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Author : Etienne Goubet
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (494 download)
Download or read book Controle non destructif par analyse supervisee d'images 3D ultrasonores written by Etienne Goubet and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Étienne Goubet
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (494 download)
Download or read book Contrôle non destructif par analyse supervisée d'images 3D ultrasonores written by Étienne Goubet and published by . This book was released on 1999 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'objet de cette thèse consiste en l'élaboration d'une chaine de traitements permettant d'extraire l'information utile de données 3d ultrasonores et de caractériser les défauts éventuellement présents dans la pièce inspectée. Cette caractérisation a été abordée pour des fissures contrôlées par un même émetteur/récepteur. Dans une première partie nous rappelons les principes du contrôle non destructif par ultrasons ainsi que les représentations classiques des données ultrasonores. La deuxième partie est consacrée à l'étude d'un modèle d'extraction de l'information d'échos présents sur les données au moyen d'une base d'ondelettes adaptée. L'utilisation d'une ondelette unique translatée dans le temps est rendue possible par un travail sur une représentation complexe des données réelles originales. Une première étape permet de détecter et de positionner les échos d'amplitude significative. Dans un deuxième temps, on effectue une régularisation spatialement cohérente des instants de détection à l'aide d'un modèle markovien. On élimine ainsi les échos dont les instants de détection ne font pas partie de surfaces d'instants régulières. Les parties suivantes traitent de la localisation et du dimensionnement des fissures. On utilise des caractéristiques extraites du faisceau ultrasonore afin de déterminer le trajet de l'onde ultrasonore du capteur à l'objet diffractant lorsque la réponse de l'écho est maximale. On met en correspondance l'instant de détection obtenu pour cet écho et le temps de parcours selon le trajet défini afin de positionner un point d'arête dans la pièce. On obtient ainsi un ensemble de points de discrétisation pour chaque arête. Dans le cadre de données 3d obtenues sur un matériau isotrope, on élimine les points d'arête extrêmes en utilisant un critère de comparaison sur les courbes échodynamiques associées aux points de détection sur les données réelles et sur des données simulées équivalentes. La localisation est abordée pour des fissures situées dans un matériau isotrope ou acier revêtu d'anisotrope.
Author : Xavier E. Gros
Publisher : Springer Science & Business Media
ISBN 13 : 9780792374121
Total Pages : 300 pages
Book Rating : 4.3/5 (741 download)
Download or read book Applications of NDT Data Fusion written by Xavier E. Gros and published by Springer Science & Business Media. This book was released on 2001-07-31 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-destructive testing (NDT) systems can generate incomplete, incorrect or conflicting information about a flaw or a defect. Therefore, the use of more than one NDT system is usually required for accurate defect detection and/or quantification. In addition to a reduction in inspection time, important cost savings could be achieved if a data fusion process is developed to combine signals from multisensor systems for manual and remotely operated inspections. This gathering of data from multiple sources and an efficient processing of information help in decision making, reduce signal uncertainty and increase the overall performance of a non-destructive examination. This book gathers, for the first time, essays from leading NDT experts involved in data fusion. It explores the concept of data fusion by providing a comprehensive review and analysis of the applications of NDT data fusion. This publication concentrates on NDT data fusion for industrial applications and highlights progress and applications in the field of data fusion in areas ranging from materials testing in the aerospace industry to medical applications. Each chapter contains a specific case study with a theoretical part but also presents experimental results from a practical point of view. The book should be considered more as a pragmatic introduction to the applications of NDT data fusion rather than a rigorous basis for theoretical studies.
Author : Xavier Gros
Publisher : Elsevier
ISBN 13 : 0080524044
Total Pages : 233 pages
Book Rating : 4.0/5 (85 download)
Download or read book NDT Data Fusion written by Xavier Gros and published by Elsevier. This book was released on 1996-11-01 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data fusion is a rapidly developing technology which involves the combination of information supplied by several NDT (Non-Destructive Testing) sensors to provide a more complete and understandable picture of structural integrity. This text is the first to be devoted exclusively to the concept of multisensor integration and data fusion applied to NDT. The advantages of this methodology are widely acknowledged and the author presents an excellent introduction to data fusion processes. Problems are approached progressively through detailed case studies, offering practical guidance for those wishing to develop and explore NDT data fusion further. This book will prove invaluable to inspectors, students and researchers concerned with NDT signal processing measurements and testing. It shows the great value and major benefits which can be achieved by implementing multisensor data fusion, not only in NDT but also in any discipline where measurements and testing are key activities.
Author : Alexander Beveridge
Publisher : CRC Press
ISBN 13 : 1420087258
Total Pages : 832 pages
Book Rating : 4.4/5 (2 download)
Download or read book Forensic Investigation of Explosions, Second Edition written by Alexander Beveridge and published by CRC Press. This book was released on 2011-11-02 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in its second edition, Forensic Investigation of Explosions draws on the editor’s 30 years of explosives casework experience, including his work on task forces set up to investigate major explosives incidents. Dr. Alexander Beveridge provides a broad, multidisciplinary approach, assembling the contributions of internationally recognized experts who present the definitive reference work on the subject. Topics discussed include: The physics and chemistry of explosives and explosions The detection of hidden explosives The effect of explosions on structures and persons Aircraft sabotage investigations Explosion scene investigations Casework management The role of forensic scientists Analysis of explosives and their residues Forensic pathology as it relates to explosives Presentation of expert testimony With nearly 40 percent more material, this new edition contains revised chapters and several new topics, including: A profile of casework management in the UK Forensic Explosives Laboratory, one of the world’s top labs, with a discussion of their management system, training procedures, and practical approaches to problem solving Properties and analysis of improvised explosives An examination of the Bali bombings and the use of mobile analytical techniques and mobile laboratories The collection, analysis, and presentation of evidence in vehicle-borne improvised explosive device cases, as evidenced in attacks on US overseas targets This volume offers valuable information to all members of prevention and post-blast teams. Each chapter was written by an expert or experts in a specific field and provides well-referenced information underlying best practices that can be used in the field, laboratory, conference room, classroom, or courtroom.
Author : Carlos A. Da Silva
Publisher : CABI
ISBN 13 : 1845935764
Total Pages : 290 pages
Book Rating : 4.8/5 (459 download)
Download or read book Agro-industries for Development written by Carlos A. Da Silva and published by CABI. This book was released on 2009 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of competitive agro-industries is crucial for creating employment and income opportunities as well as enhancing the quality of and demand for farm products. Agro-industries can have a real effect on international development by increasing economic growth and reducing poverty in both rural and urban areas of developing countries. However, in order to avoid adverse effects to vulnerable countries and people, sound policies and strategies for fostering agro-industries are needed. Agro-Industries for Development highlights the current status and future course for agro-industries and brings attention to the contributions this sector can make to international development. The book includes contributions from agro-industry specialists, academic experts and UN technical agencies, chapters address the strategies and actions required for improving agro-industrial competitiveness in ways that can create income, generate employment and fight poverty in the developing world. This book is a co-publication with FAO and UNIDO.
Author : Vasisht Venkatesh
Publisher : John Wiley & Sons
ISBN 13 : 1119296110
Total Pages : 4024 pages
Book Rating : 4.1/5 (192 download)
Download or read book Proceedings of the 13th World Conference on Titanium written by Vasisht Venkatesh and published by John Wiley & Sons. This book was released on 2016-04-26 with total page 4024 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the Proceedings of the 13th World Conference on Titanium.
Author :
Publisher :
ISBN 13 :
Total Pages : 1144 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Atomic Energy Agency
Publisher : International Atomic Energy Agency
ISBN 13 : 9789201063205
Total Pages : 72 pages
Book Rating : 4.0/5 (632 download)
Download or read book In-Vessel Melt Retention and Ex-Vessel Corium Cooling: IAEA Tecdoc No. 1906 written by International Atomic Energy Agency and published by International Atomic Energy Agency. This book was released on 2020-08-06 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication results from a technical meeting on phenomenology and technologies relevant to in-vessel melt retention (IVMR) and ex-vessel corium cooling (EVCC). The purpose of the publication is to capture the state of knowledge, at the time of that meeting, related to phenomenology and technologies as well as the challenges and pending issues relevant to IVMR and EVCC for water cooled reactors by summarizing the information provided by the meeting participants in a form useful to practitioners in Member States.
Author :
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Saadia Amiel
Publisher : Elsevier Science & Technology
ISBN 13 :
Total Pages : 396 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nondestructive Activation Analysis written by Saadia Amiel and published by Elsevier Science & Technology. This book was released on 1981 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alessandra Ceretto
Publisher : Lulu.com
ISBN 13 : 136509796X
Total Pages : 192 pages
Book Rating : 4.3/5 (65 download)
Download or read book Trichier written by Alessandra Ceretto and published by Lulu.com. This book was released on with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chevalier François Le
Publisher : Artech House
ISBN 13 : 9781608071357
Total Pages : 422 pages
Book Rating : 4.0/5 (713 download)
Download or read book Principles of Radar and Sonar Signal Processing written by Chevalier François Le and published by Artech House. This book was released on 2002 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Atomic Energy Agency
Publisher :
ISBN 13 :
Total Pages : 680 pages
Book Rating : 4.:/5 (31 download)
Download or read book Nuclear Safeguards Technology, 1986 written by International Atomic Energy Agency and published by . This book was released on 1987 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Bernan Press(PA)
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.F/5 ( download)
Download or read book Elemental Analysis of Biological Materials written by and published by Bernan Press(PA). This book was released on 1980 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carosena Meola
Publisher : Bentham Science Publishers
ISBN 13 : 1608051439
Total Pages : 254 pages
Book Rating : 4.6/5 (8 download)
Download or read book Infrared Thermography Recent Advances and Future Trends written by Carosena Meola and published by Bentham Science Publishers. This book was released on 2012-08-03 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Infrared thermography (IRT) is a non-contact, non-invasive methodology which allows for detection of thermal energy that is radiated from objects in the infrared band of the electromagnetic spectrum, for conversion of such energy into a visible image (such as a surface temperature map). This feature represents a great potential to be exploited in a vast variety of fields from aerospace to civil engineering, to medicine, to agriculture, etc. However, IRT is still not adequately enclosed in industrial instrumentation and there are still potential users who might benefit from the use of such a technique and who are not aware of their existence. This e-book conveys information about basic IRT theory, infrared detectors, signal digitalization and applications of infrared thermography in many fields such as medicine, foodstuff conservation, fluid-dynamics, architecture, anthropology, condition monitoring, non destructive testing and evaluation of materials and structures. The volume promotes an exchange of information between the academic world and industry, and shares methodologies which were independently developed and applied in specific disciplines.
Author : Louis Redding
Publisher : Springer
ISBN 13 : 3319121111
Total Pages : 459 pages
Book Rating : 4.3/5 (191 download)
Download or read book Through-life Engineering Services written by Louis Redding and published by Springer. This book was released on 2014-12-26 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: Demonstrating the latest research and analysis in the area of through-life engineering services (TES), this book utilizes case studies and expert analysis from an international array of practitioners and researchers – who together represent multiple manufacturing sectors: aerospace, railway and automotive – to maximize reader insights into the field of through-life engineering services. As part of the EPSRC Centre in Through-life Engineering Services program to support the academic and industrial community, this book presents an overview of non-destructive testing techniques and applications and provides the reader with the information needed to assess degradation and possible automation of through-life engineering service activities . The latest developments in maintenance-repair-overhaul (MRO) are presented with emphasis on cleaning technologies, repair and overhaul approaches and planning and digital assistance. The impact of these technologies on sustainable enterprises is also analyzed. This book will help to support the existing TES community and will provide future studies with a strong base from which to analyze and apply techn9olgical trends to real world examples.
