IUTAM Symposium on Emerging Trends in Rotor Dynamics [electronic resource] : Proceedings of the IUTAM Symposium on Emerging Trends in Rotor Dynamics, held in New Delhi, India, March 23 - March 26, 2009 / edited by K. Gupta.

By: Gupta, K [editor.]Contributor(s): SpringerLink (Online service)Material type: TextTextLanguage: English Series: IUTAM Bookseries: 1011Publisher: Dordrecht : Springer Netherlands, 2011Description: XXVII, 555 p. online resourceContent type: text Media type: computer Carrier type: online resourceISBN: 9789400700208Subject(s): Engineering | Vibration | Mechanical engineering | Engineering | Vibration, Dynamical Systems, Control | Machinery and Machine Elements | Computational Intelligence | Mechanical Engineering | Statistical Physics, Dynamical Systems and ComplexityAdditional physical formats: Printed edition:: No titleDDC classification: 620 LOC classification: TA355TA352-356Online resources: Click here to access online
Contents:
Foreword -- Preface -- List of speakers -- Rotordynamics Research: Current Interests and Future Directions, by R. Gordon Kirk -- OPTIMIZED LIFE USING FREQUENCY AND TIME DOMAIN APPROACHES, BY J. S. Rao -- Dynamic Modelling of Rotors: A Modal Approach, by G. Genta -- Evolution of Frequency-speed Diagram in Rotating Machinery, by Chong-Won Lee -- Developments in Rotor Dynamical Modeling of Hydropower Units, by J-O. Aidanpää, R. K. Gustavsson, N. L. P. Lundström, M. Karlsson, Y. Calleecharan, M. L. Nässelqvist, M. Karlberg, U. Lundin -- Control-Oriented Approach to the Rotor Dynamics, by Zdzisław GOSIEWSKI -- New Approach to the Analysis of the Dynamic Behavior of a Fluid Structure Interaction, by E. Malenovský, F. Pochyly, L. Pohanka -- On the Analysis of Rotor-Bearing-Foundation Systems, by Katia Lucchesi Cavalca, Eduardo Paiva Okabe -- A Multiple Whirls Phenomenon and Heuristic Problems in Rotor-Bearing Systems, by J. Kiciński -- Experimental Decomposition of Vibration, Whirl and Waves in Rotating and Non-rotating Parts, by I. Bucher -- Rotating Internal Damping in the Case of Composite Shafts, by G. Jacquet-Richardet, E. Chatelet, T. Nouri-Baranger -- Unbalance Response Analysis of a Spinning Rotor Mounted on a Precessing Platform, by Ankuran Saha, Rajesh Ghosh, Arghya Nandi, Sumanta Neogy -- A Simple Viscoelastic model of Rotor-Shaft Systems, by J. K. Dutt -- Rotor Dynamic Analysis Using ANSYS, by M. Santhosh Kumar -- Vibration of Rotating Bladed Discs: Mistuning, Coriolis, and Robust Design, by D. J. Ewins, Y. J. Chan -- Modeling Geometric Mistuning of a Bladed Rotor: Modified Modal Domain Analysis, by Alok Sinha, Yasharth Bhartiya -- Trends in Controllable Oil Film Bearings, by Ilmar F. Santos -- Developments in Fluid Film Bearing Technology, by A. El-Shafei -- Numerical Model of the High Speed Rotors Supported on Variable Geometry Bearings, by Zbigniew Kozanecki, Jan Kiciński, Grzegorz Żywica -- Effect of Unbalance on the Dynamic Response of a Flexible Rotor Supported on Porous Oil Journal Bearings, by S.K. Laha, S.K. Kakoty -- Analysis of Capillary Compensated Hole-Entry Hydrostatic/Hybrid Journal Bearing Operating with Micropolar Lubricant, by Suresh Verma, K.D. Gupta, Vijay Kumar -- Rotordynamic Analysis of Carbon Graphite Seals of a Steam Rotary Joint, by H. Hirani, S. S. Goilkar -- Applications and Research Topics for Active Magnetic Bearings, by Gerhard Schweitzer -- Accurate Analytical Determination of Electromagnetic Bearing Coefficients, by C. Nataraj -- Sensitivity Analysis of the Design Parameters in Electrodynamic Bearings, by G. Genta, X. De Lépine, F. Impinna, J. Girardello, N. Amati, A. Tonoli -- Advanced Analysis and Optimization of Nonlinear Resonance Vibrations in Gas-Turbine Structures with Friction and Gaps, by E.P. Petrov -- Non-Parametric Identification of Rotor-Bearing System through Volterra-Wiener Theories, by Nalinaksh S. Vyas, Animesh Chatterjee -- Nonlinear Dynamics and Chaos of an Unbalanced Flexible Rotor Supported by Deep Groove Ball Bearings with Radial Internal Clearance, by T.C. Gupta, K. Gupta, D.K. Sehgal -- Bifurcation Analysis of a Turbocharger Rotor Supported by Floating Ring Bearings, by Aydin Boyaci, Wolfgang Seemann, Carsten Proppe -- Vibration Analysis of High Speed Rolling Element Bearings due to Race Defects, by S.H. Upadhyay, S.C. Jain, S.P. Harsha -- Beneficial Effects of Parametric Excitation in Rotor Systems, by Horst Ecker -- Simulation and Experiment of a Rotor with Unilateral Contacts and Active Elements, by Lucas Ginzinger, Heinz Ulbrich -- New Passive Control Methods for Reducing Vibrations of Rotors: Discontinuous Spring Characteristics and Ball Balancers, by Yukio Ishida -- Modeling and Diagnostics of Heavy Impeller Gyroscopic Rotor with Tilting Pad Journal Bearings, by V. Barzdaitis, M.Bogdevičius, R.Didžiokas, M.Vasylius -- A Mechanical Engine Simulator for Development of Aero Engine Failure Analysis Methods, by Robert Liebich -- Signal Processing Tools for Tracking the Size of a Spall in a Rolling Element Bearing, by R.B. Randall, N. Sawalhi -- Cracked Rotating Shafts: Typical Behaviors, Modeling and Diagnosis, by N. Bachschmid, P. Pennacchi, E. Tanzi -- Fault Identification in Industrial Rotating Machinery: Theory and Applications, by P. Pennacchi, A.Vania, N. Bachschmid -- Cracked Continuous Rotors Vibrating on Nonlinear Bearings, by C. A. Papadopoulos, A. C. Chasalevris, P. G. Nikolakopoulos -- Identification of the Bearing and Unbalance Parameters from Rundown Data of Rotors, by R. Tiwari, V. Chakravarthy -- Some Recent Studies on Cracked Rotors, by A. S. Sekhar -- A Multi-Crack Identification Algorithm Based on Forced Vibrations from a Shaft System, by S. K. Singh, R.Tiwari, S. Talukdar -- Vibration based Condition Monitoring of Rotating Machines: A Future Possibility?, by Jyoti K. Sinha -- Feature Selection for Bearing Fault Detection Based on Mutual Information, by Karthik Kappaganthu, C. Nataraj, Biswanath Samanta -- Application of Full Spectrum Analysis for Rotor Fault Diagnosis, by Tejas H. Patel, Ashish K. Darpe.
In: Springer eBooksSummary: 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, seals including 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.
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Foreword -- Preface -- List of speakers -- Rotordynamics Research: Current Interests and Future Directions, by R. Gordon Kirk -- OPTIMIZED LIFE USING FREQUENCY AND TIME DOMAIN APPROACHES, BY J. S. Rao -- Dynamic Modelling of Rotors: A Modal Approach, by G. Genta -- Evolution of Frequency-speed Diagram in Rotating Machinery, by Chong-Won Lee -- Developments in Rotor Dynamical Modeling of Hydropower Units, by J-O. Aidanpää, R. K. Gustavsson, N. L. P. Lundström, M. Karlsson, Y. Calleecharan, M. L. Nässelqvist, M. Karlberg, U. Lundin -- Control-Oriented Approach to the Rotor Dynamics, by Zdzisław GOSIEWSKI -- New Approach to the Analysis of the Dynamic Behavior of a Fluid Structure Interaction, by E. Malenovský, F. Pochyly, L. Pohanka -- On the Analysis of Rotor-Bearing-Foundation Systems, by Katia Lucchesi Cavalca, Eduardo Paiva Okabe -- A Multiple Whirls Phenomenon and Heuristic Problems in Rotor-Bearing Systems, by J. Kiciński -- Experimental Decomposition of Vibration, Whirl and Waves in Rotating and Non-rotating Parts, by I. Bucher -- Rotating Internal Damping in the Case of Composite Shafts, by G. Jacquet-Richardet, E. Chatelet, T. Nouri-Baranger -- Unbalance Response Analysis of a Spinning Rotor Mounted on a Precessing Platform, by Ankuran Saha, Rajesh Ghosh, Arghya Nandi, Sumanta Neogy -- A Simple Viscoelastic model of Rotor-Shaft Systems, by J. K. Dutt -- Rotor Dynamic Analysis Using ANSYS, by M. Santhosh Kumar -- Vibration of Rotating Bladed Discs: Mistuning, Coriolis, and Robust Design, by D. J. Ewins, Y. J. Chan -- Modeling Geometric Mistuning of a Bladed Rotor: Modified Modal Domain Analysis, by Alok Sinha, Yasharth Bhartiya -- Trends in Controllable Oil Film Bearings, by Ilmar F. Santos -- Developments in Fluid Film Bearing Technology, by A. El-Shafei -- Numerical Model of the High Speed Rotors Supported on Variable Geometry Bearings, by Zbigniew Kozanecki, Jan Kiciński, Grzegorz Żywica -- Effect of Unbalance on the Dynamic Response of a Flexible Rotor Supported on Porous Oil Journal Bearings, by S.K. Laha, S.K. Kakoty -- Analysis of Capillary Compensated Hole-Entry Hydrostatic/Hybrid Journal Bearing Operating with Micropolar Lubricant, by Suresh Verma, K.D. Gupta, Vijay Kumar -- Rotordynamic Analysis of Carbon Graphite Seals of a Steam Rotary Joint, by H. Hirani, S. S. Goilkar -- Applications and Research Topics for Active Magnetic Bearings, by Gerhard Schweitzer -- Accurate Analytical Determination of Electromagnetic Bearing Coefficients, by C. Nataraj -- Sensitivity Analysis of the Design Parameters in Electrodynamic Bearings, by G. Genta, X. De Lépine, F. Impinna, J. Girardello, N. Amati, A. Tonoli -- Advanced Analysis and Optimization of Nonlinear Resonance Vibrations in Gas-Turbine Structures with Friction and Gaps, by E.P. Petrov -- Non-Parametric Identification of Rotor-Bearing System through Volterra-Wiener Theories, by Nalinaksh S. Vyas, Animesh Chatterjee -- Nonlinear Dynamics and Chaos of an Unbalanced Flexible Rotor Supported by Deep Groove Ball Bearings with Radial Internal Clearance, by T.C. Gupta, K. Gupta, D.K. Sehgal -- Bifurcation Analysis of a Turbocharger Rotor Supported by Floating Ring Bearings, by Aydin Boyaci, Wolfgang Seemann, Carsten Proppe -- Vibration Analysis of High Speed Rolling Element Bearings due to Race Defects, by S.H. Upadhyay, S.C. Jain, S.P. Harsha -- Beneficial Effects of Parametric Excitation in Rotor Systems, by Horst Ecker -- Simulation and Experiment of a Rotor with Unilateral Contacts and Active Elements, by Lucas Ginzinger, Heinz Ulbrich -- New Passive Control Methods for Reducing Vibrations of Rotors: Discontinuous Spring Characteristics and Ball Balancers, by Yukio Ishida -- Modeling and Diagnostics of Heavy Impeller Gyroscopic Rotor with Tilting Pad Journal Bearings, by V. Barzdaitis, M.Bogdevičius, R.Didžiokas, M.Vasylius -- A Mechanical Engine Simulator for Development of Aero Engine Failure Analysis Methods, by Robert Liebich -- Signal Processing Tools for Tracking the Size of a Spall in a Rolling Element Bearing, by R.B. Randall, N. Sawalhi -- Cracked Rotating Shafts: Typical Behaviors, Modeling and Diagnosis, by N. Bachschmid, P. Pennacchi, E. Tanzi -- Fault Identification in Industrial Rotating Machinery: Theory and Applications, by P. Pennacchi, A.Vania, N. Bachschmid -- Cracked Continuous Rotors Vibrating on Nonlinear Bearings, by C. A. Papadopoulos, A. C. Chasalevris, P. G. Nikolakopoulos -- Identification of the Bearing and Unbalance Parameters from Rundown Data of Rotors, by R. Tiwari, V. Chakravarthy -- Some Recent Studies on Cracked Rotors, by A. S. Sekhar -- A Multi-Crack Identification Algorithm Based on Forced Vibrations from a Shaft System, by S. K. Singh, R.Tiwari, S. Talukdar -- Vibration based Condition Monitoring of Rotating Machines: A Future Possibility?, by Jyoti K. Sinha -- Feature Selection for Bearing Fault Detection Based on Mutual Information, by Karthik Kappaganthu, C. Nataraj, Biswanath Samanta -- Application of Full Spectrum Analysis for Rotor Fault Diagnosis, by Tejas H. Patel, Ashish K. Darpe.

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, seals including 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.

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