Read Books Online and Download eBooks, EPub, PDF, Mobi, Kindle, Text Full Free.
Smart Materials Used For Aircraft Propeller Vibration Damping
Download Smart Materials Used For Aircraft Propeller Vibration Damping full books in PDF, epub, and Kindle. Read online Smart Materials Used For Aircraft Propeller Vibration Damping ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Smart Materials Used for Aircraft Propeller Vibration Damping by : Alaa M Morad
Download or read book Smart Materials Used for Aircraft Propeller Vibration Damping written by Alaa M Morad and published by LAP Lambert Academic Publishing. This book was released on 2015-12-09 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vibrations of turbo-machinery blades are critical to jet engine durability and performance. Active vibration control using piezoelectric sensors and actuators have recently been emerged as a practical and promising technology. This book deals with a new vibration damping technique for an unmanned aerial vehicle (UAV) propeller utilizing piezoelectric transducers (sensors and actuators). The damping performance depends on the type and location of the piezoelectric transducers with respect to the mode shape of the blade mechanical strain. Numerical simulations and experimental investigations are carried out for the propeller blades to damp vibrations. The results show that vibrations induced in the propeller are damped by applying piezoelectric transducers.
Book Synopsis A Novel Adaptive Structural Impedance Control Approach to Suppress Aircraft Vibration and Noise by :
Download or read book A Novel Adaptive Structural Impedance Control Approach to Suppress Aircraft Vibration and Noise written by and published by . This book was released on 2004 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Intelligent Materials, Second International Conference Proceedings by : Craig A. Rogers
Download or read book Intelligent Materials, Second International Conference Proceedings written by Craig A. Rogers and published by CRC Press. This book was released on 1994-01-01 with total page 1416 pages. Available in PDF, EPUB and Kindle. Book excerpt: The key science and technology challenges which will facilitate the transition from a "make do and mend" philosophy inevitably restricting the degree of intelligence which can be engineered and the "designer materials systems" philosophy which is the ultimate goal are considered. The longer term vision will need to accord much more closely with nature's design paradigms, with control at the molecular, nano, micro and macro level of synthesis and assembly, of active self repair materials systems in function shapes.
Book Synopsis Vibration Control Systems Utilizing Smart Materials Actuators by : Seung-Bok Choi
Download or read book Vibration Control Systems Utilizing Smart Materials Actuators written by Seung-Bok Choi and published by . This book was released on 2016 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, considerable attention has been focused on vibration control technology using "smart" or "intelligent" materials, which have inherently actuating and sensing capabilities. Typically these materials are employed to the vibration control of lumped parameter systems or distributed parameter structures by controlling the mass-distribution, stiffness change and the dissipation change. This may be accomplished by semi-active control or active control methods associated with the smart material actuators. Among many candidates of smart materials, magneto-rheological materials and piezoelectric materials are frequently adopted for vibration control. Magneto-rheological fluid and elastomer are especially utilized for vibration control of lumped parameter systems such as automotive damper, while the piezoelectric materials are used for vibration control of flexible distributed parameter structures with salient characteristics, such as fast response time. This book can be used as a textbook for graduate students or as a reference book for potential researchers who are interested in vibration control utilizing new methods associated with smart materials actuators. This book will provide some novel insights for advanced vibration control technology to many readers.
Book Synopsis Application of Smart Materials for Vibration Reduction in Ships by : Serkan Turkmen
Download or read book Application of Smart Materials for Vibration Reduction in Ships written by Serkan Turkmen and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart Materials have been investigated for decades and widely used in the automotive and aeronautics industries to measure and control noise and vibration. This study covered ship structure vibration and Smart Materials were employed for the purpose of ship vibration attenuation. One specific Smart Material, piezoelectric material, was the focus of the study. Although previous research has been conducted on vibration mitigation employing piezoelectric shunt systems, this study identified the need for specific applications regarding ship vibration mitigation. Passive piezoelectric shunt damping systems for ships were described and investigated in this study. Computational methods were used to investigate structural vibration of a cantilever beam, a Liquid Natural Gas (LNG) carrier and a bulb keel. The Finite Element Method (FEM) was used to calculate the vibration and vibration treatment with the passive piezoelectric shunt damping system. The numerical results of the passive piezoelectric shunt system bonded to the cantilever beam were compared to experimental results obtained from a previous study. The FEM delivered results, which showed a high degree of similarity in comparison to the experimental results. Both experimental and numerical studies validate the theory that piezoelectric material, connected to an electrical circuit, can be successfully used to achieve vibration reduction. Significant vibration attenuation was found in the numerical simulation of the LNG vessel. The simulation of the bulb keel also provided promising outcome regarding substantial vibration reduction by means of piezoelectric shunt system.
Download or read book Smart Structures and Materials written by and published by . This book was released on 2001 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Smart Structures Theory by : Inderjit Chopra
Download or read book Smart Structures Theory written by Inderjit Chopra and published by Cambridge University Press. This book was released on 2014 with total page 925 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on smart materials and structures, which are also referred to as intelligent, adaptive, active, sensory, and metamorphic. The ultimate goal is to develop biologically inspired multifunctional materials with the capability to adapt their structural characteristics, monitor their health condition, perform self-diagnosis and self-repair, morph their shape, and undergo significant controlled motion.
Book Synopsis Polymer Matrix Composite Materials by : Debdatta Ratna
Download or read book Polymer Matrix Composite Materials written by Debdatta Ratna and published by Walter de Gruyter GmbH & Co KG. This book was released on 2023-11-20 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides accessible and comprehensive information on polymer matrix composites. It presents the basic concept of design of composite materials. It includes chapters on materials testing and characterization, such as mechanical testing and thermal analysis, and lifetime prediction. It discusses both structural and functional applications. Offers comprehensive information on processing, properties and applications polymer matrix composites Presents and reviews the recent development in the field e.g. damage tolerant composites, biocomposites, additive manufacturing Includes latest techniques of performance evaluation and life time assessment of composite materials
Book Synopsis Active and Passive Vibration Damping by : Amr M. Baz
Download or read book Active and Passive Vibration Damping written by Amr M. Baz and published by John Wiley & Sons. This book was released on 2019-04-08 with total page 751 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to the application of viscoelastic damping materials to control vibration and noise of structures, machinery, and vehicles Active and Passive Vibration Damping is a practical guide to the application of passive as well as actively treated viscoelastic damping materials to control vibration and noise of structures, machinery and vehicles. The author — a noted expert on the topic — presents the basic principles and reviews the potential applications of passive and active vibration damping technologies. The text presents a combination of the associated physical fundamentals, governing theories and the optimal design strategies of various configurations of vibration damping treatments. The text presents the basics of various damping effective treatments such as constrained layers, shunted piezoelectric treatments, electromagnetic and shape memory fibers. Classical and new models are included as well as aspects of viscoelastic materials models that are analyzed from the experimental characterization of the material coefficients as well as their modeling. The use of smart materials to augment the vibration damping of passive treatments is pursued in depth throughout the book. This vital guide: Contains numerical examples that reinforce the understanding of the theories presented Offers an authoritative text from an internationally recognized authority and pioneer on the subject Presents, in one volume, comprehensive coverage of the topic that is not available elsewhere Presents a mix of the associated physical fundamentals, governing theories and optimal design strategies of various configurations of vibration damping treatments Written for researchers in vibration damping and research, engineers in structural dynamics and practicing engineers, Active and Passive Vibration Damping offers a hands-on resource for applying passive as well as actively treated viscoelastic damping materials to control vibration and noise of structures, machinery and vehicles.
Author :National Research Council (U.S.). Committee on Aeronautical Technologies Publisher : ISBN 13 : Total Pages :21 pages Book Rating :4.:/5 (269 download)
Book Synopsis Aeronautical Technologies for the Twenty-first Century by : National Research Council (U.S.). Committee on Aeronautical Technologies
Download or read book Aeronautical Technologies for the Twenty-first Century written by National Research Council (U.S.). Committee on Aeronautical Technologies and published by . This book was released on 1992 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study & Development of a Novel Smart Material Based Vibration Damper by : Sudipto Neogi
Download or read book Study & Development of a Novel Smart Material Based Vibration Damper written by Sudipto Neogi and published by . This book was released on 1992 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis US-Japan Workshop on Smart Materials and Structures by : Kanryu Inoue
Download or read book US-Japan Workshop on Smart Materials and Structures written by Kanryu Inoue and published by Minerals, Metals, & Materials Society. This book was released on 1997 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart materials and structures are one of the world's emerging technologies, particularly in the USA and Japan. The 37 papers in this volume were presented at the First US-Japan Workshop on Smart Materials and Structures, held at the University of Washington, Seattle, Washington, December 3-4, 1995.
Book Synopsis Adaptive-passive and Active Control of Vibration and Wave Propagation in Cylindrical Shells Using Smart Materials by : Mubing Xu
Download or read book Adaptive-passive and Active Control of Vibration and Wave Propagation in Cylindrical Shells Using Smart Materials written by Mubing Xu and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart materials are increasingly used in structural control of vibration and wave propagation. Most of existing studies have focused on the vibration control using smart materials in the form of patches or films, and ring-type has seldom been used. There is not much research on control of cylindrical shells using tunable materials. To meet this need, the present study develops theoretical models for adaptively-passive and active control of vibration and wave propagation in cylindrical shells using smart materials. One unique characteristic of shape memory alloy (SMA), i.e., the controllable elastic modulus with respect to temperature, is adopted in adaptively-passive control of vibration; with the capability of providing line circumferential distributed control forces due to their property of piezoelectricity in piezoelectric ceramic materials (e.g., PZT), the ring-type actuators are proposed to actively control the forced vibration response. The cylindrical shells both in vacuo and filled with fluid are investigated, and two different problems are considered: one is the wave propagation and transmission, and the other is the forced vibration response from external excitation. With the controllable elastic modulus of SMA, SMA wall joint has the capability of controlling the vibration source with wide-band frequencies or with a time-varying frequency. With the solution of the characteristics of the free wave propagation from the dispersive equation, the vibration response and characteristics of reflection/transmission from incident wave are investigated by using the wave approach and the method of residues. Numerical simulation indicates that the SMA wall joint has the potential to solve the problem of pass-band, and the transmission loss is more than 20dB for all frequency ranges providing a proper temperature. This SMA wall joint is also adopted to adaptively control the forced vibration response from external excitation. Parametric study demonstrates that the SMA joint has the capability of controlling the forced vibration of the shell excited by external excitation, and increasing damping ratio in the SMA joint does not mean to improve its vibration control performance. With the property of piezoelectricity, the piezoelectric ceramic material is able to function as both sensors and actuators. With the capability to offer more control authority by providing active control line force/moment, the ring-type PZT actuator (being modeled as a line circumferential distributed control force) is adopted to actively control the vibration in cylindrical shell. The transmission loss of this active control method is obtained by using the theory of residues. Simulation results demonstrate that it is possible to achieve a vibration reduction of 20dB for the shells both in vacuo and filled with fluid by using only one control force. In summary, the present study illustrates the effectiveness and capabilities of smart materials (e.g., SMA and PZT) on control of vibration and wave propagation in cylindrical shells, and the proposed theoretical models provide better understanding of vibration and wave propagation behaviors of cylindrical shells with smart materials and can be used to guide design and analysis of smart cylindrical shell structures.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Noise and Vibration Control by : Malcolm J. Crocker
Download or read book Handbook of Noise and Vibration Control written by Malcolm J. Crocker and published by John Wiley & Sons. This book was released on 2007-10-05 with total page 1594 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two of the most acclaimed reference works in the area of acoustics in recent years have been our Encyclopedia of Acoustics, 4 Volume set and the Handbook of Acoustics spin-off. These works, edited by Malcolm Crocker, positioned Wiley as a major player in the acoustics reference market. With our recently published revision of Beranek & Ver's Noise and Vibration Control Engineering, Wiley is a highly respected name in the acoustics business. Crocker's new handbook covers an area of great importance to engineers and designers. Noise and vibration control is one largest areas of application of the acoustics topics covered in the successful encyclopedia and handbook. It is also an area that has been under-published in recent years. Crocker has positioned this reference to cover the gamut of topics while focusing more on the applications to industrial needs. In this way the book will become the best single source of need-to-know information for the professional markets.
Book Synopsis Vibration Damping by : Ahid D. Nashif
Download or read book Vibration Damping written by Ahid D. Nashif and published by Wiley-Interscience. This book was released on 1991-01-16 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical approach to the application of viscoelastic damping materials to control vibration and noise problems in industrial structures, machinery, computer machinery, and vehicles. Assuming a basic understanding of mechanical engineering, the text covers implementation of theory, including material properties, dynamic structural response, design procedures and practical applications. Based on an understanding of both the properties of materials and the vibrational response of structures. Considers individual structures and the damping materials properties simultaneously. Includes extensive collection of data sheets for a large number of useful damping materials.
Book Synopsis Smart Helicopter Rotors by : Ranjan Ganguli
Download or read book Smart Helicopter Rotors written by Ranjan Ganguli and published by Springer. This book was released on 2015-12-16 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exploiting the properties of piezoelectric materials to minimize vibration in rotor-blade actuators, this book demonstrates the potential of smart helicopter rotors to achieve the smoothness of ride associated with jet-engined, fixed-wing aircraft. Vibration control is effected using the concepts of trailing-edge flaps and active-twist. The authors’ optimization-based approach shows the advantage of multiple trailing-edge flaps and algorithms for full-authority control of dual trailing-edge-flap actuators are presented. Hysteresis nonlinearity in piezoelectric stack actuators is highlighted and compensated by use of another algorithm. The idea of response surfaces provides for optimal placement of trailing-edge flaps. The concept of active twist involves the employment of piezoelectrically induced shear actuation in rotating beams. Shear is then demonstrated for a thin-walled aerofoil-section rotor blade under feedback-control vibration minimization. Active twist is shown to be significant in reducing vibration caused by dynamic stall. The exposition of ideas, materials and algorithms in this monograph is supported by extensive reporting of results from numerical simulations of smart helicopter rotors. This monograph will be a valuable source of reference for researchers and engineers with backgrounds in aerospace, mechanical and electrical engineering interested in smart materials and vibration control. Advances in Industrial Control aims to report and encourage the transfer of technology in control engineering. The rapid development of control technology has an impact on all areas of the control discipline. The series offers an opportunity for researchers to present an extended exposition of new work in all aspects of industrial control.
