Self Excited Vibration

Author : Wenjing Ding
Publisher : Springer Science & Business Media
Page : 414 pages
File Size : 55,6 Mb
Release : 2013-01-20
Category : Technology & Engineering
ISBN : 9783540697411

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Self-Excited Vibration by Wenjing Ding Pdf

Based on a systematic understanding of its theoretical foundations, “Self-Excited Vibration: Theory, Paradigms, and Research Methods” offers a method for analyzing any type of self-excited vibration (SEV). After summarizing the research results of various SEV phenomenon, including chatter, shimmy, rotor whirl, flutter, gallop, and SEV of man-made control systems, the author constructs a general constitutive mechanism of SEV, as well as a common research program and detailed analysis technique. All of these will help the reader independently analyze any new SEV phenomena. Prof. Wenjing Ding was the Director of the Dynamics and Vibration Division of the Engineering Mechanics Department of Tsinghua University, China.

Author : 丁文镜
Publisher : Unknown
Page : 397 pages
File Size : 48,9 Mb
Release : 2012
Category : Electronic books
ISBN : 7302242968

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自激振动 by 丁文镜 Pdf

Author : Gottfried Spelsberg-Korspeter
Publisher : Springer Science & Business Media
Page : 101 pages
File Size : 45,5 Mb
Release : 2013-03-23
Category : Technology & Engineering
ISBN : 9783642365522

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Robust Structural Design against Self-Excited Vibrations by Gottfried Spelsberg-Korspeter Pdf

This book studies methods for a robust design of rotors against self-excited vibrations. The occurrence of self-excited vibrations in engineering applications if often unwanted and in many cases difficult to model. Thinking of complex systems such as machines with many components and mechanical contacts, it is important to have guidelines for design so that the functionality is robust against small imperfections. This book discusses the question on how to design a structure such that unwanted self-excited vibrations do not occur. It shows theoretically and practically that the old design rule to avoid multiple eigenvalues points toward the right direction and have optimized structures accordingly. This extends results for the well-known flutter problem in which equations of motion with constant coefficients occur to the case of a linear conservative system with arbitrary time periodic perturbations.

Author : Osami Matsushita,Masato Tanaka,Masao Kobayashi,Patrick Keogh,Hiroshi Kanki
Publisher : Springer
Page : 573 pages
File Size : 47,8 Mb
Release : 2019-06-04
Category : Technology & Engineering
ISBN : 4431554521

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Vibrations of Rotating Machinery by Osami Matsushita,Masato Tanaka,Masao Kobayashi,Patrick Keogh,Hiroshi Kanki Pdf

Building on the previous volume “Vibrations of Rotating Machinery - Volume 1. Basic Rotordynamics: Introduction to Practical Vibration Analysis,” this book is intended for all practical designers and maintenance experts who are responsible for the reliable manufacturing and operation of rotating machinery. It opens with the dynamics of oil film bearings and their influences on unbalance, vibration resonance and the stability of rotor whirl motion. Subsequently, the book introduces readers to vibration diagnosis techniques for traditional ball bearings and active vibration control from magnetic bearings. Case studies on vibration problems and troubleshooting in industrial turbo machines are then presented and explained, showing rotor designers how to eliminate instability and modify resonance characteristics. Torsional vibration and other coupled vibration phenomena are discussed, and vibration measurement techniques and related signal processing procedures for vibration diagnosis are provided. Our latest three topics are included, covering: (a) the importance of the modeling order reduction (MOR) technique; (b) the approximate evaluation for oil-wheel/whip instability; and (c) a systematic method for shafting-blading coupled vibration analyses. In closing, a 100-question trial test is supplied as an example of the certification of vibration experts based on the ISO standard.

Author : Tomomichi Nakamura,Shigehiko Kaneko
Publisher : Elsevier
Page : 311 pages
File Size : 40,7 Mb
Release : 2008-06-17
Category : Science
ISBN : 9780080559131

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Flow Induced Vibrations by Tomomichi Nakamura,Shigehiko Kaneko Pdf

In many plants, vibration and noise problems occur due to fluid flow, which can greatly disrupt smooth plant operations. These flow-related phenomena are called Flow-Induced Vibration.This book explains how and why such vibrations happen and provides hints and tips on how to avoid them in future plant design. The world-leading author team doesn’t assume prior knowledge of mathematical methods and provide the reader with information on the basics of modeling. The book includes several practical examples and thorough explanations of the structure, the evaluation method and the mechanisms to aid understanding of flow induced vibration. Helps ensure smooth plant operations Explains the structure, evaluation method and mechanisms Shows how to avoid vibrations in future plant design

Author : G. Diana
Publisher : Springer
Page : 363 pages
File Size : 41,6 Mb
Release : 2014-05-04
Category : Technology & Engineering
ISBN : 9783709127063

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Diagnostics of Rotating Machines in Power Plants by G. Diana Pdf

The papers presented on this occasion examined the most significant aspects of diagnostic strategies, emphasizing the importance of predictive maintenance in reducing production shortages and the costs of plant management. The contributions of these authors allow a critical comparison of the varied experiences in developing and applying the different diagnostic methodologies employed in several parts of the world. The following problems are discussed: characteristics of condition monitoring systems - data acquisition techniques and data processing methodologies; choice of transducers and of measurement point locations; data compression techniques; alarm levels evaluation (acceptance regions); strategies for detecting malfunction conditions; diagnostic methodologies for the on-line and off-line identification of the cause of fault; expert systems; definition of the guidelines for the presentation in control rooms of monitoring data and diagnostic results; rotordynamic models used, off-line, to confirm faults diagnosed on-line.

Author : Abdulla S. Rangwala
Publisher : New Age International
Page : 556 pages
File Size : 40,8 Mb
Release : 2006
Category : Machinery, Dynamics of
ISBN : 8122418139

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Reciprocating Machinery Dynamics by Abdulla S. Rangwala Pdf

This Book Primarily Written To Meet The Needs Of Practicing Engineers In A Large Variety Of Industries Where Reciprocating Machines Are Used, Although All Of The Material Is Suitable For College Undergraduate Level Design Engineering Courses. It Is Expected That The Reader Is Familiar With Basic To Medium Level Calculus Offered At The College Undergraduate Level.The First Chapter Of The Book Deals With Classical Vibration Theory, Starting With A Single Degree Of Freedom System, To Develop Concepts Of Damping, Response And Unbalance. The Second Chapter Deals With Types And Classification Of Reciprocating Machines, While The Third Chapter Discusses Detail-Design Aspects Of Machine Components. The Fourth Chapter Introduces The Dynamics Of Slider And Cranks Mechanism, And Provides Explanation Of The Purpose And Motion Of Various Components.The Fifth Chapter Looks Into Dynamic Forces Created In The System, And Methods To Balance Gas Pressure And Inertia Loads. The Sixth Chapter Explains The Torsional Vibration Theory And Looks At The Different Variables Associated With It. Chapter Seven Analyzes Flexural Vibrations And Lateral Critical Speed Concepts, Together With Journal Bearings And Their Impact On A Rotating System. Advanced Analytical Techniques To Determine Dynamic Characteristics Of All Major Components Of Reciprocating Machinery Are Presented In Chapter Eight. Methods To Mitigate Torsional Vibrations In A Crankshaft Using Absorbers Are Analyzed In Close Detail. Various Mechanisms Of Flexural Excitation Sources And Their Response On A Rotor-Bearing System Are Explored. Stability Of A Rotor And Different Destabilizing Mechanisms Are Also Included In This Chapter.Techniques In Vibration Measurement And Balancing Of Reciprocating And Rotating Systems Are Presented In Chapter Nine. Chapter Ten Looks At Computational Fluid Dynamics Aspects Of Flow Through Intake And Exhaust Manifolds, As Well As Fluid Flow Induced Component Vibrations. Chapter Eleven Extends This Discussion To Pressure Pulsations In Piping Attached To Reciprocating Pumps And Compressors. Chapter Twelve Considers The Interaction Between The Structural Dynamics Of Components And Noise, Together With Methods To Improve Sound Quality. Optimized Design Of Components Of Reciprocating Machinery For Specified Parameters And Set Target Values Is Investigated At Length In Chapter Thirteen. Practicing Engineers Interested In Applying The Theoretical Model To Their Own Operating System Will Find Case Histories Shown In Chapter FourteenUseful.

Author : Subrata Kumar Chakrabarti
Publisher : World Scientific
Page : 488 pages
File Size : 53,5 Mb
Release : 2002
Category : Science
ISBN : 9810249225

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The Theory and Practice of Hydrodynamics and Vibration by Subrata Kumar Chakrabarti Pdf

This book covers the basics of the hydrodynamics and vibration of structures subjected to environmental loads. It describes the interaction of hydrodynamics with the associated vibration of structures, giving simple explanations. Emphasis is placed on the applications of the theory to practical problems. Several case studies are provided to show how the theory outlined in the book is applied in the design of structures. Background material needed for understanding fluid-induced vibrations of structures is given to make the book reasonably self-sufficient. Examples are taken mainly from the novel structures that are of interest today, including ocean and offshore structures and components. Besides being a text for undergraduates, this book can serve as a handy reference for design engineers and consultants involved in the design of structures subjected to dynamics and vibration.

Author : Kai Cheng
Publisher : Springer Science & Business Media
Page : 341 pages
File Size : 55,9 Mb
Release : 2008-10-26
Category : Technology & Engineering
ISBN : 9781846283680

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Machining Dynamics by Kai Cheng Pdf

Machining dynamics play an essential role in the performance of the machine tools and machining processes which directly affect the removal rate, workpiece surface quality and dimensional and form accuracy. Machining Dynamics: Fundamentals and Applications will be bought by advanced undergraduate and postgraduate students studying manufacturing engineering and machining technology in addition to manufacturing engineers, production supervisors, planning and application engineers, and designers.

Author : Esin Inan,Ahmet Kiris
Publisher : Springer Science & Business Media
Page : 550 pages
File Size : 55,8 Mb
Release : 2007-01-20
Category : Science
ISBN : 9781402054013

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The Seventh International Conference on Vibration Problems ICOVP 2005 by Esin Inan,Ahmet Kiris Pdf

This volume presents the Proceedings of the Seventh International Conference on Vibration Problems, held in Istanbul, Turkey, September 5-9, 2005. The main objective being to stimulate a broad interdisciplinary research. The topics covered in the book vary from the effect of ground motion on the stochastic response of suspension bridges to coupling effects between different vibrations in rotor-blade systems.

Author : Ronald J. Anderson
Publisher : John Wiley & Sons
Page : 284 pages
File Size : 45,5 Mb
Release : 2020-06-08
Category : Technology & Engineering
ISBN : 9781119053651

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Introduction to Mechanical Vibrations by Ronald J. Anderson Pdf

An in-depth introduction to the foundations of vibrations for students of mechanical engineering For students pursuing their education in Mechanical Engineering, An Introduction to Mechanical Vibrations is a definitive resource. The text extensively covers foundational knowledge in the field and uses it to lead up to and include: finite elements, the inerter, Discrete Fourier Transforms, flow-induced vibrations, and self-excited oscillations in rail vehicles. The text aims to accomplish two things in a single, introductory, semester-length, course in vibrations. The primary goal is to present the basics of vibrations in a manner that promotes understanding and interest while building a foundation of knowledge in the field. The secondary goal is to give students a good understanding of two topics that are ubiquitous in today's engineering workplace - finite element analysis (FEA) and Discrete Fourier Transforms (the DFT- most often seen in the form of the Fast Fourier Transform or FFT). FEA and FFT software tools are readily available to both students and practicing engineers and they need to be used with understanding and a degree of caution. While these two subjects fit nicely into vibrations, this book presents them in a way that emphasizes understanding of the underlying principles so that students are aware of both the power and the limitations of the methods. In addition to covering all the topics that make up an introductory knowledge of vibrations, the book includes: ● End of chapter exercises to help students review key topics and definitions ● Access to sample data files, software, and animations via a dedicated website

Author : Aleš Tondl
Publisher : Unknown
Page : 202 pages
File Size : 50,7 Mb
Release : 1976
Category : Vibration
ISBN : OCLC:251414745

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On the Interaction Between Self-excited and Forced Vibrations by Aleš Tondl Pdf

Author : Andrew Ball,Len Gelman,B. K. N. Rao
Publisher : Springer Nature
Page : 1566 pages
File Size : 51,6 Mb
Release : 2020-08-27
Category : Technology & Engineering
ISBN : 9783030577452

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Advances in Asset Management and Condition Monitoring by Andrew Ball,Len Gelman,B. K. N. Rao Pdf

This book gathers select contributions from the 32nd International Congress and Exhibition on Condition Monitoring and Diagnostic Engineering Management (COMADEM 2019), held at the University of Huddersfield, UK in September 2019, and jointly organized by the University of Huddersfield and COMADEM International. The aim of the Congress was to promote awareness of the rapidly emerging interdisciplinary areas of condition monitoring and diagnostic engineering management. The contents discuss the latest tools and techniques in the multidisciplinary field of performance monitoring, root cause failure modes analysis, failure diagnosis, prognosis, and proactive management of industrial systems. There is a special focus on digitally enabled asset management and covers several topics such as condition monitoring, maintenance, structural health monitoring, non-destructive testing and other allied areas. Bringing together expert contributions from academia and industry, this book will be a valuable resource for those interested in latest condition monitoring and asset management techniques.

Author : Hanmin Shi
Publisher : Springer
Page : 364 pages
File Size : 47,9 Mb
Release : 2018-02-27
Category : Technology & Engineering
ISBN : 9783319735610

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Metal Cutting Theory by Hanmin Shi Pdf

This book summarizes the author’s lifetime achievements, offering new perspectives and approaches in the field of metal cutting theory and its applications. The topics discussed include Non-Euclidian Geometry of Cutting Tools, Non-free Cutting Mechanics and Non-Linear Machine Tool Dynamics, applying non-linear science/complexity to machining, and all the achievements and their practical significance have been theoretically proved and experimentally verified.

Author : S. Ziada,M. Samir,T. Staubli
Publisher : CRC Press
Page : 862 pages
File Size : 55,7 Mb
Release : 2000-01-01
Category : Science
ISBN : 9781482283747

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Flow-Induced Vibration by S. Ziada,M. Samir,T. Staubli Pdf

Flow-induced vibrations and noise continue to cause problems in a wide range of engineering applications ranging from civil engineering and marine structures to power generation and chemical processing. These proceedings bring together more than a hundred papers dealing with a variety of topics relating to flow-induced vibration and noise. The cont