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Explosive Induced Shock Damage In Copper And Recompression Of The Damaged Region
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Book Synopsis Explosive-induced Shock Damage in Copper and Recompression of the Damaged Region by :
Download or read book Explosive-induced Shock Damage in Copper and Recompression of the Damaged Region written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, we have studied the dynamic spall process for copper samples in contact with detonating low-performance explosives. When a triangular shaped shock wave from detonation moves through a sample and reflects from the free surface, tension develops immediately, one or more damaged layers can form, and a spall scab can separate from the sample and move ahead of the remaining target material. For dynamic experiments, we used time-resolved velocimetry and x-ray radiography. Soft-recovered samples were analyzed using optical imaging and microscopy. Computer simulations were used to guide experiment design. We observe that for some target thicknesses the spall scab continues to run ahead of the rest of the sample, but for thinner samples, the detonation product gases accelerate the sample enough for it to impact the spall scab several microseconds or more after the initial damage formation. Our data also show signatures in the form of a late-time reshock in the time-resolved data, which support this computational prediction. A primary goal of this research was to study the wave interactions and damage processes for explosives-loaded copper and to look for evidence of this postulated recompression event. We found both experimentally and computationally that we could tailor the magnitude of the initial and recompression shocks by varying the explosive drive and the copper sample thickness; thin samples had a large recompression after spall, whereas thick samples did not recompress at all. Samples that did not recompress had spall scabs that completely separated from the sample, whereas samples with recompression remained intact. This suggests that the hypothesized recompression process closes voids in the damage layer or otherwise halts the spall formation process. This is a somewhat surprising and, in some ways controversial, result, and the one that warrants further research in the shock compression community.
Book Synopsis Shock Compression of Condensed Matter--2003 by : Michael D. Furnish
Download or read book Shock Compression of Condensed Matter--2003 written by Michael D. Furnish and published by . This book was released on 2004 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two volumes contain 350 papers presented at the 13th Biennial International Conference of the APS Topical Group on Shock Compression of Condensed Matter (Portland, Oregon, July 2003). One of the three plenary lectures was given by James Asay (Institute for Shock Physics, Washington State U., Pullman, Washington) on wave structure studies in condensed matter physics. The papers in v.1 address nonenergetic materials; energetic materials; phase transitions; the modeling, simulation, theory, and molecular dynamics modeling of nonreactive and reactive materials; spall, fracture, and fragmentation; constitutive and microstructural properties of metals; mechanical properties of polymers and composites; and mechanical properties of ceramics, glasses, ionic solids, and liquids. The largest number of papers in v.2 are under the headings mechanical properties of reactive materials; detonation and burn phenomena; explosive and initiation studies; experimental techniques; and geophysics, structures, and medical applications. The contributors represent 14 countries, where they work in state and private industry and academic settings. Indexed by both author and subject. Annotation :2004 Book News, Inc., Portland, OR (booknews.com).
Book Synopsis Explosively Driven Pulsed Power by : Andreas Neuber
Download or read book Explosively Driven Pulsed Power written by Andreas Neuber and published by Springer Science & Business Media. This book was released on 2005-07-22 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: While the basic operating principles of Helical Magnetic Flux Compression Generators are easy to understand, the details of their construction and performance limits have been described only in government reports, many of them classified. Conferences in the field of flux compression are also dominated by contributions from government (US and foreign) laboratories. And the government-sponsored research has usually been concerned with very large generators with explosive charges that require elaborate facilities and safety arrangements. This book emphasizes research into small generators (less than 500 grams of high explosives) and explains in detail the physical fundamentals, construction details, and parameter-variation effects related to them.
Book Synopsis New Insights and Perspectives on Traumatic Brain Injury: Integration, Translation and Multidisciplinary Approaches by : Zhou Zhou
Download or read book New Insights and Perspectives on Traumatic Brain Injury: Integration, Translation and Multidisciplinary Approaches written by Zhou Zhou and published by Frontiers Media SA. This book was released on 2024-07-01 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traumatic brain injury (TBI) remains one of healthcare's most significant challenges and policy making. TBI could not only lead to long-term functional impairment but also a decrease in quality of life. Lowering the mortality risk and benefitting survivors' living quality remains the target of neurotrauma studies globally. With the advent of novel TBI-related clinical and basic research approaches, diagnostics, therapeutics research, and novel and multidisciplinary methods have emerged. Despite promising progress, no completely effective treatment prevents or minimizes TBI and its related neurological and psychiatric sequelae. Understanding the mechanisms underlying the pathophysiology, treatment progress, and clinically based translational and engineering research on TBI may pave the way for potential treatment targets, diagnostic markers, and preventive methods that ultimately lead to efficacious therapeutic strategies. This Research Topic aims to disseminate high-quality TBI and related research, especially for the compositive and in-depth study in integration, translation, and multidisciplinary approaches in TBI research, including new technology and research methods in clinical neurology, new findings in neuroendocrinology, neuropathology and new development in neuropharmacology, neurophysiology. This Research Topic is focused on novel developments, current challenges, future perspectives, and especially interdisciplinary research in the field of TBI.
Book Synopsis Rock Damage from Small Charge Blasting in Granite by :
Download or read book Rock Damage from Small Charge Blasting in Granite written by and published by . This book was released on 1973 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fusion Energy Update written by and published by . This book was released on 1981 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spall Fracture written by Tarabay Antoun and published by Springer Science & Business Media. This book was released on 2006-04-06 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shock-induced dynamic fracture of solids is of practical importance in many areas of materials science, chemical physics, engineering, and geophysics. This book, by an international roster of authors, comprises a systematic account of the current state of research in the field, integrating the large amount of work done in the former Soviet Union with the work done in the West. Topics covered include: Wave propagation, experimental techniques and measurements, spallation of materials of different classes (metals, ceramics, glasses, polymers), constitutive models of fracture processes, and computer simulations.
Book Synopsis Rock Fracture and Blasting by : Zong-Xian Zhang
Download or read book Rock Fracture and Blasting written by Zong-Xian Zhang and published by Butterworth-Heinemann. This book was released on 2016-04-26 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rock Fracture and Blasting: Theory and Applications provides the latest on stress waves, shock waves, and rock fracture, all necessary components that must be critically analyzed to maximize results in rock blasting. The positioning of charges and their capacity and sequencing are covered in this book, and must be carefully modeled to minimize impact in the surrounding environment. Through an explanation of these topics, author Professor Zhang’s experience in the field, and his theoretical knowledge, users will find a thorough guide that is not only up-to-date, but complete with a unique perspective on the field. Includes a rigorous exposition of Stress Waves and Shock Waves, as well as Rock Fracture and Fragmentation Provides both Empirical and Hybrid Stress Blasting Modeling tools and techniques for designing effective blast plans Offers advanced knowledge that enables users to choose better blast techniques Includes exercises for learning and training in each chapter
Book Synopsis History of Shock Waves, Explosions and Impact by : Peter O. K. Krehl
Download or read book History of Shock Waves, Explosions and Impact written by Peter O. K. Krehl and published by Springer Science & Business Media. This book was released on 2008-09-24 with total page 1298 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique and encyclopedic reference work describes the evolution of the physics of modern shock wave and detonation from the earlier and classical percussion. The history of this complex process is first reviewed in a general survey. Subsequently, the subject is treated in more detail and the book is richly illustrated in the form of a picture gallery. This book is ideal for everyone professionally interested in shock wave phenomena.
Book Synopsis Metal-Fluorocarbon Based Energetic Materials by : Ernst-Christian Koch
Download or read book Metal-Fluorocarbon Based Energetic Materials written by Ernst-Christian Koch and published by John Wiley & Sons. This book was released on 2012-03-26 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal-Fluorocarbon Based Energetic Materials This exciting new book details all aspects of a major class of pyrolants and elucidates the progress that has been made in the field, covering both the chemistry and applications of these compounds. Written by a pre-eminent authority on the subject from the NATO Munitions Safety Information Analysis Center (MSIAC), it begins with a historical overview of the development of these materials, followed by a thorough discussion of their ignition, combustion and radiative properties. The next section explores the multiple facets of their military and civilian applications, as well as industrial synthetic techniques. The critical importance of the associated hazards, namely sensitivity, stability and aging, are discussed in detail, and the book is rounded off by an examination of the future of this vital and expanding field. The result is a complete guide to the chemistry, manufacture, applications and required safety precautions of pyrolants for both the military and chemical industries. From the preface: “... This book fills a void in the collection of pyrotechnic literature... it will make an excellent reference book that all researchers of pyrolants and energetics must have...” Dr. Bernard E. Douda, Dr. Sara Pliskin, NAVSEA Crane, IN, USA
Author :Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation Publisher :National Academies Press ISBN 13 :0309133343 Total Pages :422 pages Book Rating :4.3/5 (91 download)
Book Synopsis Health Risks from Exposure to Low Levels of Ionizing Radiation by : Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation
Download or read book Health Risks from Exposure to Low Levels of Ionizing Radiation written by Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation and published by National Academies Press. This book was released on 2006-03-23 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the seventh in a series of titles from the National Research Council that addresses the effects of exposure to low dose LET (Linear Energy Transfer) ionizing radiation and human health. Updating information previously presented in the 1990 publication, Health Effects of Exposure to Low Levels of Ionizing Radiation: BEIR V, this book draws upon new data in both epidemiologic and experimental research. Ionizing radiation arises from both natural and man-made sources and at very high doses can produce damaging effects in human tissue that can be evident within days after exposure. However, it is the low-dose exposures that are the focus of this book. So-called “late” effects, such as cancer, are produced many years after the initial exposure. This book is among the first of its kind to include detailed risk estimates for cancer incidence in addition to cancer mortality. BEIR VII offers a full review of the available biological, biophysical, and epidemiological literature since the last BEIR report on the subject and develops the most up-to-date and comprehensive risk estimates for cancer and other health effects from exposure to low-level ionizing radiation.
Book Synopsis Prudent Practices in the Laboratory by : National Research Council
Download or read book Prudent Practices in the Laboratory written by National Research Council and published by National Academies Press. This book was released on 2011-03-25 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prudent Practices in the Laboratory-the book that has served for decades as the standard for chemical laboratory safety practice-now features updates and new topics. This revised edition has an expanded chapter on chemical management and delves into new areas, such as nanotechnology, laboratory security, and emergency planning. Developed by experts from academia and industry, with specialties in such areas as chemical sciences, pollution prevention, and laboratory safety, Prudent Practices in the Laboratory provides guidance on planning procedures for the handling, storage, and disposal of chemicals. The book offers prudent practices designed to promote safety and includes practical information on assessing hazards, managing chemicals, disposing of wastes, and more. Prudent Practices in the Laboratory will continue to serve as the leading source of chemical safety guidelines for people working with laboratory chemicals: research chemists, technicians, safety officers, educators, and students.
Book Synopsis The Repair of Vehicle Bodies by : Andrew Livesey
Download or read book The Repair of Vehicle Bodies written by Andrew Livesey and published by Routledge. This book was released on 2018-10-03 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: The revised and updated seventh edition of this best-selling reference manual on vehicle body repair brings the book up to date for the current body repair trade. It serves as a comprehensive guide covering the vocationally related qualification (VRQ) required by the modern student and apprentice, as well as providing the CPD essential for all working professionals. The entire book is overhauled to reflect current industry trends with regards to materials, processes and procedures. New additions include: An entirely new section on the work of the MET technician (mechanical, electrical and trim) New developments in body repair methodology such as repair pods and the greater use of alignment equipment Greater emphasis on the environment with new sections on hybrid vehicles and the hazards of starting current vehicles with high levels of technology Details on both the historic and the current joining methods for the vintage and modern markets Full coverage on the legalities surrounding insurance work for bodyshop staff Updated tables and illustrations This book not only provides the knowledge and skills for body repair, it helps to develop a real understanding of the how and why behind this information. It will be essential for anyone studying Levels 1-3 Vehicle Body Repair, Vehicle Refinishing and MET courses, including the new apprenticeships and technical certificates from the IMI, Pearson-BTEC and C&G. HNC and degree Automotive Engineering students will find the text valuable to develop skills and knowledge for practical project work. Industry professionals, vehicle restorers and car DIY enthusiasts will continue to find it an essential and comprehensive source of information.
Book Synopsis Strengthening Forensic Science in the United States by : National Research Council
Download or read book Strengthening Forensic Science in the United States written by National Research Council and published by National Academies Press. This book was released on 2009-07-29 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scores of talented and dedicated people serve the forensic science community, performing vitally important work. However, they are often constrained by lack of adequate resources, sound policies, and national support. It is clear that change and advancements, both systematic and scientific, are needed in a number of forensic science disciplines to ensure the reliability of work, establish enforceable standards, and promote best practices with consistent application. Strengthening Forensic Science in the United States: A Path Forward provides a detailed plan for addressing these needs and suggests the creation of a new government entity, the National Institute of Forensic Science, to establish and enforce standards within the forensic science community. The benefits of improving and regulating the forensic science disciplines are clear: assisting law enforcement officials, enhancing homeland security, and reducing the risk of wrongful conviction and exoneration. Strengthening Forensic Science in the United States gives a full account of what is needed to advance the forensic science disciplines, including upgrading of systems and organizational structures, better training, widespread adoption of uniform and enforceable best practices, and mandatory certification and accreditation programs. While this book provides an essential call-to-action for congress and policy makers, it also serves as a vital tool for law enforcement agencies, criminal prosecutors and attorneys, and forensic science educators.
Book Synopsis Explosive Effects and Applications by : Jonas A. Zukas
Download or read book Explosive Effects and Applications written by Jonas A. Zukas and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a broad-based text on the fundamentals of explosive behavior and the application of explosives in civil engineering, industrial processes, aerospace applications, and military uses.
Book Synopsis Grainger & Allison's Diagnostic Radiology: Chest and Cardiovascular System by : Cornelia Schaefer-Prokop
Download or read book Grainger & Allison's Diagnostic Radiology: Chest and Cardiovascular System written by Cornelia Schaefer-Prokop and published by Elsevier Health Sciences. This book was released on 2015-11-24 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 17 chapters in this book have been selected from the contents of the Chest and Cardiovascular System section in Grainger & Allison's Diagnostic Radiology 6e. These chapters provide a succinct up-to-date overview of current imaging techniques and their clinical applications in daily practice and it is hoped that with this concise format the user will quickly grasp the fundamentals they need to know. Throughout these chapters, the relative merits of different imaging investigations are described, variations are discussed and recent imaging advances are detailed.
Book Synopsis Grainger & Allison's Diagnostic Radiology, 2 Volume Set E-Book by : Andy Adam
Download or read book Grainger & Allison's Diagnostic Radiology, 2 Volume Set E-Book written by Andy Adam and published by Elsevier Health Sciences. This book was released on 2020-05-25 with total page 2398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master the information you need to know for practice and prepare for certification or recertification with a succinct, comprehensive account of the entire spectrum of imaging modalities and their clinical applications. Throughout six outstanding editions, Grainger and Allison's Diagnostic Radiology has stood alone as the single comprehensive reference on general diagnostic radiology. Now in two succinct volumes, the 7th Edition of this landmark text continues to provide complete coverage of all currently available imaging techniques and their clinical applications – the essential information you need to succeed in examinations and understand current best practices in radiological diagnosis - Organizes content along an organ and systems basis, covering all diagnostic imaging techniques in an integrated, correlative fashion, with a focus on the topics that matter most to a trainee radiologist in the initial years of training. - Contains more than 4,000 high-quality illustrations that enhance and clarify the text. - Features an expanded section on cardiac imaging to reflect major developments in cardiac MRI, including 3D ultrasound, PET, and SPECT. - Integrates functional and molecular imaging throughout each section, and includes the latest image-guided biopsy and ablation techniques. - Provides an ideal resource for written, oral, and re-certifying board study as well as for a clinical practice refresher on topics that may have been forgotten.
