understanding pendulums a brief introduction 12 history of mechanism and machine science

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Understanding Pendulums

Author : L.P. Pook
ISBN : 9400714157
Genre : Technology & Engineering
File Size : 43. 67 MB
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Despite their apparent simplicity, the behaviour of pendulums can be remarkably complicated. Historically, pendulums for specific purposes have been developed using a combination of simplified theory and trial and error. There do not appear to be any introductory books on pendulums, written at an intermediate level, and covering a wide range of topics. This book aims to fill the gap. It is written for readers with some background in elementary geometry, algebra, trigonometry and calculus. Historical information, where available and useful for the understanding of various types of pendulum and their applications, is included. Perhaps the best known use of pendulums is as the basis of clocks in which a pendulum controls the rate at which the clock runs. Interest in theoretical and practical aspects of pendulums, as applied to clocks, goes back more than four centuries. The concept of simple pendulums, which are idealised versions of real pendulums is introduced. The application of pendulums to clocks is described, with detailed discussion of the effect of inevitable differences between real pendulums and simple pendulums. In a clock, the objective is to ensure that the pendulum controls the timekeeping. However, pendulums are sometimes driven, and how this affects their behaviour is described. Pendulums are sometimes used for occult purposes. It is possible to explain some apparently occult results by using modern pendulum theory. For example, why a ring suspended inside a wine glass, by a thread from a finger, eventually strikes the glass. Pendulums have a wide range of uses in scientific instruments, engineering, and entertainment. Some examples are given as case studies. Indexed in the Book Citation Index– Science (BKCI-S)

The Pit And The Pendulum

Author : Edgar Poe
ISBN : 9785457796850
Genre : Fiction
File Size : 42. 13 MB
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The blackness of eternal night encompassed me. The intense darkness oppressed and stifled me so that I struggled for breath.Having been condemned to death by the Spanish Inquisition, the narrator descends into a kind of hell. Dizzy with weakness and fainting with fear, he experiences such torments that death itself would be welcome. What troubles him most is the eternal question: how will he die?Toledo Prison is notorious for the torture of the condemned. What minds have dreamed up the terror of the pit in the center of the cell? What is the significance of the painted figure of Time with his menacing pendulum? Why do the walls glow with heat?Experience with the narrator the intensity of his suffering when death seems inevitable but its form uncertain. Can anything, or anybody, help him?

Reconstruction Designs Of Lost Ancient Chinese Machinery

Author : Hong-Sen Yan
ISBN : 9781402064609
Genre : Technology & Engineering
File Size : 28. 18 MB
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South pointing chariots, walking machines and the astronomical mechanical clock are all used as illustrated examples in this fascinating and unique study of lost machinery in ancient China. This is the first book of its kind, combining creative mechanism design methodology with mechanical evolution and variation theory to set out how some ancient designs can be recreated. Furthermore the book reflects on how age-old wisdoms could stimulate stunning new machinery in the future.

Distinguished Figures In Mechanism And Machine Science

Author : marco ceccarelli
ISBN : 9048123461
Genre : Technology & Engineering
File Size : 78. 35 MB
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This is the second volume of a series of edited books whose aim is to collect c- tributed papers within a framework that can serve as a collection of persons in MMS (Mechanism and Machine Science). This is a continuation of the first volume that was published in 2008, again combining very ancient and very recent scholars in order to give not only an encyclopaedic character to this project but also to emphasize the significance of MMS over time. This project has the characteristic that the papers illustrate, by recognizing p- sons and their scientific work, mainly technical developments in the historical evolution of the fields that today are grouped in MMS. Thus, emphasis is also given to biographical notes describing efforts and experiences of people who have c- tributed to the technical achievements whose technical survey is the core of each contributed paper. This second volume of the project has been possible thanks to the invited authors who have enthusiastically shared in this initiative and who have spent time and effort in preparing the papers. The stand-alone papers cover the wide field of the History of Mechanical Engineering with specific focus on MMS. I believe that readers will take advantage of the papers in this book and future ones by supplying further satisfaction and motivation for her or his work (historical or not).

The Mechanics Of Mechanical Watches And Clocks

Author : Ruxu Du
ISBN : 9783642293078
Genre : Technology & Engineering
File Size : 35. 16 MB
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"The Mechanics of Mechanical Watches and Clocks" presents historical views and mathematical models of mechanical watches and clocks. Although now over six hundred years old, mechanical watches and clocks are still popular luxury items that fascinate many people around the world. However few have examined the theory of how they work as presented in this book. The illustrations and computer animations are unique and have never been published before. It will be of significant interest to researchers in mechanical engineering, watchmakers and clockmakers, as well as people who have an engineering background and are interested in mechanical watches and clocks. It will also inspire people in other fields of science and technology, such as mechanical engineering and electronics engineering, to advance their designs. Professor Ruxu Du works at the Chinese University of Hong Kong, China. Assistant Professor Longhan Xie works at the South China University of Technology, China.

A History Of Mechanical Inventions

Author : Abbott Payson Usher
ISBN : 9780486143590
Genre : Technology & Engineering
File Size : 36. 73 MB
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Updated classic explores importance of technological innovation in cultural and economic history of the West. Water wheels, clocks, printing, machine tools, more. "Without peer." — American Scientist.

The Quest For Longitude

Author : William J. H. Andrewes
ISBN : UOM:39015038608652
Genre : Science
File Size : 29. 80 MB
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The Quest for Longitude is a book for students and for teachers, for collectors and for scholars, and for the thousands of people who, having enjoyed Sobel's Longitude, desire a well-illustrated reference that describes in detail the many fascinating devices and the intriguing characters who, by solving the ancient problem of finding longitude at sea, changed the world forever. 250 illustrations, 120 in color.

Knight S American Mechanical Dictionary

Author : Edward Henry Knight
ISBN : NYPL:33433087554980
Genre : Industrial arts
File Size : 79. 49 MB
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History Of Rotating Machinery Dynamics

Author : J.S. Rao
ISBN : 9400711654
Genre : Technology & Engineering
File Size : 71. 93 MB
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This book starts with the invention of the wheel nearly 5000 years ago, and via Archimedes, Aristotle and Hero describes the first practical applications such as water wheels and grinding wheels, pushing on to more rigorous scientific research by inquiring minds such as Leonardo da Vinci and Copernicus in later ages. Newton and Leibniz followed, and beam structures received maximum attention three centuries ago. As focus shifts and related disciplines such as mathematics and physics also develop, slowly turbomachines and rotor and blade dynamics as we know the subject now take shape. While the book traces the events leading to Laval and Parsons Turbines, the emphasis is on rotor and blade dynamics aspects that pushed these turbines to their limits in the last century. The tabular and graphical methods developed in the pre-computer era have taken different form in the last fifty years through finite element methods. The methods evolved in the last century are discussed in detail to help modern day designers and researchers. This book will be useful to young researchers and engineers in industry and educational institutions engaged in rotor and blade dynamics work in understanding the past and the present developments and what is expected in future. Faculty and industry engineers can benefit from this broad perspective history in formulating their developmental plans.

A Dictionary Of Science Literature And Art

Author : William Thomas Brande
ISBN : NYPL:33433003242835
Genre : Art
File Size : 24. 33 MB
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