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Author : Joanne Mattern
Publisher : North Star Editions, Inc.
Page : 32 pages
File Size : 48,6 Mb
Release : 2017-08-01
Category : Juvenile Nonfiction
ISBN : 9781635174762
Provides readers with an engaging introduction to friction. With colorful spreads, clear text, helpful diagrams, and a "Science in Action" activity, this book offers an exciting look at physics in the real world.
Author : Annika Björkdahl,Kristine Höglund,Gearoid Millar,Jair van der Lijn,Willemijn Verkoren
Publisher : Routledge
Page : 222 pages
File Size : 48,6 Mb
Release : 2016-03-02
Category : Political Science
ISBN : 9781317365273
This book aims to understand the processes and outcomes that arise from frictional encounters in peacebuilding, when global and local forces meet. Building a sustainable peace after violent conflict is a process that entails competing ideas, political contestation and transformation of power relations. This volume develops the concept of ‘friction’ to better analyse the interplay between global ideas, actors, and practices, and their local counterparts. The chapters examine efforts undertaken to promote sustainable peace in a variety of locations, such as Cambodia, Sri Lanka, Afghanistan, and Sierra Leone. These case analyses provide a nuanced understanding not simply of local processes, or of the hybrid or mixed agencies, ideas, and processes that are generated, but of the complex interactions that unfold between all of these elements in the context of peacebuilding intervention. The analyses demonstrate how the ambivalent relationship between global and local actors leads to unintended and sometimes counterproductive results of peacebuilding interventions. The approach of this book, with its focus on friction as a conceptual tool, advances the peacebuilding research agenda and adds to two ongoing debates in the peacebuilding field; the debate on hybridity, and the debate on local agency and local ownership. In analysing frictional encounters this volume prepares the ground for a better understanding of the mixed impact peace initiatives have on post-conflict societies. This book will be of much interest to students of peacebuilding, conflict resolution, security studies, and international relations in general.
Author : Annika Björkdahl,Kristine Höglund,Gearoid Millar,Jair van der Lijn,Willemijn Verkoren
Publisher : Routledge
Page : 273 pages
File Size : 41,6 Mb
Release : 2016-03-02
Category : Political Science
ISBN : 9781317365266
This book aims to understand the processes and outcomes that arise from frictional encounters in peacebuilding, when global and local forces meet. Building a sustainable peace after violent conflict is a process that entails competing ideas, political contestation and transformation of power relations. This volume develops the concept of ‘friction’ to better analyse the interplay between global ideas, actors, and practices, and their local counterparts. The chapters examine efforts undertaken to promote sustainable peace in a variety of locations, such as Cambodia, Sri Lanka, Afghanistan, and Sierra Leone. These case analyses provide a nuanced understanding not simply of local processes, or of the hybrid or mixed agencies, ideas, and processes that are generated, but of the complex interactions that unfold between all of these elements in the context of peacebuilding intervention. The analyses demonstrate how the ambivalent relationship between global and local actors leads to unintended and sometimes counterproductive results of peacebuilding interventions. The approach of this book, with its focus on friction as a conceptual tool, advances the peacebuilding research agenda and adds to two ongoing debates in the peacebuilding field; the debate on hybridity, and the debate on local agency and local ownership. In analysing frictional encounters this volume prepares the ground for a better understanding of the mixed impact peace initiatives have on post-conflict societies. This book will be of much interest to students of peacebuilding, conflict resolution, security studies, and international relations in general.
Author : Alfons Fischer,Kirsten Bobzin
Publisher : John Wiley & Sons
Page : 784 pages
File Size : 49,6 Mb
Release : 2011-02-10
Category : Technology & Engineering
ISBN : 9783527628520
The proceedings collect invited and contributed papers from more than 150 scientists and engineers worldwide which provide an up-to-date overview of the current research on friction and wear, including new systematic approaches as well as innovative technical solutions.
Author : Leon Chaitow, ND, DO (UK),Sandy Fritz, BS, MS, NCTMB
Publisher : Elsevier Health Sciences
Page : 174 pages
File Size : 49,7 Mb
Release : 2007-11-19
Category : Medical
ISBN : 9780443102189
A MASSAGE THERAPIST'S GUIDE TO LOWER BACK AND PELVIC PAIN describes in detail the background to the evolution of "non-specific" backache as well as the assessment and treatment methods ideal for use in combination with massage therapy, deriving from physical therapy, osteopathic, and chiropractic sources. The book describes these methods individually and then integrates them into a detailed description of a massage session focusing on the person with backache. This unique book takes care to consider the needs of the massage therapist, who previously may have had to adapt his/her own methodology from descriptions aimed at other health care professionals. Abundant illustrations enrich the text and bring content to life to make it easily understandable. Bulleted point text and summaries allow the reader to quickly find information and review important content. Easy-reference format and accessible language help break down concepts. Accompanying website [previously a DVD] demonstrates real-life examples of the palpation and treatment methods.
Author : Gilit Saporta,Shoshana Maraney
Publisher : "O'Reilly Media, Inc."
Page : 425 pages
File Size : 42,6 Mb
Release : 2022-03-16
Category : Computers
ISBN : 9781492093275
Over the past two decades, the booming ecommerce and fintech industries have become a breeding ground for fraud. Organizations that conduct business online are constantly engaged in a cat-and-mouse game with these invaders. In this practical book, Gilit Saporta and Shoshana Maraney draw on their fraud-fighting experience to provide best practices, methodologies, and tools to help you detect and prevent fraud and other malicious activities. Data scientists, data analysts, and fraud analysts will learn how to identify and quickly respond to attacks. You'll get a comprehensive view of typical incursions as well as recommended detection methods. Online fraud is constantly evolving. This book helps experienced researchers safely guide and protect their organizations in this ever-changing fraud landscape. With this book, you will: Examine current fraud attacks and learn how to mitigate them Find the right balance between preventing fraud and providing a smooth customer experience Share insights across multiple business areas, including ecommerce, banking, cryptocurrency, anti-money laundering, and ad tech Evaluate potential risks for a new vertical, market, or product Train and mentor teams by boosting collaboration and kickstarting brainstorming sessions Get a framework of fraud methods, fraud-fighting analytics, and data science methodologies
Author : Chris Woodhouse
Publisher : CRC Press
Page : 289 pages
File Size : 46,5 Mb
Release : 2015-05
Category : Computers
ISBN : 9781317680154
The Astrophotography Manual is for those photographers who aspire to move beyond using standard SLR cameras and editing software, and who are ready to create beautiful images of nebulas, galaxies, clusters, and the solar system. Beginning with a brief astronomy primer, this book takes readers through the full astrophotography process, from choosing and using equipment through image capture, calibration, and processing. This combination of technical background information and the hands-on approach brings the science down to earth with a practical method to plan for success. Features include: Over 400 images, graphs, and tables to illustrate these concepts A wide range of hardware to be used, including smartphones, tablets, and the latest mount technologies How to utilize a variety of leading software such as Maxim DL, Nebulosity, Sequence Generator Pro, Photoshop, and PixInsight Case studies showing how and when to use certain tools and overcoming technical challenges How sensor performance and light pollution relate to image quality and exposure planning
Author : Jean-Paul Laumond,Mark Overmars
Publisher : CRC Press
Page : 480 pages
File Size : 43,5 Mb
Release : 1997-02-11
Category : Computers
ISBN : 9781439864524
This volume deals with core problems in robotics, like motion planning, sensor-based planning, manipulation, and assembly planning. It also discusses the application of robotics algorithms in other domains, such as molecular modeling, computer graphics, and image analysis. Topics Include: - Planning - Sensor Based Motion Planning - Control and Moti
Author : Enrico Gnecco,Ernst Meyer
Publisher : Springer
Page : 704 pages
File Size : 40,7 Mb
Release : 2014-11-05
Category : Science
ISBN : 9783319105604
This book provides an updated review on the development of scanning probe microscopy and related techniques, and the availability of computational techniques not even imaginable a few decades ago. The 36 chapters cover instrumental aspects, theoretical models and selected experimental results, thus offering a broad panoramic view on fundamental issues in nanotribology which are currently being investigated. Compared to the first edition, several topics have been added, including triboluminescence, graphene mechanics, friction and wear in liquid environments, capillary condensation, and multiscale friction modeling. Particular care has been taken to avoid overlaps and guarantee the independence of the chapters. In this way, our book aims to become a key reference on this subject for the next five to ten years to come.
Author : Roger Dooley
Publisher : McGraw Hill Professional
Page : 320 pages
File Size : 51,9 Mb
Release : 2019-05-17
Category : Business & Economics
ISBN : 9781260135701
In 2016, $4.6 trillion of merchandise was left in abandoned e-commerce shopping carts. Every year, the U.S. economy loses $3 trillion dollars in productivity due to excess bureaucracy. Red tape and over-complicated licenses have contributed to China’s GDP exceeding India’s by $82 trillion over the span of just three decades. If you’re a business leader, these statistics should give you nightmares. According to science-based marketing and business expert Roger Dooley, they illustrate the real and growing threat of “friction,” which he defines as the unnecessary expenditure of time, effort, or money in performing a task. In today's high-speed, customer-empowered world, the levels of swiftness and efficiency of business transactions will determine ultimate success or failure. In this groundbreaking guide, Dooley helps you spot the inevitable points of friction in your organization, and he provides the tools and insight you need to eliminate them. By truly understanding the impact friction can have, you’ll be able to establish positive habits and eliminate negative ones—all with the end result of building a company that’s the envy of your industry. Friction takes you step-by-step through the process of: •Empowering frank conversations•Guiding individual and team behaviors•Getting ahead of friction •Optimizing the customer experience •Building a frictionless corporate culture Combining scientific research with real-life examples of leaders who have conquered business friction, Dooley teaches you how to identify roadblocks, alter them for the benefit of both business and customer, and create positive, lasting change. If you’re in a leadership position, now is the time to declare war on friction—before your competitors do. Stamp out ridiculous rules, pointless procedures, and meaningless meetings. Become a relentless advocate for the customer and for minimizing customer effort. Lubricate every point of friction and make your company run like a well-oiled machine. Friction provides the know-how you need to lead your company to industry dominance.
Author : Nikolay Ivanov Kolev
Publisher : Springer Science & Business Media
Page : 308 pages
File Size : 43,9 Mb
Release : 2007-06-08
Category : Technology & Engineering
ISBN : 9783540714439
In order to allow the application of the theory from all the three volumes also to processes in combustion engines a systematic set of internally consistent state equations for diesel fuel gas and liquid valid in broad range of changing pressure and temperature are provided also in Volume 3. Erlangen, October 2006 Nikolay Ivanov Kolev Table of contents 1 Some basics of the single-phase boundary layer theory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. 1 Flow over plates, velocity profiles, share forces, heat transfer. . . . . . . . . . . . . . . . . . . . 1 1. 1. 1 Laminar flow over the one site of a plane. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. 1. 2 Turbulent flow parallel to plane. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1. 2 Steady state flow in pipes with circular cross sections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1. 2. 1 Hydraulic smooth wall surface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1. 2. 2 Transition region. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1. 2. 3 Complete rough region. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1. 2. 4 Heat transfer to fluid in a pipe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1. 3 Transient flow in pipes with circular cross sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 2 Introduction to turbulence of multi-phase flows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2. 1 Basic ideas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2. 2 Isotropy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 2. 3 Scales, eddy viscosity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 2. 3. 1 Small scale turbulent motion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 2. 3. 2 Large scale turbulent motion, Kolmogorov-Pandtl expression. . . . . . . . . 42 2. 4 k-eps framework. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 3 Sources for fine resolution outside the boundary layer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 3. 1 Bulk sources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 3. 1. 1 Deformation of the velocity field. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 3. 1. 2 Blowing and suction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Author : Peter J. Blau
Publisher : CRC Press
Page : 432 pages
File Size : 55,5 Mb
Release : 2008-10-20
Category : Technology & Engineering
ISBN : 1420054104
"Should have broad appeal in many kinds of industry, ranging from automotive to computers—basically any organization concerned with products having moving parts!" —David A. Rigney, Materials Science and Engineering Department, Ohio State University, Columbus, USA In-Depth Coverage of Frictional Concepts Friction affects so many aspects of daily life that most take it for granted. Arguably, mankind’s attempt to control friction dates back to the invention of the wheel. Friction Science and Technology: From Concepts to Applications, Second Edition presents a broad, multidisciplinary overview of the constantly moving field of friction, spanning the history of friction studies to the evolution of measurement instruments. It reviews the gamut of friction test methods, ranging from simple inclined plans to sophisticated laboratory tribometers. The book starts with introductory concepts about friction and progressively delves into the more subtle fundamentals of surface contact, use of various lubricants, and specific applications such as brakes, piston rings, and machine components. Includes American Society of Testing and Management (ASTM) Standards This volume covers multiple facets of friction, with numerous interesting and unusual examples of friction-related technologies not found in other tribology books. These include: Friction in winter sports Friction of touch and human skin Friction of footware and biomaterials Friction drilling of metals Friction of tires and road surfaces Describing the tools of the trade for friction research, this edition enables engineers to purchase or build their own devices. It also discusses frictional behavior of a wide range of materials, coatings, and surface treatments, both traditional and advanced, such as thermally oxidized titanium alloys, nanocomposites, ultra-low friction films, laser-dimpled ceramics, and carbon composites. Even after centuries of study, friction continues to conceal its subtle origins, especially in practical engineering situations in which surfaces are exposed to complex and changing environments. Authored by a field specialist with more than 30 years of experience, this one-stop resource discusses all aspects of friction, from its humble beginnings to its broad application for modern engineers.
Author : Michael Ruderman
Publisher : CRC Press
Page : 68 pages
File Size : 45,5 Mb
Release : 2023-09-21
Category : Technology & Engineering
ISBN : 9781000993332
Analysis and Compensation of Kinetic Friction in Robotic and Mechatronic Control Systems comprehensively covers kinetic friction in a robotics, mechatronics, and control engineering context. Providing the theory behind kinetic friction, as well as compensation methods and practical solutions, the text is a key companion to studying different control systems. Beginning with a clear introduction to the subject, the book goes on to include three main facets of kinetic friction, starting with phenomena of kinetic friction in drives. This chapter explains friction interfaces and friction effects. Following from this, the next chapter looks at motion dynamics with friction, which introduces dynamic system equations and focuses on both energy balance and dissipation. Finally, the book looks at compensation of friction in motion control, which summarises key compensation methods in controlled mechanical systems. Introducing various basic feedback control methods, including observer-based methods to compensate for kinetic friction, the text provides practical information that can be used in a wide variety of contexts not specific to particular systems or applications. This book will be of interest to students and industry workers in the field of robotics, mechanical systems and control engineering.
Author : Emily Coates,Sarah Demers
Publisher : Yale University Press
Page : 193 pages
File Size : 53,5 Mb
Release : 2019-01-01
Category : Performing Arts
ISBN : 9780300195835
"A fascinating exploration of our reality through the eyes of a physicist and a dancer--and an engaging introduction to both disciplines. From stepping out of our beds each morning to admiring the stars at night, we live in a world of motion, energy, space, and time. How do we understand the phenomena that shape our experience? How do we make sense of our physical realities? Two guides--a former member of New York City Ballet, Emily Coates, and a CERN particle physicist, Sarah Demers--show us how their respective disciplines can help us to understand both the quotidian and the deepest questions about the universe. Requiring no previous knowledge of dance or physics, this introduction covers the fundamentals while revealing how a dialogue between art and science can enrich our appreciation of both. Readers will come away with a broad cultural knowledge of Newtonian to quantum mechanics and classical to contemporary dance. Including problem sets and choreographic exercises to solidify understanding, this book will be of interest to anyone curious about physics or dance."--Jacket.
Author : Richard Hammond
Publisher : Pearson UK
Page : 216 pages
File Size : 49,8 Mb
Release : 2019-06-27
Category : Business & Economics
ISBN : 9781292234953
This business book is great for leaders, middle managers and entrepreneurs interested in the following categories; Small Business Entrepreneurship Marketing Strategy Branding Customer Experience Make it easy for customers to choose you; whatever your business, product or service. With customers now subconsciously weighing up their massively expanded options in terms of purchase friction (how easy it is to spend) and shopping reward (the extras inherent to the buying experience); your job is to make it easy for them to choose you. When is high friction bad? Friction includes frustrations like putting a coin in a supermarket trolley lock, too many clicks, and hidden frictions from awkward presentation, process and offer. Reward includes quality of business support, amazing retail environments, even emotional issues such as trust and belonging. When is high friction good? What value do different customers place on friction and reward across different buying scenarios? How can I benchmark against competitors? And, where are the big opportunities and where should we focus effort and resource? How do I market improved experiences to win customers? Friction Reward teaches you how to understand, measure and improve every single possible customer interaction by applying techniques outlined in the book to your customer experiences and organisations. Readers will: Create easier, faster and improved customer experiences by reducing friction and increasing reward. Discover how reducing friction attracts new customers, increases spend from existing ones and gives you a competitive advantage. Understand how the world's leading retailers, B2B sellers and public service providers are winning using these insights. Learn how to apply practical tools and technologies to their own customer and user scenarios both online and in the physical world. The full text downloaded to your computer With eBooks you can: search for key concepts, words and phrases make highlights and notes as you study share your notes with friends eBooks are downloaded to your computer and accessible either offline through the Bookshelf (available as a free download), available online and also via the iPad and Android apps. Upon purchase, you'll gain instant access to this eBook. Time limit The eBooks products do not have an expiry date. You will continue to access your digital ebook products whilst you have your Bookshelf installed.