Turbomachinery Rotordynamics
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| Author | : Dara Childs |
| Publisher | : John Wiley & Sons |
| Total Pages | : 496 |
| Release | : 1993-04-16 |
| Genre | : Science |
| ISBN | : 9780471538400 |
Imparts the theory and analysis regarding the dynamics of rotating machinery in order to design such rotating devices as turbines, jet engines, pumps and power-transmission shafts. Takes into account the forces acting upon machine structures, bearings and related components. Provides numerical techniques for analyzing and understanding rotor systems with examples of actual designs. Features an excellent treatment of numerical methods available to obtain computer solutions for authentic design problems.
| Author | : John M. Vance |
| Publisher | : John Wiley & Sons |
| Total Pages | : 404 |
| Release | : 1991-01-16 |
| Genre | : Technology & Engineering |
| ISBN | : 9780471802587 |
Describes the rotordynamic considerations that are important to the successful design or troubleshooting of a turbomachine. Shows how bearing design, fluid seals, and rotor geometry affect rotordynamic behavior (vibration, shaft whirling, bearing loads, and critical speeds), and describes two successful computational methods for rotordynamic analysis in terms that can be understood by practicing engineers. Gives descriptive accounts of the state of the art in several areas of the field and presents important mathematical or computational concepts, describing equations and formulas in physical terms for better understanding. Also offers tips for troubleshooting unstable machines and provides practical interpretations of vibration measurements.
| Author | : John M. Vance |
| Publisher | : John Wiley & Sons |
| Total Pages | : 448 |
| Release | : 2010-06-17 |
| Genre | : Technology & Engineering |
| ISBN | : 0470916079 |
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.
| Author | : Duncan Nicol Walker |
| Publisher | : |
| Total Pages | : 340 |
| Release | : 2020-09-15 |
| Genre | : |
| ISBN | : |
Rotor dynamics model creation and analyses are essential parts of new machine design and development for lateral, torsional and axial vibration. These processes are also needed for addressing vibration problems or failure investigations for equipment in service.Lack of sufficient experience by analysts can result in creation of vibration mathematical models that are inadequate for these purposes. Reliance on sophisticated analytical tools that are commercially available will not help achieve needed accuracy of results if inadequate model data are used. This book focuses on large high speed turbine-generators as are they are difficult to model. Information provided gives guidance for preparing suitable models, defines analysis methods and interpretation of vibration results. Numerous case studies are provided showing model creation and definition and corresponding torsional and lateral vibration results. Expected accuracy of vibration predictions is provided. Processes such as high speed balancing and fatigue life consumption estimation is discussed in detail. Reference is made to relevant domestic and international vibration standards.
| Author | : Andrew D. Dimarogonas |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 280 |
| Release | : 2013-02-19 |
| Genre | : Technology & Engineering |
| ISBN | : 9400759053 |
The design and construction of rotating machinery operating at supercritical speeds was, in the 1920s, an event of revolutionary importance for the then new branch of dynamics known as rotor dynamics. In the 1960s, another revolution occurred: In less than a decade, imposed by operational and economic needs, an increase in the power of turbomachinery by one order of magnitude took place. Dynamic analysis of complex rotor forms became a necessity, while the importance of approximate methods for dynamic analysis was stressed. Finally, the emergence of fracture mechanics, as a new branch of applied mechanics, provided analytical tools to investigate crack influence on the dynamic behavior of rotors. The scope of this book is based on all these developments. No topics related to the well-known classical problems are included, rather the book deals exclusively with modern high-power turbomachinery.
| Author | : Hung Nguyen-Schäfer |
| Publisher | : Springer |
| Total Pages | : 367 |
| Release | : 2015-05-15 |
| Genre | : Technology & Engineering |
| ISBN | : 3319176447 |
Rotordynamics of automotive turbochargers is dealt with in this book encompassing the widely working field of small turbomachines under real operating conditions at the very high rotor speeds up to 300000 rpm. The broadly interdisciplinary field of turbocharger rotordynamics involves 1) Thermodynamics and Turbo-Matching of Turbochargers 2) Dynamics of Turbomachinery 3) Stability Analysis of Linear Rotordynamics with the Eigenvalue Theory 4) Stability Analysis of Nonlinear Rotordynamics with the Bifurcation Theory 5) Bearing Dynamics of the Oil Film using the Two-Phase Reynolds Equation 6) Computation of Nonlinear Responses of a Turbocharger Rotor 7) Aero and Vibroacoustics of Turbochargers 8) Shop and Trim Balancing at Two Planes of the Rotor 9) Tribology of the Bearing Surface Roughness 10) Design of Turbocharger Platforms using the Similarity Laws The rotor response of an automotive turbocharger at high rotor speeds is studied analytically, computationally, and experimentally. Due to the nonlinear characteristics of the oil-film bearings, some nonlinear responses of the rotor besides the harmonic response 1X, such as oil whirl, oil whip, and modulated frequencies occur in Waterfall diagram. Additionally, the influences of the surface roughness and oil characteristics on the rotor behavior, friction, and wear are discussed. This book is written by an industrial R&D expert with many years of experience in the automotive and turbocharger industries. The all-in-one book of turbochargers is intended for scientific and engineering researchers, practitioners working in the rotordynamics field of automotive turbochargers, and graduate students in applied physics and mechanical engineering.
| Author | : Agnieszka Muszynska |
| Publisher | : CRC Press |
| Total Pages | : 1100 |
| Release | : 2005-05-20 |
| Genre | : Science |
| ISBN | : 1420027794 |
As the most important parts of rotating machinery, rotors are also the most prone to mechanical vibrations, which may lead to machine failure. Correction is only possible when proper and accurate diagnosis is obtained through understanding of rotor operation and all of the potential malfunctions that may occur. Mathematical modeling, in particular
| Author | : Erwin Krämer |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 378 |
| Release | : 2013-03-09 |
| Genre | : Technology & Engineering |
| ISBN | : 3662027984 |
Rotordynamics are of great importance in the design, manufacture and assembly of turbomachines as well as in ensuring their safe operation. Also important are the dynamics of the foundation and its interaction with the dynamics of the rotor. This book is divided into four parts. Following a presentation of the basic theory the dynamics of rotors supported on several bearings. The third part describes the dynamics of foundations of turbine line-outs and the calculations for a turbomachine coupled with its foundation. The last part includes a section on estimation procedures, a comprehensive presentation of the theoryand practice of rotors having a transverse crack, a section on the mathematical fundamentals and a description of the computer program used for the examples in the book. The book addresses both the practical engineer and the theoretician and should provide manufacturers, operators, university and polytechnic lecturers and students with an understanding of the vibrations of turbomachines. The results are described in such a way that they can be easily understood and applied.
| Author | : Erian A. Baskharone |
| Publisher | : Cambridge University Press |
| Total Pages | : 599 |
| Release | : 2006-07-31 |
| Genre | : Science |
| ISBN | : 0521858100 |
This book is intended for advanced undergraduate and graduate students in mechanical and aerospace engineering taking a course commonly called Principles of Turbomachinery or Aerospace Propulsion. The book begins with a review of basic thermodynamics and fluid mechanics principles to motive their application to aerothermodynamics and real-life design issues. This approach is ideal for the reader who will face practical situations and design decisions in the gas turbine industry. The text is fully supported by over 200 figures, numerous examples, and homework problems.
| Author | : Tadashi Tanuma |
| Publisher | : Woodhead Publishing |
| Total Pages | : 681 |
| Release | : 2022-07-15 |
| Genre | : Technology & Engineering |
| ISBN | : 0323915515 |
Advances in Steam Turbines for Modern Power Plants, second edition, provides a fully revised and updated comprehensive review of steam turbine design, optimization, analysis and measurement. Editor Tadashi Tanuma and his team of expert contributors from around the globe have updated each chapter to reflect the latest research and experiences in the field, to help progress thermal power generation to meet sustainability goals. This book presents modern technologies for the design and development of steam turbines that supply affordable, reliable and stable power with much lower CO2 emissions. With the addition of two new chapters on 'Steam turbine mechanical design and analysis for high temperature, large and rapid change of temperature conditions' and 'Steam valves with low pressure losses' this edition will support students, researchers and professional engineers in designing and developing their own economical and environmentally concerned thermal power plants. - Fully updated to include the latest research and examples from around the globe - Includes brand new chapters, case studies, photographs, data, analysis and models - Chapters on the design and development of Steam Turbines are written by experienced design engineers who provide first-hand experience and lessons learned.
