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Author : Zheng Fan
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (93 download)
Download or read book Applications of Guided Wave Propagation on Waveguides with Irregular Cross-section written by Zheng Fan and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zheng Fan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (93 download)
Download or read book Applications of Guided Wave Propagation on Waveguides with Irregular Cross-section written by Zheng Fan and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chunguang Xu
Publisher : CRC Press
ISBN 13 : 1040051804
Total Pages : 476 pages
Book Rating : 4.0/5 (4 download)
Download or read book Fundamentals of Ultrasonic Testing written by Chunguang Xu and published by CRC Press. This book was released on 2024-08-01 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on the theory and state-of-the-art technologies of ultrasonic testing (UT), this book examines ultrasonic propagation in solids and its detection applications, and explores the intersection of UT technology with various fields of electromagnetics, optics and physics. UT is one of the most widely used nondestructive testing techniques due to its high performance in terms of detection efficiency and safety. The rapid development of modern industrial products and technologies has created a new challenge and demand for ultrasonic nondestructive testing technology. This book introduces the fundamentals of UT, including sound wave and sound field, interface wave theory and liquid-solid coupled sound field. It then discusses various types of UT methods, ranging from the critically refracted longitudinal wave method to ultrasonic surface wave and ultrasonic guided wave detection methods. Some newly developed UT techniques are also discussed, including phased-array UT, high-frequency UT and non-contact UT. This title will appeal to engineering students and technicians in the field of ultrasonic nondestructive testing.
Author : Chunguang Xu
Publisher : CRC Press
ISBN 13 : 1000516822
Total Pages : 517 pages
Book Rating : 4.0/5 (5 download)
Download or read book Robotic Nondestructive Testing Technology written by Chunguang Xu and published by CRC Press. This book was released on 2022-09-27 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: The content of this book includes a variety of nondestructive testing (NDT) methods, with many introductions to testing and application cases. The book proposes new ultrasonic testing technology for complex workpieces. It is hard for traditional NDT technology to realize the automatic detection of complex curved components, especially the automatic high-precision nondestructive detection of curved-surface components with variable curvature, variable thickness and complex contour. Therefore, the robotic NDT technique as a combination of manipulator technique and NDT technique can further improve the efficiency and accuracy of NDT. Robotic NDT Technique combines the physical principle of nondestructive testing with the flexible motion control of spatial attitude of articulated manipulator. With NDT as the constraint, it controls the motion attitude and azimuth angle of a transmitting and receiving transducer. Thus traditional NDT technique has developed from plane to curved surface, from 2D to many dimensions and from artificiality to intelligence, into a unique and systematic interdisciplinary robotic NDT technique.
Author : B. Z. Katsenelenbaum
Publisher : IET
ISBN 13 : 9780852969182
Total Pages : 278 pages
Book Rating : 4.9/5 (691 download)
Download or read book Theory of Nonuniform Waveguides written by B. Z. Katsenelenbaum and published by IET. This book was released on 1998 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents and develops the mathematical tools required to effectively examine and analyse propagation processes of waves of various natures using the cross section method, in artificial and non-artificial waveguides. These techniques are used in the solution of practical situations in various fields, such as plasma heating in nuclear fusion, materials processing and radar and satellite communication systems.
Author : Claudio Nucera
Publisher :
ISBN 13 : 9781267425683
Total Pages : 273 pages
Book Rating : 4.4/5 (256 download)
Download or read book Propagation of Nonlinear Waves in Waveguides and Application to Nondestructive Stress Measurement written by Claudio Nucera and published by . This book was released on 2012 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Propagation of nonlinear waves in waveguides is a field that has received an ever increasing interest in the last few decades. Nonlinear guided waves are excellent candidates for interrogating long waveguide like structures because they combine high sensitivity to structural conditions, typical of nonlinear parameters, with large inspection ranges, characteristic of wave propagation in bounded media./DISS_para DISS_paraThe primary topic of this dissertation is the analysis of ultrasonic waves, including ultrasonic guided waves, propagating in their nonlinear regime and their application to structural health monitoring problems, particularly the measurement of thermal stress in Continuous Welded Rail (CWR). Following an overview of basic physical principles generating nonlinearities in ultrasonic wave propagation, the case of higher-harmonic generation in multi-mode and dispersive guided waves is examined in more detail. A numerical framework is developed in order to predict favorable higher-order generation conditions (i.e. specific guided modes and frequencies) for waveguides of arbitrary cross-sections. This model is applied to various benchmark cases of complex structures. The nonlinear wave propagation model is then applied to the case of a constrained railroad track (CWR) subjected to thermal variations. This study is a direct response to the key need within the railroad transportation community to develop a technique able to measure thermal stresses in CWR, or determine the rail temperature corresponding to a null thermal stress (Neutral Temperature - NT). The numerical simulation phase concludes with a numerical study performed using ABAQUS commercial finite element package. These analyses were crucial in predicting the evolution of the nonlinear parameter [Beta] with thermal stress level acting in the rail. A novel physical model, based on interatomic potential, was developed to explain the origin of nonlinear wave propagation under constrained thermal expansion. In fact, where the classical physics of nonlinear wave propagation assumes finite strains, the case at hand of constrained thermal expansion is, instead, characterized by infinitesimal (ideally zero) strains. Hand-in-hand with the theoretical analyses, a comprehensive program of experimental testing has been conducted at UCSD's Large-Scale Rail NT Test-bed, a unique 70-ft track with controlled temperature excursions constructed at UCSD's Powell Laboratories with government and industry funding. A prototype has been constructed for wayside determination of the rail NT based on the measurement of wave nonlinearities. The experimental results obtained with the prototype in the Large-Scale Test-bed are extremely encouraging, showing an accuracy of only a few degrees for the determination of the rail NT. If confirmed in the field, this result could revolutionize the way CWR are maintained to prevent rail buckling with respect to the thermal stress management problem.
Author : Guennadi A. Kouzaev
Publisher : Springer Science & Business Media
ISBN 13 : 3642303102
Total Pages : 542 pages
Book Rating : 4.6/5 (423 download)
Download or read book Applications of Advanced Electromagnetics written by Guennadi A. Kouzaev and published by Springer Science & Business Media. This book was released on 2012-10-30 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text, directed to the microwave engineers and Master and PhD students, is on the use of electromagnetics to the development and design of advanced integrated components distinguished by their extended field of applications. The results of hundreds of authors scattered in numerous journals and conference proceedings are carefully reviewed and classed. Several chapters are to refresh the knowledge of readers in advanced electromagnetics. New techniques are represented by compact electromagnetic–quantum equations which can be used in modeling of microwave-quantum integrated circuits of future In addition, a topological method to the boundary value problem analysis is considered with the results and examples. One extended chapter is for the development and design of integrated components for extended bandwidth applications, and the technology and electromagnetic issues of silicon integrated transmission lines, transitions, filters, power dividers, directional couplers, etc are considered. Novel prospective interconnects based on different physical effects are reviewed as well. The ideas of topology is applicable to the electromagnetic signaling and computing, when the vector field maps can carry discrete information, and this area and the results in topological signaling obtained by different authors are analyzed, including the recently designed predicate logic processor operating spatially represented signal units. The book is rich of practical examples, illustrations, and references and useful for the specialists working at the edge of contemporary technology and electromagnetics.
Author : Ehsan Khajeh
Publisher :
ISBN 13 :
Total Pages : 243 pages
Book Rating : 4.:/5 (11 download)
Download or read book Guided Wave Propagation in Complex Curved Waveguides written by Ehsan Khajeh and published by . This book was released on 2013 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Malischewsky
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3112756673
Total Pages : 232 pages
Book Rating : 4.1/5 (127 download)
Download or read book Surface Waves and Discontinuities written by Peter Malischewsky and published by Walter de Gruyter GmbH & Co KG. This book was released on 1987-12-31 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: No detailed description available for "Surface Waves and Discontinuities".
Author : Ranting Cui
Publisher :
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (12 download)
Download or read book SAFE Framework for Guided Waves written by Ranting Cui and published by . This book was released on 2017 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many advantages for NDE (Non-Destructive Evaluation) by using guided ultrasonic waves for structural diagnostic. Guided waves are composed of longitudinal waves and shear waves. From the data acquisition respect, guided waves provide higher ranges compared to bulk wave testing. However, many challenges appear when guided waves are used for detecting, such as many modes corresponding to one frequency, and dispersion properties on the group velocity and phase velocity. This thesis simulates guided-wave propagation by using the SAFE (Semi-Analytical Finite Element) method. From this method, only the cross section needs to be discretized. The wave propagation direction is approximated by analytical harmonic solutions. By building many large complex stiffness matrices, material viscoelastic property is considered. The solutions, such as group velocity dispersion curves (without material attenuation), phase velocity dispersion curves, energy velocity dispersion curves (with material attenuation), are generated from the SAFE codes. Moreover, SAFE codes can simulate forced solutions more efficiently than full discretization methods of traditional finite element analysis. Two applications of guided wave propagation are shown on this thesis, multilayered anisotropic composites and railroad tracks.
Author : Vladimir V. Mitin
Publisher : CRC Press
ISBN 13 : 1498776302
Total Pages : 354 pages
Book Rating : 4.4/5 (987 download)
Download or read book An Introduction to Applied Electromagnetics and Optics written by Vladimir V. Mitin and published by CRC Press. This book was released on 2016-11-18 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern technology is rapidly developing and for this reason future engineers need to acquire advanced knowledge in science and technology, including electromagnetic phenomena. This book is a contemporary text of a one-semester course for junior electrical engineering students. It covers a broad spectrum of electromagnetic phenomena such as, surface waves, plasmas, photonic crystals, negative refraction as well as related materials including superconductors. In addition, the text brings together electromagnetism and optics as the majority of texts discuss electromagnetism disconnected from optics. In contrast, in this book both are discussed. Seven labs have been developed to accompany the material of the book.
Author : Eric L. Mokole
Publisher : Springer Science & Business Media
ISBN 13 : 1441991468
Total Pages : 592 pages
Book Rating : 4.4/5 (419 download)
Download or read book Ultra-Wideband, Short-Pulse Electromagnetics 6 written by Eric L. Mokole and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sixth Conference on Ultra-Wideband, Short-Pulse Electromagnetics (UWB SP6), chaired by Eric Mokole of the United States Naval Research Laboratory (NRL) and hosted by the NRL and the United States Naval Academy (USNA), was held at the USNA in Annapolis Maryland (USA) from 3-7 June 2002. UWB SP6 was part of the AMEREM 2002 Symposium, chaired by Terence Wieting of the NRL. AMEREM 2002 continued the series of international conferences that were held in: Brooklyn New York at the Polytechnic University in 1992 and 1994; Albuquerque New Mexico in 1996 as part of AMEREM '96; Tel-Aviv Israel in 1998 as part of EUROEM '98; and Edinburgh Scotland in 2000 as part of EUROEM 2000. The next conference (UWB SP7) will be held from 12-16 July 2004 at Otto von Guericke University in Magdeburg Germany (EUROEM 2004) and will be chaired by Frank Sabath. The purpose of these meetings is: to focus on advanced technologies for the generation, radiation, and detection of ultrawideband (UWB) short-pulse signals, taking into account their propagation about, scattering from, and coupling to targets and media of interest; to report on developments in supporting mathematical and numerical methods; and to describe current and potential future applications of the technology. The session topics of UWB-SP6 included electromagnetic theory, scattering, UWB antennas, UWB systems, ground penetrating radar (GPR), pulsed,. power generation, time-domain computational electromagnetics, UWB compatibility, target detection and discrimination, propagation through dispersive media, and wavelet and multi-resolution techniques.
Author :
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (31 download)
Download or read book Symposium on High Performance Electron Devices for Microwave and Optoelectronic Applications (EDMO) written by and published by . This book was released on 2000 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 1806 pages
Book Rating : 4.F/5 ( download)
Download or read book Physics Briefs written by and published by . This book was released on 1991 with total page 1806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1860 pages
Book Rating : 4.3/5 (243 download)
Download or read book Electrical & Electronics Abstracts written by and published by . This book was released on 1997 with total page 1860 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raj Mittra
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.F/5 ( download)
Download or read book Analytical Techniques in the Theory of Guided Waves written by Raj Mittra and published by . This book was released on 1971 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
