies and mode shapes, whereas those interested in vibro-acoustics in medium and high frequencies are generally concerned with the wave approach. Since both modal and wave approaches have their advantages, it is a good idea to study both together to get the best out of them. This is useful for a better understanding the physics of vibro-acoustics. Written for students and professionals interested in gaining knowledge, this book systematically integrates the relevant aspects of vibro-acoustics from various viewpoints.

Vibro-Acoustics of Lightweight Sandwich Structures

Vibro-Acoustics of Lightweight Sandwich Structures introduces the study of the coupled vibration and acoustic behavior of lightweight sandwich structures in response to harmonic force and sound pressure. This book focuses on the theoretical modeling and experimental investigation of lightweight sandwich structures in order to provide a predictive framework for vibro-acoustic characteristics of typical engineering structures. Furthermore, by developing solution tools, it concentrates on the influence of key systematic parameters leading to effective guidance for optimal structure design toward lightweight, high-stiffness and superior sound insulation capability. This book is intended for researchers, scientists, engineers and graduate students in mechanical engineering especially in structural mechanics, mechanics and acoustics. Fengxian Xin and Tianjian Lu both work at the School of Aerospace, Xi'an Jiaotong University.

Vibro-Acoustics, Volume 1

This three-volume book gives a thorough and comprehensive presentation of vibration and acoustic theories. Different from traditional textbooks which typically deal with some aspects of either acoustic or vibration problems, it is unique of this book to combine those two correlated subjects together. Moreover, it provides fundamental analysis and mathematical descriptions for several crucial phenomena of Vibro-Acoustics which are quite useful in noise reduction, including how structures are excited, energy flows from an excitation point to a sound radiating surface, and finally how a structure radiates noise to a surrounding fluid. Many measurement results included in the text make the reading interesting and informative. Problems/questions are listed at the end of each chapter and the solutions are provided. This will help the readers to understand the topics of Vibro-Acoustics more deeply. The book should be of interest to anyone interested in sound and vibration, vehicle acoustics, ship acoustics and interior aircraft noise. This is the first volume, and covers the following topics: Mechanical systems with one degree of freedom, Frequency domain, Waves in solids, Interaction between longitudinal and transverse waves, General wave equation, Wave attenuation due to losses and transmission across junctions, Longitudinal vibrations of finite beams, Flexural vibrations of finite beams, Flexural vibrations of finite plates.

Vibro-Acoustics, Volume 3

Vibroacoustic Simulation: An Introduction to Statistical Energy Analysis and Hybrid Methods

VIBROACOUSTIC SIMULATION Learn to master the full range of vibroacoustic simulation using both SEA and hybrid FEM/SEA methods Vibroacoustic simulation is the discipline of modelling and predicting the acoustic waves and vibration of particular objects, systems, or structures. This is done through finite element methods (FEM) or statistical energy analysis (SEA) to cover the full frequency range. In the mid-frequency range, both methods must be combined into a hybrid FEM/SEA approach. By doing so, engineers can model full frequency vibroacoustic simulations in complex technical systems used in aircraft, trains, cars, ships, and satellites. Indeed, hybrid approaches are increasingly used in the automotive, aerospace, and rail industries. Previously covered primarily in scientific journals, Vibroacoustic Simulation provides a practical approach that helps readers master the full frequency range of vibroacoustic simulation. Through a systematic approach, the book illustrates why both FEM and SEA are necessary in acoustic engineering and how both can be used in combination through hybrid methodologies. Striking a crucial balance between complex theories and practical applications, the text provides real-world examples of vibroacoustic simulation, such as fuselage simulation, interior-noise prediction for electric and combustion vehicles, train profiles, and more, to help elucidate the concepts described within. Vibroacoustic Simulation also features: A balance of complex theories with the nuts and bolts of real-world applications Detailed worked examples of junction equations Case studies from companies like Audi and Airbus that illustrate how the methods discussed have been applied in real-world projects A companion website that provides corresponding Python codes for all examples, allowing readers to work through the examples on their own Vibroacoustic Simulation is a useful reference for acoustic and mechanical engineers working in the automotive, aerospace, defense, or rail industries, as well as researchers and graduate students studying acoustics.

Vicki Cobb's Why Do I Dry Off?: STEM Kids Discover the Science of Evaporation (STEM Play)

How do you dry off? Find out how in this new, colorful, easy-to-read STEM book! &“STEM&” is an acronym for Science, Technology, Engineering, and Math. Though these subjects are incredibly important to both education and society as a whole, they are often overlooked, especially after primary education is complete. A goal of this book is to introduce STEM to kids and make them excited about learning these central subjects. In Why Do I Dry Off?, your child will learn all about evaporation and the process of liquid changing into gas, an important part of the water cycle. Accomplished author and educator Vicki Cobb teaches your child all about this important aspect of STEM, while still making it fun and entertaining through bright illustrations, easy-to-understand language, and experiments broken down step-by-step. Your child will be so enthralled, they won&’t even realize they&’re learning! Introduce your child to vital STEM subjects and encourage them to learn about the world around them with Why Do I Dry Off?!

Vicki Cobb's Why Does My Ice Cream Melt?: Smart Answers to STEM Questions (STEM Play)

Why does ice cream melt? Find out how in this new, colorful, easy-to-read STEM book! &“STEM&” is an acronym for Science, Technology, Engineering, and Math. Though these subjects are incredibly important to both education and society as a whole, they are often overlooked, especially after primary education is complete. A goal of this book is to introduce STEM to kids and make them excited about learning these central subjects. In Why Does My Ice Cream Melt?, your child will learn all about the states of water, including the water cycle. Accomplished author and educator Vicki Cobb teaches your child all about this important aspect of STEM, while still making it fun and entertaining through bright illustrations, easy-to-understand language, and experiments broken down step-by-step. Your child will be so enthralled, they won&’t even realize they&’re learning! Introduce your child to vital STEM subjects and encourage them to learn about the world around them with Why Does My Ice Cream Melt?!

Victim Prime (Victim #2)

In 2092 the world&’s ecology is in ruins, drought and famine are widespread, and survival is a never-ending challenge. Harold Erdman leaves his dying community with one goal: to make his way to Esmeralda, an island paradise run by the Huntworld Corporation, which has turned public murder among willing competitors into a thriving and lucrative business. Can he survive the journey and the many rounds of deadly competition on his way to the Big Payoff? His neighbors&’ lives, as well as his own, hang in the balance. Hilarious, savagely funny, and imaginative, this is Sheckley at his best! From the very beginning of his career, Robert Sheckley was recognized by fans, reviewers, and fellow authors as a master storyteller and the wittiest satirist working in the science fiction field. Open Road is proud to republish his acclaimed body of work, with nearly thirty volumes of full-length fiction and short story collections. Rediscover, or discover for the first time, a master of science fiction who, according to the New York Times, was &“a precursor to Douglas Adams.&”

Victims of Fashion (Science in History)

Animal products were used extensively in nineteenth-century Britain. A middle-class Victorian woman might wear a dress made of alpaca wool, drape herself in a sealskin jacket, brush her hair with a tortoiseshell comb, and sport feathers in her hat. She might entertain her friends by playing a piano with ivory keys or own a parrot or monkey as a living fashion accessory. In this innovative study, Helen Cowie examines the role of these animal-based commodities in Britain in the long nineteenth century and traces their rise and fall in popularity in response to changing tastes, availability, and ethical concerns. Focusing on six popular animal products – feathers, sealskin, ivory, alpaca wool, perfumes, and exotic pets – she considers how animal commodities were sourced and processed, how they were marketed and how they were consumed. She also assesses the ecological impact of nineteenth-century fashion.

The Victorian Internet: The Remarkable Story of the Telegraph and the Nineteenth Century's On-line Pioneers

he Victorian Internet tells the colorful story of the telegraph's creation and remarkable impact, and of the visionaries, oddballs, and eccentrics who pioneered it, from the eighteenth-century French scientist Jean-Antoine Nollet to Samuel F. B. Morse and Thomas Edison.

Victorian Material Culture

From chatelaines to whale blubber, ice making machines to stained glass, this six-volume collection will be of interest to the scholar, student or general reader alike - anyone who has an urge to learn more about Victorian things. The set brings together a range of primary sources on Victorian material culture and discusses the most significant developments in material history from across the nineteenth century. The collection will demonstrate the significance of objects in the everyday lives of the Victorians and addresses important questions about how we classify and categorise nineteenth-century things. This collection brings together a range of primary sources on Victorian material and culture. This third volume, ‘Invention and Technology’, will look at a variety of Victorian inventions, both foundational and short-lived.

Victorian Telegraphy Before Nationalization

Victorian Telegraphy Before Nationalization.

The Victorians: Volume 1

The Victorians: A Botanical Perspective, Volume 1 offers a unique re-evaluation of the Victorian Age and presents a new historiography based on plants. It examines the use of gutta-percha in the development of electrical measurements; provides a detailed history of cocoa and the forced labor in the São Tomé and Príncipe Islands; explores the beauty, imagination, and order of William and May Morris’ flowers; uncovers the world of Charles Darwin and the Victorian Botany Culture; highlights the crucial role of the Wardian Case in the global transport of plants; reveals the connection between Mid-Victorian Botany and Microscopy; offers glimpses of the colonial collections at the 1862 London Exhibition; explains how botany was connected with the development of photography; evokes the desire for a return to Nature and a simple life; and, finally, takes us on a journey through the history of violets.

The Vicuña

The vicuña is one of the few success stories of wildlife conservation. The focus is now shifting from protection to sustainable use. Internationally, policy development has followed the community-based conservation paradigm, which holds that economic benefits from wildlife management practices bring greater commitment on the part of local communities to protect both the species and its habitat. This book takes the position that sustainability is not guaranteed by sustainable use, and that both education and regulation are required to prevent the proliferation of unsustainable practices. The research from the countries presented in this book demonstrate the animal welfare, ecological, economic, social, and conservation trade-offs, which exist between different management systems. This links economics, social and conservation research to provide a unique insight into the viability of community-based wildlife management of a species which until recently was viewed simply as a conservation priority.

Video-Based Action Research: A Guide to Incorporating Video Analysis Into Reflective Practice for Teacher Development

This book introduces the use of video analysis into the popular educational research model of action research. Video analysis has become increasingly common in teacher development for reflective practice, as well as within the teacher certification process as an assessment tool. Kimberly Lebak builds on this use of video with a model that integrates the opportunities afforded by action research and video analysis for meaningful teacher development. Her "how-to" guide brings the theoretical and practical together to show teachers how video can be a concrete artifact for unpacking and reflecting on the complexities inherent in educational contexts.Chapter content helps readers bridge the gap between research and practice. Examples of tools that can be used for getting started with video-based action research are embedded in the chapters, including planning tools to help pinpoint opportunities for using video to identify a meaningful research topic and develop a data collection plan and action plan; and reflective tools for viewing the videos from multiple perspectives. Teacher vignettes further cement the applicability of the video-based action research model.This book is ideal for use by teachers at all stages of their careers, including pre-service teachers just embarking on their careers and in-service teachers looking to examine and improve their practices along with the learning of their students. It will have an additional benefit in teacher education programs as well as in undergraduate- or graduate-level action research courses by academic researchers and teacher educators.

Video Based Machine Learning for Traffic Intersections

Video Based Machine Learning for Traffic Intersections describes the development of computer vision and machine learning-based applications for Intelligent Transportation Systems (ITS) and the challenges encountered during their deployment. This book presents several novel approaches, including a two-stream convolutional network architecture for vehicle detection, tracking, and near-miss detection; an unsupervised approach to detect near-misses in fisheye intersection videos using a deep learning model combined with a camera calibration and spline-based mapping method; and algorithms that utilize video analysis and signal timing data to accurately detect and categorize events based on the phase and type of conflict in pedestrian-vehicle and vehicle-vehicle interactions. The book makes use of a real-time trajectory prediction approach, combined with aligned Google Maps information, to estimate vehicle travel time across multiple intersections. Novel visualization software, designed by the authors to serve traffic practitioners, is used to analyze the efficiency and safety of intersections. The software offers two modes: a streaming mode and a historical mode, both of which are useful to traffic engineers who need to quickly analyze trajectories to better understand traffic behavior at an intersection. Overall, this book presents a comprehensive overview of the application of computer vision and machine learning to solve transportation-related problems. Video Based Machine Learning for Traffic Intersections demonstrates how these techniques can be used to improve safety, efficiency, and traffic flow, as well as identify potential conflicts and issues before they occur. The range of novel approaches and techniques presented offers a glimpse of the exciting possibilities that lie ahead for ITS research and development. Key Features: Describes the development and challenges associated with Intelligent Transportation Systems (ITS) Provides novel visualization software designed to serve traffic practitioners in analyzing the efficiency and safety of an intersection Has the potential to proactively identify potential conflict situations and develop an early warning system for real-time vehicle-vehicle and pedestrian-vehicle conflicts