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Books > Professional & Technical > Technology: general issues > Technical design
Tribology is an unfamiliar term for many, but is experienced by all. It is the science of friction, wear and lubrication of contacting surfaces in relative motion. The aim of this book is to introduce the fundamentals of tribology as well as its challenges in extreme operating conditions. The book comprises a historical background and an introduction to familiarize both undergraduate and postgraduate readers with such an important topic. It addresses a comprehensive coverage of classical tribology of solid contacts, friction mechanics, wear mechanisms and lubrication technologies. The tribology of polymer composites, MEMS and NEMS are explored. In addition, tribology of automotive components is presented, as are tribological applications in many practical situations.Various test methods used in evaluating wear are reviewed. Diverse techniques applied in predicting wear behavior by mathematical models, FE modeling and ANN approach are discussed. The book reviews key features of extraordinary conditions associated with, but not limited to, harsh environments, severe sliding and poor lubrication challenges. A basic understanding of failure modes in tribological systems is covered. The state-of-the-art research on tribology under these extreme conditions is extensively discussed, which will be of interest to researchers. The book highlights solutions for extreme tribology problems and provides an overview of various factors affecting tribosystems in harsh conditions.
New Ergonomics Perspective represents a selection of the papers presented at the 10th Pan-Pacifi c Conference on Ergonomics (PPCOE), held in Tokyo, Japan, August 25-28, 2014. The first Pan-Pacific Conference on Occupational Ergonomics was held in 1990 at the University of Occupational and Environmental Health, Japan. The main theme of the PPCOE 1990 was "Searching for Solutions to Occupational Problems." The successful meetings have taken place in 1990 (Kitakyushu, Japan), 1992 (Wuhan, China), 1994 (Seoul, Korea), 1996 (Taipei, Taiwan), 1998 (Kitakyushu, Japan), 2001 (Beijing, China), 2004 (Cairns, Australia), 2007 (Bangkok, Thailand) and 2010 (Kaohsiung, Taiwan). After two decades of collective endeavors, the conferences have established globally recognized excellence in scientific and professional contributions. Now, PPCOE activities are entering a new stage after a quarter century of history. Fortunately, participants of the PPCOE Final in Tokyo are eager to take a first step on the road to its rebirth: the establishment of a new, mature PPCOE. PPCOE pursues ergonomics as a practical science, covering a broad spectrum of up-to-date and comprehensive ergonomics issues. This book was organized into six thematic chapters, including Aging and Occupational Safety, Workplace Ergonomics, Occupational Ergonomics, Healthcare and Special Populations, Human Computer Interaction and Current Issues and Ergonomics Approach.
This volume presents a scientific and practical trend in lifelong education, which focuses on "human activity". This trend is particularly apparent in French speaking countries where a seminal tradition of ergonomics, born in the middle of the 20th century, produced studies about work and workers' activity in various contexts. Results demonstrate that working activity, firstly, is always complex, creative and enigmatic despite the efforts done by the designers to create prescribing working environments and by managers to control production procedures, and secondly, cannot be understood without specific field studies about real work. This approach influenced adult educational researchers and trainers to develop programs in order to help trainers to better know human activity and its transformations in various social practices (and not only in working context). It also helps them to design learning environments accompanying human activity transformations at various time scales. The chapters in this volume present a range of original studies on human activity in various social practices, such as tourism, theatre prop-makers in opera, manual job environments, management in a small company, high level athletes illegal practices, school teaching and finally during teachers retirement ceremonies. These studies of the relationships between social practices and human activity and its transformations, give empirical and conceptual bases for designing programs aimed at emphasizing and accompanying specific individual and collective learning, and human development in a lifelong perspective. This book was published as a special issue of International Journal of Lifelong Education.
Applied Ergonomics is a concise text focusing on the practical applications of ergonomics and is derived from the annual, ground-breaking, successful conference of the same name. This is not a conference proceedings but a text of applications, filling a niche in the ergonomics professional market for a book that is strong on the applications side of the field rather than the purely academic. This book covers a range of topics related to applications in engineering, medicine, and health & safety, and incorporates a number of case studies and examples. The book is split into a number of thematic sections which focus on support and service jobs, ergonomics in the office, health management and design. Within these sections are chapters on the use of the Internet, ergonomics programs, and the economics of ergonomics. Those involved with the application of ergonomics techniques will find this collection both informative and interesting.
This special issue contains essays regarding the CHI '95 conference, which featured a panel titled, Discount or Disservice? Discount Usability Analysis: Evaluation at a Bargain Price or Simply Damaged Merchandise? Wayne Gray, who organized the panel, presented a controversial critique of studies that had evaluated various usability evaluation methods (UEMs). The level of interest in this discussion led Gray to propose a review article that dealt with the issues in a more systematic fashion. The resulting essay, written by Gray and his collaborator Marilyn Salzman, conducted an in-depth review of a series of influential studies that used experimental methods to compare a variety of UEMs. Gray and Salzman's analysis was framed using Cook and Campbell's (1979) well-known discussion of various forms of validity. They used this to evaluate numerous details of these comparative studies, and they concluded that the studies fell short on the criteria by which good experimental studies are designed and interpreted.
Urban theory traditionally links modernity to the city, to the historical emergence of certain forms of subjectivity and the rise of important developments in culture, arts and architecture. This is often in response to technological, economic and societal transformations in the nineteenth- and early twentieth-centuries in select Euro-American metropolises. In contrast, non-Western cities in the modern period are often considered through the lens of Westernization and development. How do we account for urban modernity in "other" cities? This book seeks to highlight cultural creativity by examining the diverse and shifting ways Istanbulites have defined themselves while they debate, imagine, build and consume their city. It focuses on a series of exhibitionary sites, from print press/photography, cinema/films, exhibitions of architectural heritage, theme parks and museums, and explores the links between these popular depictions through shared practices of representation. In doing so it argues that understanding how the future is imagined through images and interpretations of the past can broaden current theoretical thinking about Istanbul and other cities. In line with postcolonial calls for a comparative urbanism that decouples understanding of the modern from its privileged association with Western cities, this book offers a new perspective on the lens of urban modernity. It will appeal to urban geographers and historians, cultural studies scholars, art historians and anthropologists as well as planners, architects and artists.
How Does the Body's Motor Control System Deal with Repetition? While the presence of nonlinear dynamics can be explained and understood, it is difficult to be measured. A study of human movement variability with a focus on nonlinear dynamics, Nonlinear Analysis for Human Movement Variability, examines the characteristics of human movement within this framework, explores human movement in repetition, and explains how and why we analyze human movement data. It takes an in-depth look into the nonlinear dynamics of systems within and around us, investigates the temporal structure of variability, and discusses the properties of chaos and fractals as they relate to human movement. Providing a foundation for the use of nonlinear analysis and the study of movement variability in practice, the book describes the nonlinear dynamical features found in complex biological and physical systems, and introduces key concepts that help determine and identify patterns within the fluctuations of data that are repeated over time. It presents commonly used methods and novel approaches to movement analysis that reveal intriguing properties of the motor control system and introduce new ways of thinking about variability, adaptability, health, and motor learning. In addition, this text: Demonstrates how nonlinear measures can be used in a variety of different tasks and populations Presents a wide variety of nonlinear tools such as the Lyapunov exponent, surrogation, entropy, and fractal analysis Includes examples from research on how nonlinear analysis can be used to understand real-world applications Provides numerous case studies in postural control, gait, motor control, and motor development Nonlinear Analysis for Human Movement Variability advances the field of human movement variability research by dissecting human movement and studying the role of movement variability. The book proposes new ways to use nonlinear analysis and investigate the temporal structure of variability, and enables engineers, movement scientists, clinicians, and those in related disciplines to effectively apply nonlinear analysis in practice.
This case book focuses on the leadership style of the key players. The 29 cases were chosen to present all facets of a model of leadership, stating that the most effective leaders are both transformational and transactional in their leadership style. Cases were selected for inclusion and/or developed to provide examples of leaders from across the spectrum of public and private sectors. Specific emphasis was placed on selecting male and female leaders from a broad array of cultures. A great deal has been written about a model of leadership that is referred to as a "full range" of leadership potential. This book adds to the literature, by highlighting specific people who exemplify the various styles and orientations regarding a full range of leadership potential. The book begins with an overview of what constitutes transactional and transformational leadership. This discussion is then expanded to include a Full Range of Leadership PotentialTM. Discussion of the cases highlight how to build balance in one's leadership profile to optimize the potential of leaders, followers, and their organizations. The presence or absence of styles in a wide variety of contexts will be discussed in terms of the effects on individuals, groups, or organizations. Questions are posed for discussion of each case. Practitioners who conduct or facilitate the training of leadership will find this book quite useful to their work. In addition, managers interested in developing their own leadership potential will be enabled to learn by example how different styles affect leadership performance. This book can also be used as a supplement to other books on leadership for undergraduate, graduate, and executive education courses in management.
Originally published in 1993, over 16,000 tradename surface-active agents for industrial applications, manufactured worldwide, are contained in this edition. General-use surfactants, such as emulsifiers, wetting agents, foaming agents, detergents, dispersants, and solubilizers are included, as well as detergent raw materials, defoamers, and antifoaming agents. The types and quantities of surfactants available commercially are numerous and the difficulty in making choices between products may become overwhelming. It is the purpose of this book to guide those who are involved in the selection of these materials through the procecss of identifying, classifying, and selecting the most appropriate products for their requirements. Therefore, this reference is organized so that the user can search for and locate products based on a variety of essential distinguishing attributes.
Parametric Design for Landscape Architects provides a sequence of tutorial-based workflows for the creation and utilization of algorithmic tools calibrated toward the field of landscape architecture. Contemporary practice and projective theory in landscape architecture require the processing and design of data associated with complex systems to adequately represent composite, emergent scenarios. Aligning to both traditional and nascent processes of analysis and digital modeling, this book unpacks and decodes the characterization of algorithmic-based automation, leveraging software that is widely accessible in both academia and professional practice. Curated throughout are workflows that apply to a multiplex of computation programs that widely support the design, analysis, and production of landscapes, primarily concentrated on digital modeling tools Grasshopper and Rhinoceros. It is a much-needed, visually accessible resource to aid in more efficient understanding and creation of tools that automate and re-examine traditional calculations, analyses, drawing standards, form-finding strategies, fabrication preparations, and speculative assessments/simulation. This primer provides professionals and students with multifaceted skill-sets that, when applied in practice, expand and expedite conventional and speculative design workflows applicable to spatial design, and more specifically landscape architecture. The book includes over 200 full-colour drawings, images, and tables to illustrate and support examples throughout.
Engineering Science is a comprehensive textbook suitable for all vocational and pre-degree courses in engineering, being fully in line with the latest vocational courses at Level 2 and leading into Level 3. Taking a subject-led approach, engineering students will find the essential scientific principles necessary for their studies, developed topic by topic. Unlike most textbooks available for this field, it goes beyond the core science to include applications in the real world and the mechanical and electrical principles required for the majority of courses. It is supported by numerous worked examples and problems, with a complete set of answers. This new edition gives a detailed consideration of the basic arithmetic, algebraic and graphical methods needed in engineering courses so that it conforms completely with sections A and B of the BTEC Level 2 unit, and it provides the basic tools for the science that follows. A new chapter introduces the basic principles of calculus and more material is given on applications. This includes typical properties of materials and a discussion on the way properties of materials over the ages have changed the basic structures of bridges, weightlessness, snooker, thermal insulation and LEDs, as well as buildings, with a particular look at the engineering behind the collapse of the World Trade Centre.
Improvements in health care and quality of life in recent years have led to a marked aging of the world's population, especially in well-developed regions. In the near future, this problem will spread to developing countries. The growing need to promote the health and function of aging workers presents new challenges as well as new opportunities. This book examine methods for diagnosing and evaluating work ability/employability in response to the changing capacity of employment. Derived from a Conference on Aging and Work, held in Japan in September 2001, the book examines issues addressed by occupational health professionals to improve the work ability of elderly employees, and discusses measures to promote their employment. Aging and Work will be of particular interest to professionals and students in the fields of occupational health, ergonomics, mechanical engineering, work physiology and industrial psychology.
For over forty years, Materials for Engineers and Technicians has given thousands of students an easily accessible introduction to materials engineering and manufacturing processes. This renowned text is a comprehensive overview of the wide-ranging subject area, written in a straightforward, readable style. It is devoid of excessive jargon and mathematical complexity, and retains a practical down-to-earth approach. This expanded edition references specifications for materials and materials testing that have been updated to include European-wide standards of the EU. More applications of materials and case studies have been included. New content discusses the choice of materials and processes in relation to 3D printing and the importance of materials recycling and sustainability. The increased emphasis on the selection of materials reflects this aspect of materials engineering now seen within current vocational and university courses. In addition to meeting the requirements of vocational and undergraduate engineering syllabuses, this text also serves as a valuable desktop reference for professional engineers working in product design who require a quick source of information on materials and manufacturing processes.
Real People, Real Problems, Real Solutions offers a clear
introduction to psychoanalytic practice from a Kleinian perspective
and shows how the modern Kleinian works with the most taxing and
least conforming of their patients.
Ergonomics (ergos - work; nomos - laws) and Human Factors have almost identical characteristics and identities and have both developed in similar ways, within the same period, and for the same reasons. The Ergonomics philosophy is the amalgamation of information from psychology, physiology and engineering to enable the environment to be designed to 'fit' the person. Ergonomics and Human Factors evolved at around the time of World War II, when fighting and defensive machines were being built far beyond the capacities and capabilities of the operators.The selection of papers included in these volumes present a corpus of material to enable the reader to obtain an overview of the subject through the writings of significant authors and reviewers in the field. Four main aspects of the working situation and of the human operator within that situation have been taken into consideration when selecting the articles for these volumes; the physical characteristics of the operator's body when 'fitting' the system, the operator's cognitive abilities when interacting with the system, the social situation in which the system operates, and the environmental features that 'surround' the system.
Critically deploying the idea of uneven and combined development this book provides a novel non-Eurocentric account of Iran's experience of modernity and revolution. Recasting Iranian Modernity presents the argument that Eurocentrism can be decisively overcome through a social theory that has international relations at its ontological core. This will enable a conception of history in which there is an intrinsic international dimension to social change that prevents historical repetition. This hitherto under-theorized international dimension is, the book argues, manifest in combined patterns of development, which incorporate both foreign and native forms. It is the tension-prone and unstable nature of these hybrid developmental patterns that mark Iranian modernity, and fuelled the socio-political dynamics of the 1979 revolution and the rise of political Islam. Challenging solely comparative approaches to the Iranian Revolution that explain it away as either a deviation from, or a reaction to, modernity on the grounds of its religious form, this book will be valuable to those interested in an alternative theoretical approach to the Iranian Revolution, modern Iran and political Islam, working in the fields of International Relations, Middle East and Islamic Studies, History, Political Science, Political Sociology, Postcolonialism, and Comparative Politics.
Builders of the Vision traces the intellectual history and contemporary practices of Computer-Aided Design (CAD) and Numerical Control since the years following World War II until today. Drawing from primary archival and ethnographic sources, it identifies and documents the crucial ideas shaping digital design technologies since the first numerical control and CAD systems were developed under US Air Force research contracts at MIT between 1949 and 1970: the cybernetic theorization of design as a human-machine endeavor; the vision of computers as "perfect slaves" taking care of the drudgery of physical labor; the techno-social utopias of computers as vehicles of democracy and social change; the entrepreneurial urge towards design and construction integration; and the managerial ideologies enabling today's transnational geographies of practice. Examining the contrasting, and often conflicting, sensibilities that converge into CAD and BIM discourses - globalism, utopianism, entrepreneurialism, and architects' desires for aesthetic liberation - Builders of the Vision shows that software systems and numerically controlled machines are not merely "instruments," or "tools," but rather versatile metaphors reconfiguring conceptions of design, materiality, work, and what it means to be creative. Crucially, by revealing software systems as socio-technical infrastructures that mediate the production of our built environments, author Daniel Cardoso Llach builds a strong case for the fields of architecture, media, and science and technology studies to critically engage with both the politics and the poetics of technology in design. Builders of the Vision will be essential reading for scholars and practitioners across disciplines interested in the increasingly complex socio-technical systems that go into imagining and building of our artifacts, buildings, and cities.
Offering a unique perspective on vehicle design and on new developments in vehicle technology, this book seeks to bridge the gap between engineers, who design and build cars, and human factors, as a body of knowledge with considerable value in this domain. The work that forms the basis of the book represents more than 40 years of experience by the authors. Human Factors in Automotive Engineering and Technology imparts the authors' scientific background in human factors by way of actionable design guidance, combined with a set of case studies highly relevant to current technological challenges in vehicle design. The book presents a novel and accessible insight into a body of knowledge that will enable students, professionals and engineers to add significant value to their work.
Statistical Inference via Data Science: A ModernDive into R and the Tidyverse provides a pathway for learning about statistical inference using data science tools widely used in industry, academia, and government. It introduces the tidyverse suite of R packages, including the ggplot2 package for data visualization, and the dplyr package for data wrangling. After equipping readers with just enough of these data science tools to perform effective exploratory data analyses, the book covers traditional introductory statistics topics like confidence intervals, hypothesis testing, and multiple regression modeling, while focusing on visualization throughout. Features: Assumes minimal prerequisites, notably, no prior calculus nor coding experience Motivates theory using real-world data, including all domestic flights leaving New York City in 2013, the Gapminder project, and the data journalism website, FiveThirtyEight.com Centers on simulation-based approaches to statistical inference rather than mathematical formulas Uses the infer package for "tidy" and transparent statistical inference to construct confidence intervals and conduct hypothesis tests via the bootstrap and permutation methods Provides all code and output embedded directly in the text; also available in the online version at moderndive.com This book is intended for individuals who would like to simultaneously start developing their data science toolbox and start learning about the inferential and modeling tools used in much of modern-day research. The book can be used in methods and data science courses and first courses in statistics, at both the undergraduate and graduate levels.
Ergonomics and human factors is the discipline concerned with the application of scientifc knowledge to improve people's interaction with products, systems and environments. This book presents the proceedings of the international conference, Ergonomics & Human Factors 2015, the 29th year in which a volume in the Contemporary Ergonomics series has appeared. In addition to being the leading event in the UK that features ergonomics and human factors across all sectors, this is also the annual conference of the Chartered Institute of Ergonomics and Human Factors (CIEHF). The scope and breadth of ergonomics and human factors continues to expand at a rapid pace. Contemporary Ergonomics and Human Factors 2015 reflects many of these developments and includes contributions covering the latest work in healthcare, transportation, defence, stress, manufacturing, design, and health and safety. There are also developments in data analytics, culture and complexity. This book also celebrates the long tradition of work in ergonomics and human factors which began with the formation of the Ergonomics Research Society in 1949 and culminated in 2015 with a Royal Charter. This has conferred recognition, at the highest level, of the uniqueness and value of our scientifc discipline and the preeminent role of the Chartered Institute of Ergonomics and Human Factors in representing both the discipline and the profession. As well as being of interest to mainstream ergonomists and human factors specialists, Contemporary Ergonomics and Human Factors 2015 will appeal to those concerned with people's interaction with their working and leisure environment, including designers, manufacturing and production engineers, health and safety specialists, occupational, applied and industrial psychologists, and applied physiologists.
This text is an established bestseller in engineering technology programs, and the Seventh Edition of Applied Strength of Materials continues to provide comprehensive coverage of the mechanics of materials. Focusing on active learning and consistently reinforcing key concepts, the book is designed to aid students in their first course on the strength of materials. Introducing the theoretical background of the subject, with a strong visual component, the book equips readers with problem-solving techniques. The updated Seventh Edition incorporates new technologies with a strong pedagogical approach. Emphasizing realistic engineering applications for the analysis and design of structural members, mechanical devices, and systems, the book includes such topics as torsional deformation, shearing stresses in beams, pressure vessels, and design properties of materials. A "big picture" overview is included at the beginning of each chapter, and step-by-step problem-solving approaches are used throughout the book. FEATURES Includes "the big picture" introductions that map out chapter coverage and provide a clear context for readers Contains everyday examples to provide context for students of all levels Offers examples from civil, mechanical, and other branches of engineering technology Integrates analysis and design approaches for strength of materials, backed up by real engineering examples Examines the latest tools, techniques, and examples in applied engineering mechanics This book will be of interest to students in the field of engineering technology and materials engineering as an accessible and understandable introduction to a complex field.
How Can Reliability Analysis Impact Your Company's Bottom Line? While reliability investigations can be expensive, they can also add value to a product that far exceeds its cost. Affordable Reliability Engineering: Life-Cycle Cost Analysis for Sustainability & Logistical Support shows readers how to achieve the best cost for design development testing and evaluation and compare options for minimizing costs while keeping reliability above specifications. The text is based on the premise that all system sustainment costs result from part failure. It examines part failure in the design and sustainment of fielded parts and outlines a design criticality analysis procedure that reflects system design and sustainment. Achieve the Best Cost for Life-Cycle Sustainment Providing a framework for managers and engineers to develop and implement a reliability program for their organizations, the authors present the practicing professional with the tools needed to manage a system at a high reliability at the best cost. They introduce analytical methods that provide the methodology for integrating part reliability, failure, maintainability, and logistic math models. In addition, they include examples on how to run reliability simulations, highlight tools that are commercially available for such analysis, and explain the process required to ensure a design will meet specifications and minimize costs in the process. This text: Demonstrates how to use information gathered from reliability investigations Provides engineers and managers with an understanding of a reliability engineering program so that they can perform reliability analyses Seeks to resolve uncertainty and establish the value of reliability engineering Affordable Reliability Engineering: Life-Cycle Cost Analysis for Sustainability & Logistical Support focuses on reliability-centered maintenance and is an ideal resource for reliability engineers and managers. This text enables reliability professionals to determine the lowest life-cycle costs for part selection, design configuration options, and the implementation of maintenance practices, as well as spare parts strategies, and logistical resources.
Originally published 1967, this title reveals how the missionaries, so often misguided and short-sighted, were in fact pioneers of modernization, science and freedom. The structure of the book allows for comparative analysis and the volume illustrates how some of the social consequences of action through the schools could be foreseen. In addition light is thrown on the results of Imperial rule during the nineteenth century and on the nature of the impact of Western education in Asia and Africa.
In most industries, musculoskeletal injuries are the most common work-related reason for employee absences. These injuries are often caused by static postures or repetitive movements that have to be maintained for many hours a day, such as intensive use of data entry devices, assembly work, parts inspection, equipment maintenance, manual materials handling, machinery operations, and vehicle operation, among others. The book addresses seating concepts, hand tool and pedal designs, foot-floor interfaces, digital human models for computer-aided design and engineering, and work organization (task duration, breaks, handling frequency) as they affect human performance and musculoskeletal injury reduction. Professionals responsible for identifying and improving conditions in the industries where such workplace injuries occur will find this volume to be a handy sourcebook, while teachers and students will find it to be a valuable reference.
This book provides an introduction to human visual perception suitable for readers studying or working in the fields of computer graphics and visualization, cognitive science, and visual neuroscience. It focuses on how computer graphics images are generated, rather than solely on the organization of the visual system itself; therefore, the text provides a more direct tie between image generation and the resulting perceptual phenomena. It covers such topics as the perception of material properties, illumination, the perception of pictorial space, image statistics, perception and action, and spatial cognition. |
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