The interdisciplinary nature of tribology encompasses knowledge drawn from disciplines such as mechanical engineering, materials science, chemistry and physics. The interaction between these different fields of knowledge to achieve the final result, the control of friction and wear, is reviewed in this volume. This interdisciplinary approach has proven to be a very successful way of analysing friction and wear problems. In many cases tribology is viewed as an inaccessible subject which does not produce useful answers. In this volume the authors redress this problem by providing a comprehensive treatment of the subject. A basic feature of the book is the emphasis on describing various concepts in an accessible manner for the benefit of non-specialists. This principle is applied from the beginning of the book, where the reader is introduced to the fundamental concept of tribology. This concept is then often used to show how the various topics in tribology are interrelated to form one coherent subject. A direct graphical illustration of the mechanisms controlling tribological phenomena is presented. Carefully prepared diagrams allow rapid appreciation of the basic ideas and facts in tribology. The numerical analysis of hydrodynamic lubrication is supported by a number of computer programs which are included in the book. The control of wear is given extensive treatment with a thorough discussion of lubricant additives, solid lubricants and surface coatings. The effectiveness of coatings in suppressing specific forms of wear is analyzed together with the methods of coatings deposition. The book contains 474 figures and 44 tables. More than 1000 references are provided to give the reader access to more specialized information if required. The volume is intended to provide graduates in engineering or materials science with an understanding of the fundamental concepts of friction, wear and lubrication.
American Life in the 1990s takes a look at the major events that occurred throughout this decade and offers information on the demographics of the United States at the time. Readers will gain an understanding of the politics, conflicts, science, inventions, pop culture, fashion, and sports of the decade, and they will learn about the legacy the 1990s left behind. Features include a glossary, a timeline, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.
Being Poland offers a unique analysis of the cultural developments that took place in Poland after World War One, a period marked by Poland's return to independence. Conceived to address the lack of critical scholarship on Poland's cultural restoration, Being Poland illuminates the continuities, paradoxes, and contradictions of Poland's modern and contemporary cultural practices, and challenges the narrative typically prescribed to Polish literature and film. Reflecting the radical changes, rifts, and restorations that swept through Poland in this period, Polish literature and film reveal a multitude of perspectives. Addressing romantic perceptions of the Polish immigrant, the politics of post-war cinema, poetry, and mass media, Being Poland is a comprehensive reference work written with the intention of exposing an international audience to the explosion of Polish literature and film that emerged in the twentieth century.
This volume is a valuable reference work for the student and the practising engineer in the chemical, pharmaceutical, minerals, food, plastics, paper and metallurgical industries. The second edition of this successful text has been thoroughly rewritten and updated. Based on the long running post-experience course produced by the University of Bradford, in association with the Institution of Chemical Engineers, it covers all aspects of mixing, from fundamentals through to design procedures in single and multi-phase systems. Experts from both industry and academia have contributed to this work giving both a theoretical practical approach. It covers dry and wet powders, single and two-phase liquids, solid/liquid and gas/liquid systems. The range of mixers available for such diverse duties is dealt with, including tumbler mixers for powders, mechanically agitated vessels, in-line continuous mixers and jet mixers. Coverage is given of the range of mixing objectives, varying from achieving product uniformity to obtaining optimum conditions for mass transfer and chemical reactions. This volume is a valuable reference work for the student and the practising engineer in the chemical, pharmaceutical, minerals, food, plastics, paper and metallurgical industries. The second edition of this successful text has been thoroughly rewritten and updated. Based on the long running post-experience course produced by the University of Bradford, in association with the Institution of Chemical Engineers, it covers all aspects of mixing, from fundamentals through to design procedures in single and multi-phase systems. Experts from both industry and academia have contributed to this work giving both a theoretical practical approach. It covers dry and wet powders, single and two-phase liquids, solid/liquid and gas/liquid systems. The range of mixers available for such diverse duties is dealt with, including tumbler mixers for powders, mechanically agitated vessels, in-line continuous mixers and jet mixers. Coverage is given of the range of mixing objectives, varying from achieving product uniformity to obtaining optimum conditions for mass transfer and chemical reactions.
An essential part of the library for anyone interested in the great political and military upheavals in the 15th century.' – Graeme Rimer, Retired Former Academic Director of the Royal Armouries 'A creditable effort to examine a neglected aspect of medieval warfare.' – Jim Bradbury, Cambridge University Press 'Everything you need to know about being a soldier in the Wars of the Roses.' – The Mail Bookshop What was it like to fight in a Wars of the Roses battle? What kind of men fought at St Albans, Northampton, Wakefield, Towton, Tewkesbury and Bosworth? How was the medieval soldier recruited, paid, equipped, fed and billeted? And how was a battle contested once both sides resorted to all-out conflict? First published in 1998, this classic study of the medieval soldier in the Wars of the Roses examines these and other questions using various documentary sources and recent evidence. Eyewitness accounts, contemporary chronicles, personal letters, civic records, archaeology and surviving military equipment are used to paint a fascinating picture of the medieval soldier. Evidence gleaned from the mass war grave found close to the battlefield of Towton in North Yorkshire sheds new light on those that lived and died in the civil wars. But what do we know about the psychology of those involved? And how did soldiers feel about killing their fellow Englishmen? Andrew Boardman explores the grim reality of medieval soldiering on land and sea during this crucial period of aristocratic violence and dynastic upheaval. He makes us question the current historical record, such as it is, and our perceptions of chivalry and warfare in Lancastrian and Yorkist England. The text is supported by many contemporary illustrations, diagrams and maps, making this updated work an indispensable guide to medieval soldiering in the late fifteenth century.
The interdisciplinary nature of tribology encompasses knowledge drawn from disciplines such as mechanical engineering, materials science, chemistry and physics. The interaction between these different fields of knowledge to achieve the final result, the control of friction and wear, is reviewed in this volume. This interdisciplinary approach has proven to be a very successful way of analysing friction and wear problems. In many cases tribology is viewed as an inaccessible subject which does not produce useful answers. In this volume the authors redress this problem by providing a comprehensive treatment of the subject. A basic feature of the book is the emphasis on describing various concepts in an accessible manner for the benefit of non-specialists. This principle is applied from the beginning of the book, where the reader is introduced to the fundamental concept of tribology. This concept is then often used to show how the various topics in tribology are interrelated to form one coherent subject. A direct graphical illustration of the mechanisms controlling tribological phenomena is presented. Carefully prepared diagrams allow rapid appreciation of the basic ideas and facts in tribology. The numerical analysis of hydrodynamic lubrication is supported by a number of computer programs which are included in the book. The control of wear is given extensive treatment with a thorough discussion of lubricant additives, solid lubricants and surface coatings. The effectiveness of coatings in suppressing specific forms of wear is analyzed together with the methods of coatings deposition. The book contains 474 figures and 44 tables. More than 1000 references are provided to give the reader access to more specialized information if required. The volume is intended to provide graduates in engineering or materials science with an understanding of the fundamental concepts of friction, wear and lubrication.
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