Rotor Dynamics

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Publisher : New Age International
ISBN 13 : 9788122409772
Total Pages : 460 pages
Book Rating : 4.4/5 (97 download)

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Book Synopsis Rotor Dynamics by : J. S. Rao

Download or read book Rotor Dynamics written by J. S. Rao and published by New Age International. This book was released on 1996 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Third Revised And Enlarged Edition Of The Book Presents An In-Depth Study Of The Dynamic Behaviour Of Rotating And Reciprocating Machinery. It Evolved Out Of Lectures Delivered At Different Universities Over The Last Two Decades. The Book Deals With Torsional And Bending Vibrations Of Rotors, Stability Aspects, Balancing And Condition Monitoring. Closed Form Solutions Are Given Wherever Possible And Parametric Studies Presented To Give A Clear Understanding Of The Subject. Transfer Matrix Methods Is Extensively Used For General Class Of Rotors For Both Bending And Torsional Vibrations.Special Attentions Are Given To Transient Analysis Of The Rotors Which Is Becoming An Essential Part Of The Design Of High Speed Machinery. Systems With Fluid Film Bearings, Cracked Rotors And Two Spool Rotors Are Also Presented.A First Course On Theory Of Vibration Is A Prerequisite To This Study. Analysis Used Is Fairly Simple, But Sufficiently Advanced To The Requisite Level Of Predicting Practical Observations. As Far As Possible, Practical Examples Are Illustrated, So That The Book Is Also Useful To Practising Engineers.A Special Feature Of This Book Is Diagnostics Of Rotating Machinery Using Vibration Signature Analysis And Application Of Expert Systems To A Field Engineer In Trouble Shooting Work.

Rotors: Stress Analysis and Design

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 8847025621
Total Pages : 358 pages
Book Rating : 4.8/5 (47 download)

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Book Synopsis Rotors: Stress Analysis and Design by : Vincenzo Vullo

Download or read book Rotors: Stress Analysis and Design written by Vincenzo Vullo and published by Springer Science & Business Media. This book was released on 2013-04-09 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stress and strain analysis of rotors subjected to surface and body loads, as well as to thermal loads deriving from temperature variation along the radius, constitutes a classic subject of machine design. Nevertheless attention is limited to rotor profiles for which governing equations are solvable in closed form. Furthermore very few actual engineering issues may relate to structures for which stress and strain analysis in the linear elastic field and, even more, under non-linear conditions (i.e. plastic or viscoelastic conditions) produces equations to be solved in closed form. Moreover, when a product is still in its design stage, an analytical formulation with closed-form solution is of course simpler and more versatile than numerical methods, and it allows to quickly define a general configuration, which may then be fine-tuned using such numerical methods. In this view, all subjects are based on analytical-methodological approach, and some new solutions in closed form are presented. The analytical formulation of problems is always carried out considering actual engineering applications. Moreover, in order to make the use of analytical models even more friendly at the product design stage, a function is introduced whereby it is possible to define a fourfold infinity of disk profiles, solid or annular, concave or convex, converging or diverging. Such subjects, even derived from scientific authors’ contributions, are always aimed at designing rotors at the concept stage, i.e. in what precedes detailed design. Among the many contributions, a special mention is due for the following: linear elastic analysis of conical disks and disks with variable profile along its radius according to a power of a linear function, also subjected to thermal load and with variable density; analysis of a variable-profile disk subjected to centrifugal load beyond the material's yield point, introducing the completely general law expressed by a an n-grade polynomial; linear elastic analysis of hyperbolic disk, subjected to thermal load along its radius; linear elastic analysis of a variable-thickness disk according to a power of a linear function, subjected to angular acceleration; etc.

Dynamics of Rotors and Foundations

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Publisher : Springer Science & Business Media
ISBN 13 : 3662027984
Total Pages : 378 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Dynamics of Rotors and Foundations by : Erwin Krämer

Download or read book Dynamics of Rotors and Foundations written by Erwin Krämer and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Certain Brake Drums and Rotors from China

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Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Certain Brake Drums and Rotors from China by : United States International Trade Commission

Download or read book Certain Brake Drums and Rotors from China written by United States International Trade Commission and published by . This book was released on 1996 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cracked Rotors

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Publisher : Springer Science & Business Media
ISBN 13 : 3642014852
Total Pages : 408 pages
Book Rating : 4.6/5 (42 download)

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Book Synopsis Cracked Rotors by : Nicoló Bachschmid

Download or read book Cracked Rotors written by Nicoló Bachschmid and published by Springer Science & Business Media. This book was released on 2010-07-12 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cracks can develop in rotating shafts and can propagate to relevant depths without affecting consistently the normal operating conditions of the shaft. In order to avoid catastrophic failures, accurate vibration analyses have to be performed for crack detection. The identification of the crack location and depth is possible by means of a model based diagnostic approach, provided that the model of the crack and the model of the cracked shaft dynamical behavior are accurate and reliable. This monograph shows the typical dynamical behavior of cracked shafts and presents tests for detecting cracks. The book describes how to model cracks, how to simulate the dynamical behavior of cracked shaft, and compares the corresponding numerical with experimental results. All effects of cracks on the vibrations of rotating shafts are analyzed, and some results of a numerical sensitivity analysis of the vibrations to the presence and severity of the crack are shown. Finally the book describes some crack identification procedures and shows some results in model based crack identification in position and depth. The book is useful for higher university courses in mechanical and energetic engineering, but also for skilled technical people employed in power generation industries.

Vibration Analysis of Rotors

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Publisher : Springer Science & Business Media
ISBN 13 : 9401581738
Total Pages : 324 pages
Book Rating : 4.4/5 (15 download)

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Book Synopsis Vibration Analysis of Rotors by : Chong-Won Lee

Download or read book Vibration Analysis of Rotors written by Chong-Won Lee and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is intended for use as an advanced course in either rotordynamics or vibration at the graduate level. This text has mostly grown out of the research work in my laboratory and the lectures given to graduate students in the Mechanical Engineering Department, KAIST. The text contains a variety of topics not normally found in rotordynamics or vibration textbooks. The text emphasizes the analytical aspects and is thus quite different from conventional rotordynamics texts; potential readers are expected to have a firm background in elementary rotordynamics and vibration. In most previously published rotordynamics texts, the behavior of simple rotors has been of a primary concern, while more realistic, multi-degree-f-freedom or continuous systems are seldom treated in a rigorous way, mostly due to the difficulty of a mathematical treatment of such complicated systems. When one wanted to gain a deep insight into dynamic phenomena of complicated rotor systems, one has, in the past, either had to rely on computational techniques, such as the transfer matrix and finite element methods, or cautiously to extend ideas learned from simple rotors whose analytical solutions are readily available. The former methods are limited in the interpretation of results, since the calculations relate only to the simulated case, not to more general system behavior. Ideas learned from simple rotors can, fortunately, often be extended to many practical rotor systems, but there is of course no guarantee of their validity.

Certain Brake Drums and Rotors from China, Inv. TA-421-3

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Author :
Publisher : DIANE Publishing
ISBN 13 : 1457821117
Total Pages : 35 pages
Book Rating : 4.4/5 (578 download)

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Book Synopsis Certain Brake Drums and Rotors from China, Inv. TA-421-3 by :

Download or read book Certain Brake Drums and Rotors from China, Inv. TA-421-3 written by and published by DIANE Publishing. This book was released on with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Rotor Systems

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Author :
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.

Official Gazette of the United States Patent Office

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Publisher :
ISBN 13 :
Total Pages : 1422 pages
Book Rating : 4.0/5 (57 download)

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Book Synopsis Official Gazette of the United States Patent Office by : USA Patent Office

Download or read book Official Gazette of the United States Patent Office written by USA Patent Office and published by . This book was released on 1914 with total page 1422 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the 10th International Conference on Rotor Dynamics – IFToMM

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Author :
Publisher : Springer
ISBN 13 : 3319992724
Total Pages : 556 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Proceedings of the 10th International Conference on Rotor Dynamics – IFToMM by : Katia Lucchesi Cavalca

Download or read book Proceedings of the 10th International Conference on Rotor Dynamics – IFToMM written by Katia Lucchesi Cavalca and published by Springer. This book was released on 2018-08-20 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 fourth volume covers the following main topics: aero-engines; turbochargers; eolian (wind) generators; automotive rotating systems; and hydro power plants.

Flywheel Rotor Safe-Life Technology: Literature Search Summary

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Author :
Publisher : DIANE Publishing
ISBN 13 : 1428917586
Total Pages : 300 pages
Book Rating : 4.4/5 (289 download)

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Book Synopsis Flywheel Rotor Safe-Life Technology: Literature Search Summary by :

Download or read book Flywheel Rotor Safe-Life Technology: Literature Search Summary written by and published by DIANE Publishing. This book was released on with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Static-thrust Tests of Six Rotor-blade Designs on a Helicopter in the Langley Full-scale Tunnel

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Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Static-thrust Tests of Six Rotor-blade Designs on a Helicopter in the Langley Full-scale Tunnel by : Richard C. Dingeldein

Download or read book Static-thrust Tests of Six Rotor-blade Designs on a Helicopter in the Langley Full-scale Tunnel written by Richard C. Dingeldein and published by . This book was released on 1945 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of the static-thrust performance of six sets of rotor blades mounted on a helicopter fuselage have been made in the Langley full-scale tunnel. The rotor blades differ in surface condition, pitch distribution, airfoil section, plan form, and solidity. These differences are largely unsystematic. The variation of rotor thrust coefficient with torque coefficient and the power required to hover are compared for each set of blades. Because of the indeterminate condition of ground restraint caused by the wind-tunnel balance house and test-chamber walls, the absolute magnitude of the data is questionable but the comparative results are believed to be reliable.

An Experimental Investigation of the Aeromechanical Stability of a Hingeless Rotor in Hover and Forward Flight

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Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis An Experimental Investigation of the Aeromechanical Stability of a Hingeless Rotor in Hover and Forward Flight by :

Download or read book An Experimental Investigation of the Aeromechanical Stability of a Hingeless Rotor in Hover and Forward Flight written by and published by . This book was released on 1987 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Passage-Averaged Description of Wave Rotor Flow

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Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Passage-Averaged Description of Wave Rotor Flow by : Gerard E. Welch

Download or read book Passage-Averaged Description of Wave Rotor Flow written by Gerard E. Welch and published by . This book was released on 1997 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The unsteady flow within wave rotor passages is influenced by the rotor blade, hub, and tip shroud surface profiles. By averaging from hub to shroud and from blade to blade, a reduced set of the governing equations is obtained that is appropriate for design studies and parametric analyses. The application of these equations requires closure models for force integrals and for correlation terms that arise when the density averages of products of the flow field variables are expanded in terms of products of the density-averaged variables. The force integrals and the correlation terms depend on the instantaneous pitchwise and spanwise flow field distributions established by unsteadiness relative to the rotor, flow turning induced by blade, hub, and tip-shroud profiling, and rotation. Two approaches to model the force integrals are described. The influence of relative unsteadiness and flow turning on the correlation terms is discussed by considering the propagation of gas dynamic waves in rotor passages defined by uncambered, staggered blades and by unstaggered, cambered blades.

Mechanics of Rotor Spinning Machines

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Publisher : CRC Press
ISBN 13 : 1315353954
Total Pages : 230 pages
Book Rating : 4.3/5 (153 download)

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Book Synopsis Mechanics of Rotor Spinning Machines by : Prof. Dr. Eng. Ibrahim Abdou Elhawary

Download or read book Mechanics of Rotor Spinning Machines written by Prof. Dr. Eng. Ibrahim Abdou Elhawary and published by CRC Press. This book was released on 2017-12-15 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the mechanics of rotor spinning machines. It discusses the open-end spinning machine rotor’s vibrations and bearings as well as the kinematics of the rotor's drive as individual drive or central drive, both as a reducing drive and multiplying drive. It examines explanations for the rotor's power requirements through different techniques such as Shirley institute (UK) and Zurich Federal Institute. It also covers power distribution inside the machine, different mechanisms of the machine, and air flow inside the spinning machine.

Prolegomena to Analytical Geometry in Anisotropic Euclidean Space of Three Dimensions

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Publisher :
ISBN 13 :
Total Pages : 393 pages
Book Rating : 4.L/5 ( download)

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Book Synopsis Prolegomena to Analytical Geometry in Anisotropic Euclidean Space of Three Dimensions by : Eric Harold Neville

Download or read book Prolegomena to Analytical Geometry in Anisotropic Euclidean Space of Three Dimensions written by Eric Harold Neville and published by . This book was released on 1922 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Brake Rotors from China, Inv. 731-TA-744 (Second Review)

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Author :
Publisher : DIANE Publishing
ISBN 13 : 1457817500
Total Pages : 158 pages
Book Rating : 4.4/5 (578 download)

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Book Synopsis Brake Rotors from China, Inv. 731-TA-744 (Second Review) by :

Download or read book Brake Rotors from China, Inv. 731-TA-744 (Second Review) written by and published by DIANE Publishing. This book was released on with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: