Rotor Systems

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Rotor Systems

Author : Rajiv Tiwari
Publisher : CRC Press
ISBN 13 : 1351863649
Total Pages : 1092 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 1092 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.

Rotor Systems

Author : Rajiv Tiwari
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.

Vibration Transmission Through Rolling Element Bearings in Geared Rotor Systems

Author : Rajendra Singh
Publisher : DIANE Publishing
ISBN 13 : 1428915540
Total Pages : 236 pages
Book Rating : 4.4/5 (289 download)

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Book Synopsis Vibration Transmission Through Rolling Element Bearings in Geared Rotor Systems by : Rajendra Singh

Download or read book Vibration Transmission Through Rolling Element Bearings in Geared Rotor Systems written by Rajendra Singh and published by DIANE Publishing. This book was released on 1990 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new mathematical model is proposed to examine the vibration transmission through rolling element bearings in geared rotor systems. Current bearing models, based on either ideal boundary conditions for the shaft or purely translational stiffness element description, cannot explain how the vibratory motion may be transmitted from the rotating shaft to the casing. For example, a vibration model based upon the simple bearing formulations can only predict purely in-plane type motion on the flexible casing plate given only bending motion on the shaft. However, experimental results have shown that the casing plate motion is primarily flexural. This study clarifies this issue qualitatively and quantitatively by developing a comprehensive bearing stiffness matrix is partially verified using available analytical and experimental data, and is completely characterized. This study extends the proposed bearing formulation to analyze the overall geared rotor system dynamics including casting and mounts. The bearing stiffness matrix is included in discrete system models using lumped parameter and/or dynamic finite element techniques. Eigensolution and forced harmonic response due to rotating mass unbalance or kinematic transmissions error excitation for the following examples are computed: (I) single-stage rotor system with flexible shaft supported by two bearings on rigid casing and flexible mounts, (II) spur gear pair system with motor and load inertials attached to two flexible shafts and supported by four bearings on flexibly mounted rigid casing, and (III) case II with flexible casing and rigid mounts. In several of these examples, analytical predictions compare well with measured data, validating the purposed formulation.

Helicopter Mechanic (fully Articulated Rotor) (AFSC 43150C): Helicopter powerplants and related systems

Author : Edward K. Brillhart
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Helicopter Mechanic (fully Articulated Rotor) (AFSC 43150C): Helicopter powerplants and related systems by : Edward K. Brillhart

Download or read book Helicopter Mechanic (fully Articulated Rotor) (AFSC 43150C): Helicopter powerplants and related systems written by Edward K. Brillhart and published by . This book was released on 1985 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Simple Rotor Analysis through Tutorial Problems

Author : Rajiv Tiwari
Publisher : CRC Press
ISBN 13 : 1003816886
Total Pages : 352 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Simple Rotor Analysis through Tutorial Problems by : Rajiv Tiwari

Download or read book Simple Rotor Analysis through Tutorial Problems written by Rajiv Tiwari and published by CRC Press. This book was released on 2023-12-11 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses various rotor systems, rotor dynamics and dynamics of rotating machinery problems through tutorials. Most of the covered problems can be derived and solved using hand calculations for deeper understanding of the subject. It correlates the examples provided in this book with real machinery where it can be used, and readers can analyse their own simple rotor system based on the variety of examples presented. All problems are supplemented by independent MATLAB® codes for exploring the subject with more ease with graphical outputs. Features: • Rotordynamics terminology and phenomena are introduced with very simple rotor-bearing models. • In-depth analytical dynamic analysis of rotors mounted in flexible bearings and the effect of gyroscopic effects in simple rotor systems are covered. • Offers the possibility for the reader to reproduce the results and see how the equations are derived and solved in rotor dynamics. • A few examples of simple rotor-bearing-coupling systems, rotor-bearing-foundation systems and two-spool rotors are covered. • Directions are provided to extend the present exercise problems and their solutions. • Examples are supplemented by MATLAB® codes with detailed solution steps. • Includes multiple-choice questions and their solutions. This book is aimed at senior undergraduate/graduate students in mechanical engineering, as well as scientists and practice engineers from the field of rotordynamics, rotating machinery/turbomachinery and aerospace engineering.

Omnidirectional Tilt-Rotor Flying Robots for Aerial Physical Interaction

Author : Karen Bodie
Publisher : Springer Nature
ISBN 13 : 3031454979
Total Pages : 230 pages
Book Rating : 4.0/5 (314 download)

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Book Synopsis Omnidirectional Tilt-Rotor Flying Robots for Aerial Physical Interaction by : Karen Bodie

Download or read book Omnidirectional Tilt-Rotor Flying Robots for Aerial Physical Interaction written by Karen Bodie and published by Springer Nature. This book was released on 2024-01-21 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the study of tilt-rotor omnidirectional aerial robots and their application to aerial physical interaction tasks. Omnidirectional aerial robots possess decoupled translational and rotational dynamics, which are important for stable and sustained aerial interaction. The additional ability to dynamically re-orient thrust vectors opens the door to a wide array of possible morphologies and system capabilities. Through modeling, control, prototype design, and experimental evaluation, this book presents a comprehensive methodology and examples for the development of a novel tilt-rotor aerial manipulator. This work serves as a guide for envisioning and constructing innovative systems that will advance the frontier of aerial manipulation.

Rotor and Structural Dynamics of Turbomachinery

Author : Raj Subbiah
Publisher : Springer
ISBN 13 : 331973296X
Total Pages : 306 pages
Book Rating : 4.3/5 (197 download)

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Book Synopsis Rotor and Structural Dynamics of Turbomachinery by : Raj Subbiah

Download or read book Rotor and Structural Dynamics of Turbomachinery written by Raj Subbiah and published by Springer. This book was released on 2018-01-16 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides engineers and scientists with practical fundamentals for turbomachinery design. It presents a detailed analysis of existing procedures for the analysis of rotor and structure dynamics, while keeping mathematical equations to a minimum. Specific terminologies are used for rotors and structures, respectively, allowing the readers to clearly distinguish between the two. Further, the book describes the essential concepts needed to understand rotor failure modes due to lateral and torsional oscillations. It guides the reader from simple single-degree-of-freedom models to the most complex multi-degree-of-freedom systems, and provides useful information concerning steel pedestal stiffness degradation and other structural issues. Fluid-film bearing types and their dynamical behavior are extensively covered and discussed in the context of various turbomachinery applications. The book also discusses shaft alignment and rotor balancing from a practical point of view, providing readers with essential information to help them solve practical problems. As the main body of the book focuses on the diagnostics and description of case studies addressing the most pressing practical issues, together with their successful solutions, it offers a valuable reference guide, helping field engineers manage day-to-day issues with turbomachinery.

Dynamics of Distributed Parameter Rotor Systems

Author : Roland Luther Ruhl
Publisher :
ISBN 13 :
Total Pages : 682 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Dynamics of Distributed Parameter Rotor Systems by : Roland Luther Ruhl

Download or read book Dynamics of Distributed Parameter Rotor Systems written by Roland Luther Ruhl and published by . This book was released on 1970 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Blade Element Rotor Theory

Author : Pylyp Volodin
Publisher : CRC Press
ISBN 13 : 1000629422
Total Pages : 186 pages
Book Rating : 4.0/5 (6 download)

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Book Synopsis Blade Element Rotor Theory by : Pylyp Volodin

Download or read book Blade Element Rotor Theory written by Pylyp Volodin and published by CRC Press. This book was released on 2022-08-01 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Blade Element Rotor Theory This book presents an extension of the conventional blade element rotor theory to describe the dynamic properties of helicopter rotors. The presented theory focuses on the accurate mathematical determination of the forces and moments by which a rotor affects its rotorcraft at specified flight conditions and control positions. Analyzing the impact of a blade's non-uniform properties, the book covers blade twisting, the non-rectangular planform shape of a blade, and inhomogeneous airfoil along the blade. It discusses inhomogeneous induced airflow around a rotor disc in terms of the blade element rotor theory. This book also considers the impact of flapping hinge offset on the rotor's dynamic properties. Features • Focuses on a comprehensive description and accurate determination of the rotor's aerodynamic properties • Presents precise helicopter rotor properties with inhomogeneous aerodynamic properties of rotor blades • Considers inhomogeneous distribution of induced flow • Discusses a mathematical model of a main helicopter rotor for a helicopter flight simulator This book is intended for graduate students and researchers studying rotor dynamics and helicopter flight dynamics

Dynamics of Rotating Systems

Author : Giancarlo Genta
Publisher : Springer Science & Business Media
ISBN 13 : 038728687X
Total Pages : 674 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Dynamics of Rotating Systems by : Giancarlo Genta

Download or read book Dynamics of Rotating Systems written by Giancarlo Genta and published by Springer Science & Business Media. This book was released on 2007-01-04 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an up-to-date review of rotor dynamics, dealing with basic topics as well as a number of specialized topics usually available only in journal articles Unlike other books on rotordynamics, this treats the entire machine as a system, with the rotor as just one component

Multi-rotor Platform Based UAV Systems

Author : Franck Cazaurang
Publisher : ISTE Press - Elsevier
ISBN 13 : 1785482513
Total Pages : 266 pages
Book Rating : 4.7/5 (854 download)

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Book Synopsis Multi-rotor Platform Based UAV Systems by : Franck Cazaurang

Download or read book Multi-rotor Platform Based UAV Systems written by Franck Cazaurang and published by ISTE Press - Elsevier. This book was released on 2020-03-17 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multi-rotor Platform Based UAV Systems provides an excellent opportunity for experiential learning, capability augmentation and confidence-building for senior level undergraduates, entry-level graduates, engineers working in government agencies, and industry involved in UAV R&D. Topics in this book include an introduction to VTOL multi-copter UAV platforms, UAV system architecture, integration in the national airspace, including UAV classification and associated missions, regulation and safety, certification and air traffic management, integrated mission planning, including autonomous fault tolerant path planning and vision based auto landing systems, flight mechanics and stability, dynamic modeling and flight controller development. Other topics covered include sense, detect and avoid systems, flight testing, including safety assessment instrumentation and data acquisition telemetry, synchronization data fusion, the geo-location of identified targets, and much more. Provides an excellent opportunity for experiential learning, capability augmentation and confidence building for senior level undergraduates, entry-level graduates and engineers working in government, and industry involved in UAV R&D Includes MATLAB/SIMULINK computational tools and off-the-shelf hardware implementation tutorials Offers a student centered approach Provides a quick and efficient means to conceptualize, design, synthesize and analyze using modeling and simulations Offers international perspective and appeal for engineering students and professionals

Research Reporting Series

Author :
Publisher :
ISBN 13 :
Total Pages : 826 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Research Reporting Series by :

Download or read book Research Reporting Series written by and published by . This book was released on 1975 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aeronautics and Space Report of the President

Author : United States. President
Publisher :
ISBN 13 :
Total Pages : 678 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Aeronautics and Space Report of the President by : United States. President

Download or read book Aeronautics and Space Report of the President written by United States. President and published by . This book was released on with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Unmanned Rotorcraft Systems

Author : Guowei Cai
Publisher : Springer Science & Business Media
ISBN 13 : 0857296353
Total Pages : 282 pages
Book Rating : 4.8/5 (572 download)

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Book Synopsis Unmanned Rotorcraft Systems by : Guowei Cai

Download or read book Unmanned Rotorcraft Systems written by Guowei Cai and published by Springer Science & Business Media. This book was released on 2011-06-01 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unmanned Rotorcraft Systems explores the research and development of fully-functional miniature UAV (unmanned aerial vehicle) rotorcraft, and provides a complete treatment of the design of autonomous miniature rotorcraft UAVs. The unmanned system is an integration of advanced technologies developed in communications, computing, and control areas, and is an excellent testing ground for trialing and implementing modern control techniques. Included are detailed expositions of systematic hardware construction, software systems integration, aerodynamic modeling; and automatic flight control system design. Emphasis is placed on the cooperative control and flight formation of multiple UAVs, vision-based ground target tracking, and landing on moving platforms. Other issues such as the development of GPS-less indoor micro aerial vehicles and vision-based navigation are also discussed in depth: utilizing the vision-based system for accomplishing ground target tracking, attacking and landing, cooperative control and flight formation of multiple unmanned rotorcraft; and future research directions on the related areas.

NASA Technical Memorandum

Author :
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis NASA Technical Memorandum by :

Download or read book NASA Technical Memorandum written by and published by . This book was released on 1979 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aircraft and Rotorcraft System Identification

Author : Mark Brian Tischler
Publisher : AIAA Education
ISBN 13 : 9781600868207
Total Pages : 0 pages
Book Rating : 4.8/5 (682 download)

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Book Synopsis Aircraft and Rotorcraft System Identification by : Mark Brian Tischler

Download or read book Aircraft and Rotorcraft System Identification written by Mark Brian Tischler and published by AIAA Education. This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although many books have been written on the theory of system identification, few are available that provide a complete engineering treatment of system identification and how to successfully apply it to flight vehicles. This book presents proven methods, practical guidelines, and real-world flight-test results for a wide range of state-of-the-art flight vehicles, from small uncrewed aerial vehicles (UAVs) to large manned aircraft/rotorcraft.

Vibration Analysis of Rotors

Author : Chong-Won Lee
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.