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Author: Charles S. Coffey
Publisher:
ISBN:
Category : Explosives
Languages : en
Pages : 0
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Book Description
"The drop weight impact test is the simplest and easiest test that can be performed on small quantities of explosives or propelants, and yet it has only a minimal role in assessing explosive sentitivity or performance. This report examines the drop weight impact test as it is currently used, describes its major flaw, and suggests an alternative test that holds the promise of providing the impact energy required to ignite an energetic material. Other impact tests are described. One of these, the Ballistic Impact Chamber Test, measures the rate of reaction and extent of reaction during impact. This test demonstrates that during impact there are two forms of initiation reactions that occur; one that is very fast and is likely due to direct impact-shear initiation of the crystalline solids in the sample and, the other, a much slower component, is thought to arise due to burning of the sample."--Report documentation page
Author: Charles S. Coffey
Publisher:
ISBN:
Category : Explosives
Languages : en
Pages : 0
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Book Description
"The drop weight impact test is the simplest and easiest test that can be performed on small quantities of explosives or propelants, and yet it has only a minimal role in assessing explosive sentitivity or performance. This report examines the drop weight impact test as it is currently used, describes its major flaw, and suggests an alternative test that holds the promise of providing the impact energy required to ignite an energetic material. Other impact tests are described. One of these, the Ballistic Impact Chamber Test, measures the rate of reaction and extent of reaction during impact. This test demonstrates that during impact there are two forms of initiation reactions that occur; one that is very fast and is likely due to direct impact-shear initiation of the crystalline solids in the sample and, the other, a much slower component, is thought to arise due to burning of the sample."--Report documentation page
Author: Charles S. Coffey
Publisher:
ISBN:
Category : Explosives
Languages : en
Pages :
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Book Description
"The drop weight impact test is the simplest and easiest test that can be performed on small quantities of explosives or propelants, and yet it has only a minimal role in assessing explosive sentitivity or performance. This report examines the drop weight impact test as it is currently used, describes its major flaw, and suggests an alternative test that holds the promise of providing the impact energy required to ignite an energetic material. Other impact tests are described. One of these, the Ballistic Impact Chamber Test, measures the rate of reaction and extent of reaction during impact. This test demonstrates that during impact there are two forms of initiation reactions that occur; one that is very fast and is likely due to direct impact-shear initiation of the crystalline solids in the sample and, the other, a much slower component, is thought to arise due to burning of the sample."--Report documentation page.
Author: Frank Philip Bowden
Publisher: CUP Archive
ISBN: 9780521312332
Category : Science
Languages : en
Pages : 132
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Book Description
This book describes the research of Bowden, Yoffe and their collaborators on explosive initiation. What Bowden and Yoffe showed was that explosives are ignited almost invariably by thermal processes and though other processes have been identified their work still holds.
Author: Charles L. Mader
Publisher: CRC Press
ISBN: 142005239X
Category : Technology & Engineering
Languages : en
Pages : 539
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Book Description
Major advances, both in modeling methods and in the computing power required to make those methods viable, have led to major breakthroughs in our ability to model the performance and vulnerability of explosives and propellants. In addition, the development of proton radiography during the last decade has provided researchers with a major new experimental tool for studying explosive and shock wave physics. Problems that were once considered intractable – such as the generation of water cavities, jets, and stems by explosives and projectiles – have now been solved. Numerical Modeling of Explosives and Propellants, Third Edition provides a complete overview of this rapidly emerging field, covering basic reactive fluid dynamics as well as the latest and most complex methods and findings. It also describes and evaluates Russian contributions to the experimental explosive physics database, which only recently have become available. This book comes with downloadable resources that contain— · FORTRAN and executable computer codes that operate under Microsoft® Windows Vista operating system and the OS X operating system for Apple computers · Windows Vista and MAC compatible movies and PowerPoint presentations for each chapter · Explosive and shock wave databases generated at the Los Alamos National Laboratory and the Russian Federal Nuclear Centers Charles Mader’s three-pronged approach – through text, computer programs, and animations – imparts a thorough understanding of new computational methods and experimental measuring techniques, while also providing the tools to put these methods to effective use.
Author: Charles L. Mader
Publisher: CRC Press
ISBN: 9780849331497
Category : Technology & Engineering
Languages : en
Pages : 456
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Book Description
Charles Mader, a leading scientist who conducted theoretical research at Los Alamos National Laboratory for more than 30 years, sets a new standard with this reference on numerical modeling of explosives and propellants. This book updates and expands the information presented in the author's landmark work, Numerical Modeling of Detonations, published in 1979 and still in use today. Numerical Modeling of Explosives and Propellants incorporates the considerable changes the personal computer has brought to numerical modeling since the first book was published, and includes new three-dimensional modeling techniques and new information on propellant performance and vulnerability. Both an introduction to the physics and chemistry of explosives and propellants and a guide to numerical modeling of detonation and reactive fluid dynamics, Numerical Modeling of Explosives and Propellants offers scientists and engineers a complete picture of the current state of explosive and propellant technology and numerical modeling. The book is richly illustrated with figures that support the concepts, and filled with tables for quick access to precise data. The accompanying CD-ROM contains computer codes that are the national standard by which modeling is evaluated. Dynamic material properties data files and animation files are also included. There is no other book available today that offers this vital information.
Author: Ernst-Christian Koch
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110660598
Category : Technology & Engineering
Languages : en
Pages : 1046
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Book Description
This dictionary contains 739 entries with about 1400 references to the primary literature. Details on the composition, performance, sensitivity and other pertinent properties of Energetic Materials such as High Explosives, Propellants, Pyrotechnics, as well as important ingredients such as Oxidizers, Fuels, Binders, and Modifiers are given and presented partly in over 180 tables with more than 240 structural formulas . In detail the dictionary gives elaborate descriptions of 460 Chemical Substances 170 Pyrotechnic Compositions 360 High Explosive and Propellant Formulations In addition, the basic physical and thermochemical properties of 435 pure substances (elements & compounds) typically occuring as ingredients or reaction products are given too. 150 Figures, schemes and diagrams explain Applications, Test methods, Scientific facilities, and finally Individuals closely tied with the development and investigation of Energetic Materials. The book is intended for readers with a technical or scientific background, active in governmental agencies, research institutes, trade and industry, concerned with the procurement, development, manufacture, investigation and use of Energetic Materials, such as High Explosives, Propellants, Pyrotechnics, Fireworks and Ammunition. The book serves both as a daily reference for the experienced as well as an introduction for the newcomer to the field.
Author: S. Fordham
Publisher: Elsevier
ISBN: 1483139735
Category : Technology & Engineering
Languages : en
Pages : 218
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Book Description
High Explosives and Propellants, Second Edition is a four-part book classified into High Explosives, Blasting Accessories, Application of High Explosives, and Deflagrating and Propellent Explosives. Part I, High Explosives, centers on the general principles, manufacture, design, and assessment of this type of explosive. Part II, Blasting Accessories, describes initiation of explosives and different types of detonators. Part III, Application of High Explosives, deals with the commercial and military applications of high explosives. The last part, Deflagrating and Propellent Explosives, discusses the manufacture, properties, design, and application of propellants.
Author: United Nations
Publisher:
ISBN: 9789211303940
Category : Political Science
Languages : en
Pages : 0
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Book Description
The Manual of Tests and Criteria contains criteria, test methods and procedures to be used for classification of dangerous goods according to the provisions of Parts 2 and 3 of the United Nations Recommendations on the Transport of Dangerous Goods, Model Regulations, as well as of chemicals presenting physical hazards according to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). As a consequence, it supplements also national or international regulations which are derived from the United Nations Recommendations on the Transport of Dangerous Goods or the GHS. At its ninth session (7 December 2018), the Committee adopted a set of amendments to the sixth revised edition of the Manual as amended by Amendment 1. This seventh revised edition takes account of these amendments. In addition, noting that the work to facilitate the use of the Manual in the context of the GHS had been completed, the Committee considered that the reference to the "Recommendations on the Transport of Dangerous Goods" in the title of the Manual was no longer appropriate, and decided that from now on, the Manual should be entitled "Manual of Tests and Criteria".
Author: R. Holmberg
Publisher: CRC Press
ISBN: 9789058091680
Category : Technology & Engineering
Languages : en
Pages : 478
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Book Description
This work covers such topics as: EU directives and harmonization work; health, safety and environment; recent technical development - products and processes; shot hole development; and management of blasting operations.
Author: Muhamed Suceska
Publisher: Springer Science & Business Media
ISBN: 1461207975
Category : Technology & Engineering
Languages : en
Pages : 235
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Book Description
It seems that there is no book that treats the measurement of the physical pa rameters of explosives as its only subject, although limited information is avail able in a number of books. Therefore, I have tried to bridge this gap in the lit erature with this book. A large number of various physical parameters have to be determined ex perimentally in order to test or characterise an explosive. Various physical principles have been applied for such measurements. Accordingly, a large number of different experimental methods exist, as well as various testing appa ratuses and procedures. On the other hand, great progress has been made recently in the study of detonation phenomena. New measuring techniques can assess extremely short processes to below nanoseconds scale. They make it possible to determine im portant parameters in detonation physics. I have made a great attempt to cover the available literature data on the subject. Because it would be a highly demanding task to include in a single volume all the methods that are in use by various testing agencies, I have tried to give primarily the principles for determination of individual physical pa rameters of explosives by different measuring methods as well as data treatment procedures.
