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Author: Gerhard Schweitzer
Publisher: Springer Science & Business Media
ISBN: 3642004970
Category : Technology & Engineering
Languages : en
Pages : 541
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Book Description
Compiling the expertise of nine pioneers of the field, Magnetic Bearings - Theory, Design, and Application to Rotating Machinery offers an encyclopedic study of this rapidly emerging field with a balanced blend of commercial and academic perspectives. Every element of the technology is examined in detail, beginning at the component level and proceeding through a thorough exposition of the design and performance of these systems. The book is organized in a logical fashion, starting with an overview of the technology and a survey of the range of applications. A background chapter then explains the central concepts of active magnetic bearings while avoiding a morass of technical details. From here, the reader continues to a meticulous, state-of-the-art exposition of the component technologies and the manner in which they are assembled to form the AMB/rotor system. These system models and performance objectives are then tied together through extensive discussions of control methods for both rigid and flexible rotors, including consideration of the problem of system dynamics identification. Supporting this, the issues of system reliability and fault management are discussed from several useful and complementary perspectives. At the end of the book, numerous special concepts and systems, including micro-scale bearings, self-bearing motors, and self-sensing bearings, are put forth as promising directions for new research and development. Newcomers to the field will find the material highly accessible while veteran practitioners will be impressed by the level of technical detail that emerges from a combination of sophisticated analysis and insights gleaned from many collective years of practical experience. An exhaustive, self-contained text on active magnetic bearing technology, this book should be a core reference for anyone seeking to understand or develop systems using magnetic bearings.
Author: Gerhard Schweitzer
Publisher: Springer Science & Business Media
ISBN: 3642004970
Category : Technology & Engineering
Languages : en
Pages : 541
Get Book Here
Book Description
Compiling the expertise of nine pioneers of the field, Magnetic Bearings - Theory, Design, and Application to Rotating Machinery offers an encyclopedic study of this rapidly emerging field with a balanced blend of commercial and academic perspectives. Every element of the technology is examined in detail, beginning at the component level and proceeding through a thorough exposition of the design and performance of these systems. The book is organized in a logical fashion, starting with an overview of the technology and a survey of the range of applications. A background chapter then explains the central concepts of active magnetic bearings while avoiding a morass of technical details. From here, the reader continues to a meticulous, state-of-the-art exposition of the component technologies and the manner in which they are assembled to form the AMB/rotor system. These system models and performance objectives are then tied together through extensive discussions of control methods for both rigid and flexible rotors, including consideration of the problem of system dynamics identification. Supporting this, the issues of system reliability and fault management are discussed from several useful and complementary perspectives. At the end of the book, numerous special concepts and systems, including micro-scale bearings, self-bearing motors, and self-sensing bearings, are put forth as promising directions for new research and development. Newcomers to the field will find the material highly accessible while veteran practitioners will be impressed by the level of technical detail that emerges from a combination of sophisticated analysis and insights gleaned from many collective years of practical experience. An exhaustive, self-contained text on active magnetic bearing technology, this book should be a core reference for anyone seeking to understand or develop systems using magnetic bearings.
Author: Farid Al-Bender
Publisher: John Wiley & Sons
ISBN: 1118926560
Category : Technology & Engineering
Languages : en
Pages : 592
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Book Description
Comprehensive treatise on gas bearing theory, design and application This book treats the fundamental aspects of gas bearings of different configurations (thrust, radial, circular, conical) and operating principles (externally pressurized, self-acting, hybrid, squeeze), guiding the reader throughout the design process from theoretical modelling, design parameters, numerical formulation, through experimental characterisation and practical design and fabrication. The book devotes a substantial part to the dynamic stability issues (pneumatic hammering, sub-synchronous whirling, active dynamic compensation and control), treating them comprehensively from theoretical and experimental points of view. Key features: Systematic and thorough treatment of the topic. Summarizes relevant previous knowledge with extensive references. Includes numerical modelling and solutions useful for practical application. Thorough treatment of the gas-film dynamics problem including active control. Discusses high-speed bearings and applications. Air Bearings: Theory, Design and Applications is a useful reference for academics, researchers, instructors, and design engineers. The contents will help readers to formulate a gas-bearing problem correctly, set up the basic equations, solve them establishing the static and dynamic characteristics, utilise these to examine the scope of the design space of a given problem, and evaluate practical issues, be they in design, construction or testing.
Author: Glenn Arbery
Publisher:
ISBN: 9780692468203
Category :
Languages : en
Pages : 346
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Book Description
Bearings and Distances by Glenn Arbery, is a novel of comic ironies and tragic recurrences set in the "post-racial" moment of the American experiment. In the summer after Barack Obama's election, Hermia Watson, a scholar of black history, lures the famous (and famously irresponsible) Professor Braxton Forrest back to his hometown in Georgia, using his two daughters as unwitting hostages. Returning alone while his pious wife continues touring Italy, Forrest arrives to the tremblings of his abandoned past and a confrontation with the Furies he thought modernity had left behind. In the course of a few days, Hermia realizes what violent revelations she has begun to unleash about her former lover, her mother, and her own identity-but it is too late to stop what is coming to light. Arbery revisits the obsessions of the 20th century Southern renaissance in a work that satirizes misconceptions and shallow pieties but takes seriously the wisdom of the Southern literary tradition-and its classical antecedents.
Author: Everest Media,
Publisher: Everest Media LLC
ISBN:
Category : Family & Relationships
Languages : en
Pages : 55
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Book Description
Please note: This is a companion version & not the original book. Sample Book Insights: #1 The way Charlotte was killed by a shooter in Newtown, Connecticut, generated a lot of media attention, which caused some people who were personally affected by the death of a child or loved one to feel helplessly exposed and vulnerable. #2 Grief is often misunderstood, and cultural norms promote double standards that are often harmful to those grieving. Certain tragedies are deemed worthy, and others are not. Individual grief is discouraged, even scorned, beyond a brief period of time.
Author: Pranav H. Darji
Publisher: BoD – Books on Demand
ISBN: 9535131834
Category : Technology & Engineering
Languages : en
Pages : 122
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Book Description
In the twenty-first century, bearings are expected to perform better in the form of various operating conditions, that is from low speed to extremely high speed and from low load to huge load applications. The expectations from the field of bearing technology are great. During the recent years, we have been witnessing the development of a new generation of mechanical systems that are highly miniaturized and very sophisticated, yet extremely robust. Technological progress creates increasingly arduous conditions for rolling mechanisms.
Author: Tsuneo Someya
Publisher: Springer Science & Business Media
ISBN: 3642525091
Category : Technology & Engineering
Languages : en
Pages : 336
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Book Description
Journal bearings, which are used in all kinds of rotating machinery, do not only support static loads, such as the weight of rotors and load caused by transmitted torque of reduction gears, but are, in addition almost the only machine element that is able to suppress various exciting forces acting on the rotating shaft. As rotating machines have become large and multi-staged, while compactness, high speed, and high output have also been realized in recent years, not only has the bearing load increased, but also the magnitude and variety of exciting forces. Therefore, the role and importance of journal bearings have increased tremendous ly. In particular, for the design of rotating machines with low vibration levels and high reliability, knowledge of the exact characteristic data of bearings, and especial ly of the stiffness or spring coefficients and the damping coefficients of oil films in bearings, is essential. However, the amount of reliable data now applicable to practical design is limited. Through the activity of the Research Subcommittee on Dynamic Charac teristics of Journal Bearings and Their Applications (designated as PSC 28), estab lished and organized in June 1979 through May 1982 within the Japan Society of Mechanical Engineers (JSME), these coefficients, together with static characteris tics, have been calculated and also measured on a number of new test rigs.
Author: James A. Harnish
Publisher: Wipf and Stock Publishers
ISBN: 172529589X
Category : Religion
Languages : en
Pages : 99
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Book Description
If you feel you've lost your bearings, you aren't alone! Global pandemic . . . Economic crisis . . . Racial tensions . . . Political polarization . . . Climate change. The converging crises expose our timeless need for an internal compass to guide us through disruption, disorientation and change. James Harnish invites you into six crucial moments when Jesus found his bearings by recalling words and stories from the Old Testament. By connecting Jesus' story with your own, you can find your bearings as you walk the way Jesus walked in the way that Jesus walked it. It's the way that leads to life! Questions for Reflection create an opportunity for you to pause, find your place in the story, and determine your next step along the way. These may also be used for journaling or small group discussion.
Author: Wei Jiang
Publisher: John Wiley & Sons
ISBN: 1119276101
Category : Technology & Engineering
Languages : en
Pages : 558
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Book Description
Incorporating Chinese, European, and International standards and units of measurement, this book presents a classic subject in an up-to-date manner with a strong emphasis on failure analysis and prevention-based machine element design. It presents concepts, principles, data, analyses, procedures, and decision-making techniques necessary to design safe, efficient, and workable machine elements. Design-centric and focused, the book will help students develop the ability to conceptualize designs from written requirements and to translate these design concepts into models and detailed manufacturing drawings. Presents a consistent approach to the design of different machine elements from failure analysis through strength analysis and structural design, which facilitates students’ understanding, learning, and integration of analysis with design Fundamental theoretical topics such as mechanics, friction, wear and lubrication, and fluid mechanics are embedded in each chapter to illustrate design in practice Includes examples, exercises, review questions, design and practice problems, and CAD examples in each self-contained chapter to enhance learning Analysis and Design of Machine Elements is a design-centric textbook for advanced undergraduates majoring in Mechanical Engineering. Advanced students and engineers specializing in product design, vehicle engineering, power machinery, and engineering will also find it a useful reference and practical guide.
Author: Bernard J. Hamrock
Publisher: CRC Press
ISBN: 1135537755
Category : Technology & Engineering
Languages : en
Pages : 747
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Book Description
Specifically focusing on fluid film, hydrodynamic, and elastohydrodynamic lubrication, this edition studies the most important principles of fluid film lubrication for the correct design of bearings, gears, and rolling operations, and for the prevention of friction and wear in engineering designs. It explains various theories, procedures, and equations for improved solutions to machining challenges. Providing more than 1120 display equations and an introductory section in each chapter, Fundamentals of Fluid Film Lubrication, Second Edition facilitates the analysis of any machine element that uses fluid film lubrication and strengthens understanding of critical design concepts.
Author: Arvid Palmgren
Publisher:
ISBN:
Category : Ball-bearings
Languages : en
Pages : 272
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Book Description
