The Necessity Of Friction

Author : Nordal Akerman
Publisher : Routledge
Page : 332 pages
File Size : 49,7 Mb
Release : 2018-02-05
Category : Social Science
ISBN : 9780429975844

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The Necessity Of Friction by Nordal Akerman Pdf

Friction is what keeps us from realizing our goals. It is what compromises all of our plans, sometimes making them unrecognizable. It defies our wish for perfection and constantly surprises us with new elements of resistance. It constitutes the divide between dream and reality.But friction is also what gets us moving, a necessary incentive to achieve progress. Nothing can start if it cannot push off something else. By blocking or delaying the easy solution, friction makes for a richer, more varied world. If it stops schemes from being completely fulfilled, it also stops them form going totally awry.To the modernist project, with its one-sided rationalist pretensions, friction is unambiguously bad?and so it is being disposed of at an increasing speed. The currency markets are one example, cyberspace another. This means less and less time to pause and rethink, while the vulnerability of societies is aggravated. In The Necessity of Friction, scholars tackle this topical and important concept. A number of scientific fields are engaged: physics, philosophy, economics, architecture, organizational theory, artificial intelligence, and others. Together, these contributions form the first modern-day attempt at analyzing the intriguing yet elusive subject of friction as metaphor.

Author : Nordal Akerman
Publisher : Physica
Page : 336 pages
File Size : 52,7 Mb
Release : 1993-10-01
Category : Business & Economics
ISBN : 3790807230

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The Necessity of Friction by Nordal Akerman Pdf

Friction is what keeps us from realizing our goals. It is what compromises all our plans, sometimes making them unrecognizable. It defies our wish for perfection and constantly surprises us with new elements of resistance. It constitutes the divide between dream and reality. But friction is also that which gets us moving, a necessary incentive to achieve progress. Nothing can start if it cannot push off something else. By blocking or delaying the easy solution friction makes for a richer, more varied world. If it stops schemes from being completely fulfilled, it also stops them from going totally awry. To the modernist project with its one-sided rationalist pretensions, friction is unambiguously bad. And so it is being disposed of at an increasing speed. This means less and less time to pause and rethink, while the vulnerability of societies is aggravated. In "The Necessity of Friction" twenty scholars tackle this topical and important concept. A number of scientific fields are engaged: physics, philosophy, economics, architecture, organizational theory, artificial intelligence, and others. Together these contributions form the first modern-day attempt at analyzing the intriguing yet elusive subject of friction.

Author : N. Akerman
Publisher : Unknown
Page : 128 pages
File Size : 54,8 Mb
Release : 1996-03-01
Category : Electronic
ISBN : 3540007237

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The Necessity of Friction by N. Akerman Pdf

Author : Sujeet K. Sinha
Publisher : Imperial College Press
Page : 724 pages
File Size : 54,5 Mb
Release : 2009
Category : Technology & Engineering
ISBN : 9781848162044

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Polymer Tribology by Sujeet K. Sinha Pdf

This book deals with the new and now-expanding field of friction, wear, and other surface-related mechanical phenomena for polymers. Polymers have been used in various forms such as bulk, films, and composites in applications where their friction, wear resistance, and other surface-related properties have been effectively utilized. There are also many examples in which polymers have performed extremely well, such as in tyres, shoes, brakes, gears, bearings, small moving parts in electronics and MEMS, cosmetics/hair products, and artificial human joints. Around the world, much research is currently being undertaken to develop new polymers, in different forms, for further enhancing tribological performance and for finding novel applications. Keeping in view the importance of tribology of polymers for research and technology as well as the vast literature that is now available in research papers and review articles, this timely book brings together a wealth of research data for an understanding of the basic principles of the subject.

Author : B S Gupta
Publisher : Elsevier
Page : 488 pages
File Size : 51,8 Mb
Release : 2008-06-02
Category : Technology & Engineering
ISBN : 9781845694722

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Friction in Textile Materials by B S Gupta Pdf

Friction is a major issue in both the production of textiles and in the finished product. This authoritative book reviews how friction occurs and the ways it can be measured and controlled. The book begins by looking at how friction can be defined and how the structure and properties of textile fibres lead to friction behaviour. It also discusses slip-stick phenomena in textiles and ways of measuring friction in yarns and fabric. The second part of the book reviews friction in particular textiles, including cotton, wool and synthetic fibres as well as woven fabrics. These and other chapters also discuss ways of controlling friction, including fabric finishes and lubricants. With its distinguished editor and contributions from some of the world’s leading authorities in the subject, Friction in textile materials is a standard reference for the textile industry and those researching this important topic. An authoritative review of friction, its management and control

Author : Ard‚shir Guran,Friedrich Pfeiffer,Karl Popp
Publisher : World Scientific
Page : 329 pages
File Size : 51,5 Mb
Release : 2001
Category : Technology & Engineering
ISBN : 9789810229542

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Dynamics with Friction by Ard‚shir Guran,Friedrich Pfeiffer,Karl Popp Pdf

The dynamics of dissipative mechanical and structural systems is being investigated at various institutions and laboratories worldwide with ever-increasing sophistication of modeling, analysis and experiments.This book offers a collection of contributions from these research centers that represent the state-of-the-art in the study of friction oscillators. It provides the reader with the fruits of a team effort by leaders in this fascinating field.The present part II of this volume on Dynamics with Friction is a continuation of the previous part I, and is designed to help synthesize our current knowledge regarding the role of friction in mechanical and structural systems as well as everyday life. The topics covered include interaction of vibration and friction at dry sliding contacts, friction-induced instability in disks, dynamics of lubricated flexible links in kinematic chains, modal interactions in periodic structures, dynamics of an experimentally excited beam, transient waves in viscoelastic materials, dynamic stability of plates with damping, friction modeling and dynamic computation, damping through use of passive and semi-active dry friction forces.This book gives a comprehensive picture of dynamics of dissipative mechanical and structural systems. It also gives an up-to-date account of the present state of the field. It will be of interest to engineers, rheologists, material scientists, applied mathematicians, physicists and historians of science and technology.

Author : United States. Census Office. 10th Census, 1880
Publisher : Unknown
Page : 718 pages
File Size : 45,5 Mb
Release : 1888
Category : United States
ISBN : UOM:39015039621910

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Census Reports Tenth Census. June 1, 1880: Power and machinery employed in manufactures by United States. Census Office. 10th Census, 1880 Pdf

Author : Ardeshir Guran,Friedrich Pfeiffer,Karl Popp
Publisher : World Scientific
Page : 329 pages
File Size : 44,6 Mb
Release : 2001-06-01
Category : Technology & Engineering
ISBN : 9789814490900

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Dynamics With Friction, Modeling, Analysis And Experiments, Part Ii by Ardeshir Guran,Friedrich Pfeiffer,Karl Popp Pdf

The dynamics of dissipative mechanical and structural systems is being investigated at various institutions and laboratories worldwide with ever-increasing sophistication of modeling, analysis and experiments.This book offers a collection of contributions from these research centers that represent the state-of-the-art in the study of friction oscillators. It provides the reader with the fruits of a team effort by leaders in this fascinating field.The present part II of this volume on Dynamics with Friction is a continuation of the previous part I, and is designed to help synthesize our current knowledge regarding the role of friction in mechanical and structural systems as well as everyday life. The topics covered include interaction of vibration and friction at dry sliding contacts, friction-induced instability in disks, dynamics of lubricated flexible links in kinematic chains, modal interactions in periodic structures, dynamics of an experimentally excited beam, transient waves in viscoelastic materials, dynamic stability of plates with damping, friction modeling and dynamic computation, damping through use of passive and semi-active dry friction forces.This book gives a comprehensive picture of dynamics of dissipative mechanical and structural systems. It also gives an up-to-date account of the present state of the field. It will be of interest to engineers, rheologists, material scientists, applied mathematicians, physicists and historians of science and technology.

Author : V. A. Bely,A. I. Sviridenok,M. I. Petrokovets
Publisher : Elsevier
Page : 426 pages
File Size : 48,9 Mb
Release : 2013-10-22
Category : Technology & Engineering
ISBN : 9781483152059

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Friction and Wear in Polymer-Based Materials by V. A. Bely,A. I. Sviridenok,M. I. Petrokovets Pdf

Friction and Wear in Polymer-Based Materials discusses friction and wear problems in polymer-based materials. The book is organized into three parts. The chapters in Part I cover the basic laws of friction and wear in polymer-based materials. Topics covered include frictional interaction during metal-polymer contact and the influence of operating conditions on wear in polymers. The chapters in Part II discuss the structure and frictional properties of polymer-based materials; the mechanism of frictional transfer when a polymer comes into contact with polymers, metals, and other materials; and controlling the frictional properties of polymer materials. Part III is devoted to applications of polymer-based materials in friction assemblies. It covers composite self-lubricating materials and polymer materials for complexly loaded main friction assemblies. This work may prove useful to specialists interested in the problems of using polymer materials. It also aims to stimulate deeper research into the field of friction and wear in polymer-based materials.

Author : Andreas Goedecke
Publisher : Springer Science & Business Media
Page : 211 pages
File Size : 48,8 Mb
Release : 2014-07-08
Category : Science
ISBN : 9783709115060

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Transient Effects in Friction by Andreas Goedecke Pdf

Transient friction effects determine the behavior of a wide class of mechatronic systems. Classic examples are squealing brakes, stiction in robotic arms, or stick-slip in linear drives. To properly design and understand mechatronic systems of this type, good quantitative models of transient friction effects are of primary interest. The theory developed in this book approaches this problem bottom-up, by deriving the behavior of macroscopic friction surfaces from the microscopic surface physics. The model is based on two assumptions: First, rough surfaces are inherently fractal, exhibiting roughness on a wide range of scales. Second, transient friction effects are caused by creep enlargement of the real area of contact between two bodies. This work demonstrates the results of extensive Finite Element analyses of the creep behavior of surface asperities, and proposes a generalized multi-scale area iteration for calculating the time-dependent real contact between two bodies. The toolset is then demonstrated both for the reproduction of a variety of experimental results on transient friction as well as for system simulations of two example systems.

Author : John J. Thomas
Publisher : BoD – Books on Demand
Page : 306 pages
File Size : 48,8 Mb
Release : 2020-09-10
Category : Fiction
ISBN : 9783846057353

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Farm Implements and Farm Machinery by John J. Thomas Pdf

Reprint of the original, first published in 1869.

Author : Le Xuan Anh
Publisher : Springer Science & Business Media
Page : 273 pages
File Size : 46,7 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9783540365167

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Dynamics of Mechanical Systems with Coulomb Friction by Le Xuan Anh Pdf

This book addresses the general theory of motion of mechanical systems with Coulomb friction. In particular, the book focuses on the following specific problems: derivation of the equations of motion, Painleve's paradoxes, tangential impact and dynamic seizure, and frictional self-excited oscillations. In addition to the theoretical results, the book contains a detailed description of experiments that show that, in general, the friction force at the instant of transition to motion is determined by the rate of tangential load and does not depend on the duration of the previous contact. These results are used to develop the theory of frictional self-excited oscillations. A number of industrially relevant mechanisms are considered, including the Painleve-Klein scheme, epicyclic mechanisms, crank mechanisms, gear transmission, the link mechanism of a planing machine, and the slider of metal-cutting machine tools. The book is intended for researchers, engineers and students in mechanical engineering.

Author : Dana Publicover
Publisher : Lulu.com
Page : 130 pages
File Size : 51,7 Mb
Release : 2020-01-17
Category : Business & Economics
ISBN : 9781794802087

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Empathy at Scale by Dana Publicover Pdf

How many times have you experienced organizational change that is, at best, a rebrand and business as usual at worst? To create real change, real change must occur. The way we work isn't working. Employees wear too many hats and spend all their time putting out fires instead of strategizing a brilliant future. Innovation is just a word in our tagline. We're looking for the Next Big Thing, but we can't afford to take a risk on anything different.It's time to try a new approach to problem-solving using tools already at your disposal. To understand the root cause of problems (and predict the impact of your solution), you must empathize with your user-your customer, your member, your client or even your employee. This book will teach you how to empathize with anyone and run a full-scale empathy study to collect actionable, qualitative data. You'll also learn problem-solving methods and ways to prove ideas early on to avoid costly mistakes down the line.If you find yourself with unsolvable problems and you're open to trying new ways of thinking, Empathy at Scale is the impetus you've been waiting for. Dana Publicover brings knowledge from years in startup business development, product design, user research and design thinking facilitation to show that there is always a creative solution-and it's not going to come out of routine brainstorms. Because if you could sit and think up a solution, you'd have the answer by now. This book is for anyone who knows it's time to change the way they work, who wants to change but isn't sure how, and who believes their work gets in the way of their job. REVIEWS: "Companies are beginning to realize that what is missing from their development process is a real understanding of the audiences they serve. Teams looking to gain that understanding should look to Empathy at Scale for a practical playbook to get people out of their own heads to better see into others'. Publicover has a wide variety of examples and tips to build empathy, a critical skill in the 21st century." - Gretchen Anderson, author of Mastering Collaboration "Dana's understanding of empathy and it's vital role in product and service design is as comprehensive and well-delivered in this book as any place you can find. She has rightfully put the horse in front of the cart which is the opposite of what most design thinkers do. This book is a guide to save time, save money, and create what your customers want and will use." -Cam Marston, President, Generational Insights.

Author : I V Kragelsky,M N Dobychin,V S Kombalov
Publisher : Elsevier
Page : 475 pages
File Size : 42,6 Mb
Release : 2013-10-22
Category : Technology & Engineering
ISBN : 9781483145501

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Friction and Wear by I V Kragelsky,M N Dobychin,V S Kombalov Pdf

Friction and Wear: Calculation Methods provides an introduction to the main theories of a new branch of mechanics known as ""contact interaction of solids in relative motion."" This branch is closely bound up with other sciences, especially physics and chemistry. The book analyzes the nature of friction and wear, and some theoretical relationships that link the characteristics of the processes and the properties of the contacting bodies essential for practical application of the theories in calculating friction forces and wear values. The effect of the environment on friction and wear is also considered. Finally, the requirements, which must be fulfilled by the physicomechanical properties of the materials of which contacting bodies are made and which determine their behavior in moving contacts, are formulated. The book will be of interest to a wide circle of readers, e.g. engineers, designers, machine users, and research workers, working on the production of wear-resistant materials and working on the nature of friction and wear.

Author : Peter Grassberger,Dietrich E Wolf
Publisher : World Scientific
Page : 366 pages
File Size : 45,5 Mb
Release : 1997-07-04
Category : Electronic
ISBN : 9789814546133

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Friction, Arching, Contact Dynamics - Proceedings Of The Workshop by Peter Grassberger,Dietrich E Wolf Pdf

This volume contains the proceedings of an interdisciplinary meeting which attracted participants from the fields of physics, engineering, applied mathematics, and geology. The subjects covered range from microscopic theories of friction to large-scale stick-slip motion in earthquakes, with static and dynamic aspects of granular material in between. The main emphasis is on computational aspects, but experiments and basic theoretical concepts are also covered.