Rotor
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Rotor Dynamics
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Author : J. S. Rao
language : en
Publisher: New Age International
Release Date : 1996
Rotor Dynamics written by J. S. Rao and has been published by New Age International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Rotors categories.
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.
Vibration Analysis Of Rotors
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Author : Chong-Won Lee
language : en
Publisher: Springer Science & Business Media
Release Date : 1993-06-30
Vibration Analysis Of Rotors written by Chong-Won Lee 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 1993-06-30 with Technology & Engineering categories.
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.
Dynamics Of Rotors And Foundations
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Author : Erwin Krämer
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Dynamics Of Rotors And Foundations written by Erwin Krämer 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 2013-03-09 with Technology & Engineering categories.
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.
Rotordynamics
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Author : Agnieszka Muszynska
language : en
Publisher: CRC Press
Release Date : 2005-05-20
Rotordynamics written by Agnieszka Muszynska and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-05-20 with Science categories.
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
Rotor Systems
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Author : Rajiv Tiwari
language : en
Publisher: CRC Press
Release Date : 2017-11-22
Rotor Systems written by Rajiv Tiwari and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-22 with Science categories.
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.
Rotor Balancing
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Author : Hatto Schneider
language : en
Publisher: Springer Nature
Release Date : 2023-07-03
Rotor Balancing written by Hatto Schneider and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-03 with Technology & Engineering categories.
Für die Qualitätssicherung von Rotoren ist das Auswuchten ein unverzichtbarer Schritt. Dabei verändern sich mit jeder Weiterentwicklung der Rotoren die Anforderungen an die Auswuchttechnik. Wichtige Prinzipien des Auswuchtens werden in dem Buch erklärt. Es dient als Werkzeug, um die stets neu auftretenden Probleme beim Auswuchten sachgerecht und wirtschaftlich lösen zu können. In der 8. Auflage wird die neue Norm DIN ISO 19499 ausführlich erläutert. Die beabsichtigten Bearbeitungen aller Auswuchtnormen vonseiten des DIN werden erstmals beschrieben.
Optimizing Small Multi Rotor Unmanned Aircraft
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Author : Stephen D. Prior
language : en
Publisher: CRC Press
Release Date : 2018-09-18
Optimizing Small Multi Rotor Unmanned Aircraft written by Stephen D. Prior and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-18 with Technology & Engineering categories.
This design guide was written to capture the author’s practical experience of designing, building and testing multi-rotor drone systems over the past decade. The lack of one single source of useful information meant that the past 10 years has been a steep learning curve, a lot of self-tuition and many trial and error tests. Lessons learnt the hard way are not always the best way to learn. This book will be useful for the amateur drone pilot who wants to build their own system from first principles, as well as the academic researcher investigating novel design concepts and future drone applications.
Helicopter Type Rotor Decelerators
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Author : R. R. Tyndall
language : en
Publisher:
Release Date : 1963
Helicopter Type Rotor Decelerators written by R. R. Tyndall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Rotors (Helicopters) categories.
Helicoptr-type rotors appear attractive for the deceleration, trajectory control, gliding descent and final recovery of almost all types of aero space payloads. The potential of rotors is based upon (1) their inherent virtues of L/D gliding capability, controllability, and soft, flared landing; (2) past experience with uncontrolled rotor-decelerated air-dropped stores; and (3) helicopters having the capabilities of control, autorotation, and flare-out to land. Aero nautical Systems Division, as well as other Government agencies, believes that rotor decelerators have potential, particularly in light of the desired expansion of limited war capability, and is conducting applied research to explore the basic feasibility of using rotors for aerospace payload recovery. This effort involves both wind tunnel testing in the transonic-super sonic range, and free-flight testing at deployment speeds up to Mach 0.9 and analyses. To date, wind tunnel tests have demonstrated the deployment, operating, and drag characteristics of an eight-foot diameter rotor decelerator through a Mach number range from 0.5 to 1.5. Analyses have indicated that rotors, as well as providing subsonic performance capability, may have potential as hypersonic glide and drag devices. Thus, rotor decelerator potential embraces the spectrum ranging from relatively low-speed aerial delivery of payloads to suborbital and orbital space vehicle recovery. (Author).
The Fluid Dynamic Basis For Actuator Disc And Rotor Theories
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Author : G.A.M. van Kuik
language : en
Publisher: IOS Press
Release Date : 2022-06-09
The Fluid Dynamic Basis For Actuator Disc And Rotor Theories written by G.A.M. van Kuik and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-09 with Science categories.
The first rotor performance predictions were published by Joukowsky exactly 100 years ago. Although a century of research has expanded the knowledge of rotor aerodynamics enormously, and modern computer power and measurement techniques now enable detailed analyses that were previously out of reach, the concepts proposed by Froude, Betz, Joukowsky and Glauert for modelling a rotor in performance calculations are still in use today, albeit with modifications and expansions. This book is the result of the author's curiosity as to whether a return to these models with a combination of mathematics, dedicated computations and wind tunnel experiments could yield more physical insight and answer some of the old questions still waiting to be resolved. Although most of the work included here has been published previously, the book connects the various topics, linking them in a coherent storyline. “The Fluid Dynamic Basis for Actuator Disc and Rotor Theories” was first published in 2018. This Revised Second Edition (2022) will be of interest to those working in all branches of rotor aerodynamics – wind turbines, propellers, ship screws and helicopter rotors. It has been written for proficient students and researchers, and reading it will demand a good knowledge of inviscid (fluid) mechanics. Jens Nørkær Sørensen, DTU, Technical University of Denmark: “(...) a great piece of work, which in a consistent way highlights many of the items that the author has worked on through the years. All in all, an impressive contribution to the classical work on propellers/wind turbines.” Peter Schaffarczyk, Kiel University of Applied Sciences, Germany: “(...) a really impressive piece of work!” Carlos Simão Ferreira, Technical University Delft: “This is a timely book for a new generation of rotor aerodynamicists from wind turbines to drones and personal air-vehicles. In a time where fast numerical solutions for aerodynamic design are increasingly available, a clear theoretical and fundamental formulation of the rotor-wake problem will help professionals to evaluate the validity of their design problem. ‘The Fluid Dynamic Basis for Actuator Disc and Rotor Theories’ is a pleasure to read, while the structure, text and figures are just as elegant as the theory presented.” The cover shows ‘The Red Mill’, by Piet Mondriaan, 1911, collection Gemeentemuseum Den Haag. Cover image: © 2022 Mondrian/Holtzman Trust.
Rotor Stator Spinning Disc Reactor
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Author : Marco Meeuwse
language : en
Publisher:
Release Date : 2011
Rotor Stator Spinning Disc Reactor written by Marco Meeuwse and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.