Dynamics Of Rolling Element Bearings

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Advanced Dynamics of Rolling Elements

Author : P.K. Gupta
Publisher : Springer Science & Business Media
ISBN 13 : 1461252768
Total Pages : 307 pages
Book Rating : 4.4/5 (612 download)

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Book Synopsis Advanced Dynamics of Rolling Elements by : P.K. Gupta

Download or read book Advanced Dynamics of Rolling Elements written by P.K. Gupta and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: In any rotating machinery system, the bearing has traditionally been a crit ical member of the entire system, since it is the component that permits the relative motion between the stationary and moving parts. Depending on the application, a number of different bearing types have been used, such as oil-lubricated hydrodynamic bearings, gas bearings, magnetic suspensions, rolling element bearings, etc. Hydrodynamic bearings can provide any desired load support, but they are limited in stiffness and the associated power loss may be quite large. Gas bearings are used for high-precision applications where the supported loads are relatively light, bearing power losses are very low, and the rotating speeds generally high. For super precision components where no frictional dissipation or bearing power loss can be tolerated, magnetic suspensions are employed; again, the load support requirements are very low. Rolling element bearings have been widely used for those applications that require greater bearing versatility, due to the requirements for high-load and high-stiffness characteristics, while allowing moderate power loss and permitting variable speeds. A study of the dynamic interaction of rolling elements is, therefore, the subject of this text. Texts covering the analysis and design methodology of rolling elements are very limited. Notable works include Analysis of Stresses and Deflections (Jones, 1946, Vols. I and II), Ball and Roller Bearings, Their Theory, Design and Application (Eschmann, Hasbargen, and Weigand, 1958), Ball and Roller Bearing Engineering (Palmgren, 1959, 3rd ed. ), Advanced Bearing Technology (Bisson and Anderson, 1965), and Rolling Bearing Analysis (Harris, 1966).

Computational Design of Rolling Bearings

Author : Hung Nguyen-Schäfer
Publisher : Springer
ISBN 13 : 3319271318
Total Pages : 243 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Computational Design of Rolling Bearings by : Hung Nguyen-Schäfer

Download or read book Computational Design of Rolling Bearings written by Hung Nguyen-Schäfer and published by Springer. This book was released on 2016-04-10 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprehensively presents the computational design of rolling bearings dealing with many interdisciplinary difficult working fields. They encompass elastohydrodynamics (EHD), Hertzian contact theory, oil-film thickness in elastohydrodynamic lubrication (EHL), bearing dynamics, tribology of surface textures, fatigue failure mechanisms, fatigue lifetimes of rolling bearings and lubricating greases, Weibull distribution, rotor balancing, and airborne noises (NVH) in the rolling bearings. Furthermore, the readers are provided with hands-on essential formulas based on the up-to-date DIN ISO norms and helpful examples for computational design of rolling bearings. The topics are intended for undergraduate and graduate students in mechanical and material engineering, research scientists, and practicing engineers who want to understand the interactions between these working fields and to know how to design the rolling bearings for automotive industry and many other industries.

Dynamics of Rotating Systems

Author : Giancarlo Genta
Publisher : Springer Science & Business Media
ISBN 13 : 038728687X
Total Pages : 674 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Dynamics of Rotating Systems by : Giancarlo Genta

Download or read book Dynamics of Rotating Systems written by Giancarlo Genta and published by Springer Science & Business Media. This book was released on 2007-01-04 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an up-to-date review of rotor dynamics, dealing with basic topics as well as a number of specialized topics usually available only in journal articles Unlike other books on rotordynamics, this treats the entire machine as a system, with the rotor as just one component

Ball and Roller Bearing Engineering

Author : Arvid Palmgren
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Ball and Roller Bearing Engineering by : Arvid Palmgren

Download or read book Ball and Roller Bearing Engineering written by Arvid Palmgren and published by . This book was released on 1959 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Elasto-Hydrodynamic Lubrication

Author : D. Dowson
Publisher : Elsevier
ISBN 13 : 1483181898
Total Pages : 254 pages
Book Rating : 4.4/5 (831 download)

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Book Synopsis Elasto-Hydrodynamic Lubrication by : D. Dowson

Download or read book Elasto-Hydrodynamic Lubrication written by D. Dowson and published by Elsevier. This book was released on 2014-07-18 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elasto-Hydrodynamic Lubrication deals with the mechanism of elasto-hydrodynamic lubrication, that is, the lubrication regime in operation over the small areas where machine components are in nominal point or line contact. The lubrication of rigid contacts is discussed, along with the effects of high pressure on the lubricant and bounding solids. The governing equations for the solution of elasto-hydrodynamic problems are presented. Comprised of 13 chapters, this volume begins with an overview of elasto-hydrodynamic lubrication and representation of contacts by cylinders, followed by a discussion on equations relevant to lubrication, including the Reynolds equation. The reader is then introduced to lubrication of rigid cylinders; the importance of film thickness in highly loaded rigid contacts; the elasticity of solids in contact; and the theory of elasto-hydrodynamic lubrication. Subsequent chapters focus on apparatus and measurements of film thickness and film shape; friction and viscosity; and lubrication of gears and roller bearings. This book will be of interest to tribologists.

Essential Concepts of Bearing Technology

Author : Tedric A. Harris
Publisher : CRC Press
ISBN 13 : 1420006592
Total Pages : 392 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Essential Concepts of Bearing Technology by : Tedric A. Harris

Download or read book Essential Concepts of Bearing Technology written by Tedric A. Harris and published by CRC Press. This book was released on 2006-10-09 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part of the fifth edition of the classic Rolling Bearing Analysis, this book builds a basic understanding of the fundamentals underlying the use, design, and performance of rolling bearings. It serves as a stand-alone introduction cutting across the array of disciplines necessary to evaluate and comprehend the performance and behavior of all types of rolling bearings. The authors derive the mathematics and theories underlying catalog values given by manufacturers and lead you from the various types of bearings through bearing geometry, applied loading, internal load distribution, deformation, functional performance, and structural materials. It makes an ideal introductory textbook as well as a practical field reference for professionals.

Rotor Systems

Author : Rajiv Tiwari
Publisher : CRC Press
ISBN 13 : 1351863630
Total Pages : 1225 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Rotor Systems by : Rajiv Tiwari

Download or read book Rotor Systems written by Rajiv Tiwari and published by CRC Press. This book was released on 2017-11-22 with total page 1225 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to give a basic understanding of rotor dynamics phenomena with the help of simple rotor models and subsequently, the modern analysis methods for real life rotor systems. This background will be helpful in the identification of rotor-bearing system parameters and its use in futuristic model-based condition monitoring and, fault diagnostics and prognostics. The book starts with introductory material for finite element methods and moves to linear and non-linear vibrations, continuous systems, vibration measurement techniques, signal processing and error analysis, general identification techniques in engineering systems, and MATLAB analysis of simple rotors. Key Features: • Covers both transfer matrix methods (TMM) and finite element methods (FEM) • Discusses transverse and torsional vibrations • Includes worked examples with simplicity of mathematical background and a modern numerical method approach • Explores the concepts of instability analysis and dynamic balancing • Provides a basic understanding of rotor dynamics phenomena with the help of simple rotor models including modern analysis methods for real life rotor systems.

Grease Lubrication in Rolling Bearings

Author : Piet M. Lugt
Publisher : John Wiley & Sons
ISBN 13 : 1118353919
Total Pages : 472 pages
Book Rating : 4.1/5 (183 download)

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Book Synopsis Grease Lubrication in Rolling Bearings by : Piet M. Lugt

Download or read book Grease Lubrication in Rolling Bearings written by Piet M. Lugt and published by John Wiley & Sons. This book was released on 2013-02-18 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: The definitive book on the science of grease lubrication for roller and needle bearings in industrial and vehicle engineering. Grease Lubrication in Rolling Bearings provides an overview of the existing knowledge on the various aspects of grease lubrication (including lubrication systems) and the state of the art models that exist today. The book reviews the physical and chemical aspects of grease lubrication, primarily directed towards lubrication of rolling bearings. The first part of the book covers grease composition, properties and rheology, including thermal and dynamics properties. Later chapters cover the dynamics of greased bearings, including grease life, bearing life, reliability and testing. The final chapter covers lubrications systems – the systems that deliver grease to the components requiring lubrication. Grease Lubrication in Rolling Bearings: Describes the underlying physical and chemical properties of grease. Discusses the effect of load, speed, temperature, bearing geometry, bearing materials and grease type on bearing wear. Covers both bearing and grease performance, including thermo-mechanical ageing and testing methodologies. It is intended for researchers and engineers in the petro-chemical and bearing industry, industries related to this (e.g. wind turbine industry, automotive industry) and for application engineers. It will also be of interest for teaching in post-graduate courses.

Bearing Design in Machinery

Author : Avraham Harnoy
Publisher : CRC Press
ISBN 13 : 9780203909072
Total Pages : 664 pages
Book Rating : 4.9/5 (9 download)

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Book Synopsis Bearing Design in Machinery by : Avraham Harnoy

Download or read book Bearing Design in Machinery written by Avraham Harnoy and published by CRC Press. This book was released on 2002-09-25 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering the fundamental principles of bearing selection, design, and tribology, this book discusses basic physical principles of bearing selection, lubrication, design computations, advanced bearings materials, arrangement, housing, and seals, as well as recent developments in bearings for high-speed aircraft engines. The author explores unique solutions to challenging design problems and presents rare case studies, such as hydrodynamic and rolling-element bearings in series and adjustable hydrostatic pads for large bearings. He focuses on the design considerations and calculations specific to hydrodynamic journal bearings, hydrostatic bearings, and rolling element bearings.

NASA Reference Publication

Author :
Publisher :
ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis NASA Reference Publication by :

Download or read book NASA Reference Publication written by and published by . This book was released on 1977 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Vibration Transmission Through Rolling Element Bearings in Geared Rotor Systems

Author : Rajendra Singh
Publisher : DIANE Publishing
ISBN 13 : 1428915540
Total Pages : 236 pages
Book Rating : 4.4/5 (289 download)

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Book Synopsis Vibration Transmission Through Rolling Element Bearings in Geared Rotor Systems by : Rajendra Singh

Download or read book Vibration Transmission Through Rolling Element Bearings in Geared Rotor Systems written by Rajendra Singh and published by DIANE Publishing. This book was released on 1990 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new mathematical model is proposed to examine the vibration transmission through rolling element bearings in geared rotor systems. Current bearing models, based on either ideal boundary conditions for the shaft or purely translational stiffness element description, cannot explain how the vibratory motion may be transmitted from the rotating shaft to the casing. For example, a vibration model based upon the simple bearing formulations can only predict purely in-plane type motion on the flexible casing plate given only bending motion on the shaft. However, experimental results have shown that the casing plate motion is primarily flexural. This study clarifies this issue qualitatively and quantitatively by developing a comprehensive bearing stiffness matrix is partially verified using available analytical and experimental data, and is completely characterized. This study extends the proposed bearing formulation to analyze the overall geared rotor system dynamics including casting and mounts. The bearing stiffness matrix is included in discrete system models using lumped parameter and/or dynamic finite element techniques. Eigensolution and forced harmonic response due to rotating mass unbalance or kinematic transmissions error excitation for the following examples are computed: (I) single-stage rotor system with flexible shaft supported by two bearings on rigid casing and flexible mounts, (II) spur gear pair system with motor and load inertials attached to two flexible shafts and supported by four bearings on flexibly mounted rigid casing, and (III) case II with flexible casing and rigid mounts. In several of these examples, analytical predictions compare well with measured data, validating the purposed formulation.

Bearings

Author : Maurice L. Adams
Publisher : CRC Press
ISBN 13 : 1351689991
Total Pages : 293 pages
Book Rating : 4.3/5 (516 download)

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Book Synopsis Bearings by : Maurice L. Adams

Download or read book Bearings written by Maurice L. Adams and published by CRC Press. This book was released on 2018-04-19 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bearings: from Technoloogical Foundations to Practical Design Applications provides a modern study of bearing types, design factors, and industrial examples. The major classes of bearings are described, and design concepts are covered for rolling elements, surfaces, pivots, flexures, and compliance surfaces. Fluid film lubrication is presented, and the basics of tribology for bearings is explained. The book also looks at specific applications of bearing technology, including bearings in vehicles, rotating machinery, machine tools, and home appliances. Case studies are also included.

Vibration Monitoring of Induction Motors

Author : William T. Thomson
Publisher : Cambridge University Press
ISBN 13 : 1108489974
Total Pages : 309 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis Vibration Monitoring of Induction Motors by : William T. Thomson

Download or read book Vibration Monitoring of Induction Motors written by William T. Thomson and published by Cambridge University Press. This book was released on 2020-12-03 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master the art of vibration monitoring of induction motors with this unique guide to on-line condition assessment and fault diagnosis, building on the author's fifty years of investigative expertise. It includes: *Robust techniques for diagnosing of a wide range of common faults, including shaft misalignment and/or soft foot, rolling element bearing faults, sleeve bearing faults, magnetic and vibrational issues, resonance in vertical motor drives, and vibration and acoustic noise from inverters. *Detailed technical coverage of thirty real-world industrial case studies, from initial vibration spectrum analysis through to fault diagnosis and final strip-down. *An introduction to real-world vibration spectrum analysis for fault diagnosis, and practical guidelines to reduce bearing failure through effective grease management. This definitive book is essential reading for industrial end-users, engineers, and technicians working in motor design, manufacturing, and condition monitoring. It will also be of interest to researchers and graduate students working on condition monitoring.

Bearing Dynamic Coefficients in Rotordynamics

Author : Lukasz Brenkacz
Publisher : John Wiley & Sons
ISBN 13 : 1119759269
Total Pages : 196 pages
Book Rating : 4.1/5 (197 download)

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Book Synopsis Bearing Dynamic Coefficients in Rotordynamics by : Lukasz Brenkacz

Download or read book Bearing Dynamic Coefficients in Rotordynamics written by Lukasz Brenkacz and published by John Wiley & Sons. This book was released on 2021-04-05 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to bearing dynamic coefficients in rotordynamics that includes various computation methods Bearing Dynamic Coefficients in Rotordynamics delivers an authoritative guide to the fundamentals of bearing and bearing dynamic coefficients containing various computation methods. Three of the most popular and state-of-the-art methods of determining coefficients are discussed in detail. The computation methods covered include an experimental linear method created by the author, and numerical linear and nonlinear methods using the finite element method. The author—a renowned expert on the topic—presents the results and discusses the limitations of the various methods. Accessibly written, the book provides a clear analysis of the fundamental phenomena in rotor dynamics and includes many illustrations from numerical analysis and the results of the experimental research. Filled with practical examples, the book also includes a companion website hosting code used to calculate the dynamic coefficients of journal bearings. This important book: Covers examples of different computation methods, presents results, and discusses limitations of each Reviews the fundamentals of bearing and bearing dynamic coefficients Includes illustrations from the numerical analysis and results of the experimental research Offers myriad practical examples and a companion website Written for researchers and practitioners working in rotordynamics, Bearing Dynamic Coefficients in Rotordynamics will also earn a place in the libraries of graduate students in mechanical and aerospace engineering who seek a comprehensive treatment of the foundations of this subject.

Applied Tribology

Author : Michael M. Khonsari
Publisher : John Wiley & Sons
ISBN 13 : 1118700260
Total Pages : 860 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Applied Tribology by : Michael M. Khonsari

Download or read book Applied Tribology written by Michael M. Khonsari and published by John Wiley & Sons. This book was released on 2017-08-01 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt: Insightful working knowledge of friction, lubrication, and wear in machines Applications of tribology are widespread in industries ranging from aerospace, marine and automotive to power, process, petrochemical and construction. With world-renowned expert co-authors from academia and industry, Applied Tribology: Lubrication and Bearing Design, 3rd Edition provides a balance of application and theory with numerous illustrative examples. The book provides clear and up-to-date presentation of working principles of lubrication, friction and wear in vital mechanical components, such as bearings, seals and gears. The third edition has expanded coverage of friction and wear and contact mechanics with updated topics based on new developments in the field. Key features: Includes practical applications, homework problems and state-of-the-art references. Provides presentation of design procedure. Supplies clear and up-to-date information based on the authors’ widely referenced books and over 500 archival papers in this field. Applied Tribology: Lubrication and Bearing Design, 3rd Edition provides a valuable and authoritative resource for mechanical engineering professionals working in a wide range of industries with machinery including turbines, compressors, motors, electrical appliances and electronic components. Senior and graduate students in mechanical engineering will also find it a useful text and reference.

Fundamentals of Fluid Film Lubrication

Author : Bernard J. Hamrock
Publisher : CRC Press
ISBN 13 : 1135537755
Total Pages : 747 pages
Book Rating : 4.1/5 (355 download)

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Book Synopsis Fundamentals of Fluid Film Lubrication by : Bernard J. Hamrock

Download or read book Fundamentals of Fluid Film Lubrication written by Bernard J. Hamrock and published by CRC Press. This book was released on 2004-03-15 with total page 747 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Introduction to Dynamics of Rotor-bearing Systems

Author : Wen Jeng Chen
Publisher : Trafford on Demand Pub
ISBN 13 : 9781412051903
Total Pages : 469 pages
Book Rating : 4.0/5 (519 download)

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Book Synopsis Introduction to Dynamics of Rotor-bearing Systems by : Wen Jeng Chen

Download or read book Introduction to Dynamics of Rotor-bearing Systems written by Wen Jeng Chen and published by Trafford on Demand Pub. This book was released on 2007 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is written as an introduction to rotor-bearing dynamics for practicing engineers and students who are involved in rotordynamics and bearing design. The goal of this book is to provide a step-by-step approach to the understanding of fundamentals of rotor-bearing dynamics by using DyRoBeS(c) . Therefore, the emphasis of this book is on the basic principals, phenomena, modeling, and interpretation of the results. Numerous examples, from a single-degree-of-freedom system to complicated industrial rotating machinery, are employed throughout this book to illustrate these fundamental dynamic behaviors. The concepts in the text are reinforced by parametric studies and numerous illustrative examples and figures. The book begins with a brief discussion of the mathematical modeling of physical dynamic systems and an overview of the basic vibration concepts in Chapter 1. The coordinate systems and the kinematics of the rotor motion are presented in Chapter 2. A simple two-degrees-of-freedom rotor system, the Laval-Jeffcott rotor model, is utilized in Chapter 3 to demonstrate many important phenomena in rotordynamics. This simple 2DOF model provides many valuable physical insights into more practical and complicated systems. Chapter 4 discusses the rotating disk equations and rigid rotor dynamics. Chapter 5 covers the finite element formulation for a rotating shaft element. Chapter 6 deals with various types of bearings, dampers, seals and other interconnection components. All the reaction forces from these components are non-linear in nature. The concept of linearization around the static equilibrium is discussed. Chapter 7 summarizes the lateral vibration study with several practical examples. Various solution techniques and interpretation of the results are discussed. Chapter 8 is devoted to the important subject of torsional vibration. Finally, a brief description of the balancing method, influence coefficient method is presented in Chapter 9.