Basic Machinery Vibrations

Basic Machinery Vibrations
Author: Ronald L. Eshleman,Judith Nagle- Eshleman
Publsiher: Vipress
Total Pages: 135
Release: 1999-01-01
Genre: Machinery
ISBN: 0966950003

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Vibrations of Rotating Machinery

Vibrations of Rotating Machinery
Author: Osami Matsushita,Masato Tanaka,Hiroshi Kanki,Masao Kobayashi,Patrick Keogh
Publsiher: Springer
Total Pages: 360
Release: 2017-05-22
Genre: Technology & Engineering
ISBN: 9784431554561

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This book opens with an explanation of the vibrations of a single degree-of-freedom (dof) system for all beginners. Subsequently, vibration analysis of multi-dof systems is explained by modal analysis. Mode synthesis modeling is then introduced for system reduction, which aids understanding in a simplified manner of how complicated rotors behave. Rotor balancing techniques are offered for rigid and flexible rotors through several examples. Consideration of gyroscopic influences on the rotordynamics is then provided and vibration evaluation of a rotor-bearing system is emphasized in terms of forward and backward whirl rotor motions through eigenvalue (natural frequency and damping ratio) analysis. In addition to these rotordynamics concerning rotating shaft vibration measured in a stationary reference frame, blade vibrations are analyzed with Coriolis forces expressed in a rotating reference frame. Other phenomena that may be assessed in stationary and rotating reference frames include stability characteristics due to rotor internal damping and instabilities due to asymmetric shaft stiffness and thermal unbalance behavior.

Rotating Machinery Vibration

Rotating Machinery Vibration
Author: Maurice L. Adams
Publsiher: CRC Press
Total Pages: 478
Release: 2010-08-09
Genre: Technology & Engineering
ISBN: 9781439847558

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Diagnosis and correction are critical tasks for the vibrations engineer. Many causes of rotor vibration are so subtle and pervasive that excessive vibration continues to occur despite the use of usually effective design practices and methods of avoidance. Rotating Machinery Vibration: From Analysis to Troubleshooting provides a comprehensive, consolidated overview of the fundamentals of rotating machinery vibration and addresses computer model building, sources and types of vibration, and machine vibration signal analysis. This reference is a powerful tool to strengthen vital in-house competency on the subject for professionals in a variety of fields. After presenting governing fundamental principles and background on modern measurement, computational tools, and troubleshooting methods, the author provides practical instruction and demonstration on how to diagnose vibration problems and formulate solutions. The topic is covered in four sequential sections: Primer on Rotor Vibration, Use of Rotor Dynamic Analyses, Monitoring and Diagnostics, and Troubleshooting Case Studies. This book includes comprehensive descriptions of vibration symptoms for rotor unbalance, dynamic instability, rotor-stator rubs, misalignment, loose parts, cracked shafts, and rub-induced thermal bows. It is an essential reference for mechanical, chemical, design, manufacturing, materials, aerospace, and reliability engineers. Particularly useful as a reference for specialists in vibration, rotating machinery, and turbomachinery, it also makes an ideal text for upper-level undergraduate and graduate students in these disciplines.

Vibration of Hydraulic Machinery

Vibration of Hydraulic Machinery
Author: Yulin Wu,Shengcai Li,Shuhong Liu,Hua-Shu Dou,Zhongdong Qian
Publsiher: Springer Science & Business Media
Total Pages: 500
Release: 2014-07-08
Genre: Technology & Engineering
ISBN: 9789400764224

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Vibration of Hydraulic Machinery deals with the vibration problem which has significant influence on the safety and reliable operation of hydraulic machinery. It provides new achievements and the latest developments in these areas, even in the basic areas of this subject. The present book covers the fundamentals of mechanical vibration and rotordynamics as well as their main numerical models and analysis methods for the vibration prediction. The mechanical and hydraulic excitations to the vibration are analyzed, and the pressure fluctuations induced by the unsteady turbulent flow is predicted in order to obtain the unsteady loads. This book also discusses the loads, constraint conditions and the elastic and damping characters of the mechanical system, the structure dynamic analysis, the rotor dynamic analysis and the system instability of hydraulic machines, including the illustration of monitoring system for the instability and the vibration in hydraulic units. All the problems are necessary for vibration prediction of hydraulic machinery.

Mechanical Vibrations and Condition Monitoring

Mechanical Vibrations and Condition Monitoring
Author: Juan Carlos A. Jauregui Correa,Alejandro A. Lozano Guzman
Publsiher: Academic Press
Total Pages: 208
Release: 2020-03-18
Genre: Technology & Engineering
ISBN: 9780128197967

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Mechanical Vibrations and Condition Monitoring presents a collection of data and insights on the study of mechanical vibrations for the predictive maintenance of machinery. Seven chapters cover the foundations of mechanical vibrations, spectrum analysis, instruments, causes and effects of vibration, alignment and balancing methods, practical cases, and guidelines for the implementation of a predictive maintenance program. Readers will be able to use the book to make predictive maintenance decisions based on vibration analysis. This title will be useful to senior engineers and technicians looking for practical solutions to predictive maintenance problems. However, the book will also be useful to technicians looking to ground maintenance observations and decisions in the vibratory behavior of machine components. Presents data and insights into mechanical vibrations in condition monitoring and the predictive maintenance of industrial machinery Defines the key concepts related to mechanical vibration and its application for predicting mechanical failure Describes the dynamic behavior of most important mechanical components found in industrial machinery Explains fundamental concepts such as signal analysis and the Fourier transform necessary to understand mechanical vibration Provides analysis of most sources of failure in mechanical systems, affording an introduction to more complex signal analysis

PRACTICAL CASE STUDIES ON VIBRATION ANALYSIS

PRACTICAL CASE STUDIES ON VIBRATION ANALYSIS
Author: Debasis Bhattacharyya
Publsiher: Notion Press
Total Pages: 186
Release: 2021-06-01
Genre: Technology & Engineering
ISBN: 9781638507147

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Vibration analysis is one of the most popular contemporary technologies pertaining to fault diagnosis and predictive maintenance for machineries. Beginning with a segment on the basics of vibration analysis, this book further presents 30 authentic case studies involving problems encountered in real life. This book will serve as a useful guide for the beginners in the field and it will also be an asset to practicing engineers and consultants in developing new insights from the wide range of case studies presented in the book.

Machinery Vibration and Rotordynamics

Machinery Vibration and Rotordynamics
Author: John M. Vance,Fouad Y. Zeidan,Brian G. Murphy
Publsiher: John Wiley & Sons
Total Pages: 416
Release: 2010-06-17
Genre: Technology & Engineering
ISBN: 0470916079

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An in-depth analysis of machine vibration in rotating machinery Whether it's a compressor on an offshore platform, a turbocharger in a truck or automobile, or a turbine in a jet airplane, rotating machinery is the driving force behind almost anything that produces or uses energy. Counted on daily to perform any number of vital societal tasks, turbomachinery uses high rotational speeds to produce amazing amounts of power efficiently. The key to increasing its longevity, efficiency, and reliability lies in the examination of rotor vibration and bearing dynamics, a field called rotordynamics. A valuable textbook for beginners as well as a handy reference for experts, Machinery Vibration and Rotordynamics is teeming with rich technical detail and real-world examples geared toward the study of machine vibration. A logical progression of information covers essential fundamentals, in-depth case studies, and the latest analytical tools used for predicting and preventing damage in rotating machinery. Machinery Vibration and Rotordynamics: Combines rotordynamics with the applications of machinery vibration in a single volume Includes case studies of vibration problems in several different types of machines as well as computer simulation models used in industry Contains fundamental physical phenomena, mathematical and computational aspects, practical hardware considerations, troubleshooting, and instrumentation and measurement techniques For students interested in entering this highly specialized field of study, as well as professionals seeking to expand their knowledge base, Machinery Vibration and Rotordynamics will serve as the one book they will come to rely upon consistently.

Rotating Machinery Vibration

Rotating Machinery Vibration
Author: Maurice L. Adams
Publsiher: CRC Press
Total Pages: 642
Release: 2000-10-24
Genre: Technology & Engineering
ISBN: 0203902165

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This comprehensivereference/text provides a thorough grounding in the fundamentals of rotating machinery vibration-treating computer model building, sources and types of vibration, and machine vibration signal analysis. Illustrating turbomachinery, vibration severity levels, condition monitoring, and rotor vibration cause identification, Ro