Bearing Dynamic Coefficients In Rotordynamics
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Bearing Dynamic Coefficients In Rotordynamics
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Author : Lukasz Brenkacz
language : en
Publisher: John Wiley & Sons
Release Date : 2021-03-29
Bearing Dynamic Coefficients In Rotordynamics written by Lukasz Brenkacz and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-29 with Technology & Engineering categories.
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.
Iutam Symposium On Emerging Trends In Rotor Dynamics
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Author : K. Gupta
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-01-06
Iutam Symposium On Emerging Trends In Rotor Dynamics written by K. Gupta and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-01-06 with Technology & Engineering categories.
Rotor dynamics is an important branch of dynamics that deals with behavior of rotating machines ranging from very large systems like power plant rotors, for example, a turbogenerator, to very small systems like a tiny dentist’s drill, with a variety of rotors such as pumps, compressors, steam/gas turbines, motors, turbopumps etc. as used for example in process industry, falling in between. The speeds of these rotors vary in a large range, from a few hundred RPM to more than a hundred thousand RPM. Complex systems of rotating shafts depending upon their specific requirements, are supported on different types of bearings. There are rolling element bearings, various kinds of fluid film bearings, foil and gas bearings, magnetic bearings, to name but a few. The present day rotors are much lighter, handle a large amount of energy and fluid mass, operate at much higher speeds, and therefore are most susceptible to vibration and instability problems. This have given rise to several interesting physical phenomena, some of which are fairly well understood today, while some are still the subject of continued investigation. Research in rotor dynamics started more than one hundred years ago. The progress of the research in the early years was slow. However, with the availability of larger computing power and versatile measurement technologies, research in all aspects of rotor dynamics has accelerated over the past decades. The demand from industry for light weight, high performance and reliable rotor-bearing systems is the driving force for research, and new developments in the field of rotor dynamics. The symposium proceedings contain papers on various important aspects of rotor dynamics such as, modeling, analytical, computational and experimental methods, developments in bearings, dampers, sealsincluding magnetic bearings, rub, impact and foundation effects, turbomachine blades, active and passive vibration control strategies including control of instabilities, nonlinear and parametric effects, fault diagnostics and condition monitoring, and cracked rotors. This volume is of immense value to teachers, researchers in educational institutes, scientists, researchers in R&D laboratories and practising engineers in industry.
Rotordynamics Of Gas Lubricated Journal Bearing Systems
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Author : Krzysztof Czolczynski
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Rotordynamics Of Gas Lubricated Journal Bearing Systems written by Krzysztof Czolczynski and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Gas bearings have been used to support rotating parts in a wide range of applications - from magnetic recording heads in computer disk drives to gyroscopes and special machine tools. The advantage of gas bearings is the very low viscosity of air compared to that of most oils used in lubrication. As a result, not only is there much less frictional heat to dissipate, but the bearing remains very nearly isothermal. Gas bearings can thus support rotors spinning at much higher rotational velocities than those lubricated with liquids. This book discusses models for the behavior of gas bearings, particularly of the aspects affecting the stability of the system. It begins with a discussion of the mathematical models, identifying the stiffness and damping coefficients, and describing the behavior of the models in unstable regions. It then turns to apply these results to bearings: static characteristics and stability of various rotor systems and an extensive discussion of air rings.
Rotordynamics 92
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Author : Michael J. Goodwin
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Rotordynamics 92 written by Michael J. Goodwin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Designers and operators of rotating machinery have to deal with the effects of machine vibration and wear. The increasing demands for quieter machine operation, longer machine life and a greater efficiency of operation have led to the use of sophisticated design aids. Research into rotating machinery is therefore of substantial and increasing importance. Rotordynamics '92 provides a record of some of the most recent research methods and results relating to the design and operation of rotating machinery. The conference is international in character and draws on research from a wide range of respected sources.
Proceedings Of The 9th Iftomm International Conference On Rotor Dynamics
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Author : Paolo Pennacchi
language : en
Publisher: Springer
Release Date : 2015-05-26
Proceedings Of The 9th Iftomm International Conference On Rotor Dynamics written by Paolo Pennacchi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-26 with Technology & Engineering categories.
This book presents the proceedings of the 9th IFToMM International Conference on Rotor Dynamics. This conference is a premier global event that brings together specialists from the university and industry sectors worldwide in order to promote the exchange of knowledge, ideas, and information on the latest developments and applied technologies in the dynamics of rotating machinery. The coverage is wide ranging, including, for example, new ideas and trends in various aspects of bearing technologies, issues in the analysis of blade dynamic behavior, condition monitoring of different rotating machines, vibration control, electromechanical and fluid-structure interactions in rotating machinery, rotor dynamics of micro, nano and cryogenic machines, and applications of rotor dynamics in transportation engineering. Since its inception 32 years ago, the IFToMM International Conference on Rotor Dynamics has become an irreplaceable point of reference for those working in the field and this book reflects the high quality and diversity of content that the conference continues to guarantee.
Machinery Vibration And Rotordynamics
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Author : John M. Vance
language : en
Publisher: John Wiley & Sons
Release Date : 2010-06-17
Machinery Vibration And Rotordynamics written by John M. Vance and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-17 with Technology & Engineering categories.
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.
Proceedings Of The 6th National Symposium On Rotor Dynamics
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Author : J. S. Rao
language : en
Publisher: Springer Nature
Release Date : 2020-10-13
Proceedings Of The 6th National Symposium On Rotor Dynamics written by J. S. Rao and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-13 with Technology & Engineering categories.
This book presents select papers presented during the 6th National Symposium on Rotor Dynamics, held at CSIR-NAL, Bangalore, and focuses on the latest trends in rotor dynamics and various challenges encountered in the design of rotating machinery. The book is of interest to researchers from mechanical, aerospace, tribology and power industries, engineering service providers and academics.
Proceedings Of The 10th International Conference On Rotor Dynamics Iftomm
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Author : Katia Lucchesi Cavalca
language : en
Publisher: Springer
Release Date : 2018-08-20
Proceedings Of The 10th International Conference On Rotor Dynamics Iftomm written by Katia Lucchesi Cavalca and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-20 with Technology & Engineering categories.
IFToMM conferences have a history of success due to the various advances achieved in the field of rotor dynamics over the past three decades. These meetings have since become a leading global event, bringing together specialists from industry and academia to promote the exchange of knowledge, ideas, and information on the latest developments in the dynamics of rotating machinery. The scope of the conference is broad, including e.g. active components and vibration control, balancing, bearings, condition monitoring, dynamic analysis and stability, wind turbines and generators, electromechanical interactions in rotor dynamics and turbochargers. The proceedings are divided into four volumes. This first volume covers the following main topics: Active Components and Vibration Control; Balancing; Bearings: Fluid Film Bearings, Magnetic Bearings, Rolling Bearings and Seals; and Blades, Bladed Systems and Impellers.
Rotordynamic Instability Problems In High Performance Turbomachinery 1996
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Author :
language : en
Publisher:
Release Date : 1997
Rotordynamic Instability Problems In High Performance Turbomachinery 1996 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Integrated Computer Technologies In Mechanical Engineering 2024
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Author : Oleksii Lytvynov
language : en
Publisher: Springer Nature
Release Date : 2025-08-20
Integrated Computer Technologies In Mechanical Engineering 2024 written by Oleksii Lytvynov and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-08-20 with Technology & Engineering categories.
This book covers areas such as information technology in engine design and production; information technology in the creation of rocket and space systems; aerospace engineering; transport systems and logistics; big data and data science; nanomodeling; artificial intelligence and intelligent systems; networks and communications; cyber-physical systems and IoE; as well as software engineering and IT infrastructure. The materials were tested during the International Scientific and Technical Conference "Integrated Computer Technologies in Mechanical Engineering"—Synergetic Engineering (ICTM) was established by the National Aerospace University "Kharkiv Aviation Institute". The ICTM'2024 conference was held in Kharkiv, Ukraine, in December 2024. During this conference, technical exchange between the scientific community was carried out in the form of keynote speeches, panel discussions and a special session. More than 140 papers from different countries were received at ICTM'2024. The book offers us a lot of valuable information and is very useful for the exchange of experience between scientists in the field of modeling and simulation. ICTM was created to bring together outstanding researchers and practitioners in the field of information technology in the design and manufacture of engines; the creation of rocket and space systems, aerospace engineering from all over the world to exchange experiences and expertise.