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Using criteria developed in experimental studies, the results of the overall analysis were made applicable to free-stream situations in which the long axis of the body is perpendicular or parallel to the direction of propagation of a shocked blast wave.
The blast effects in rectangular two-man foxholes were evaluated using sheep. There were two open foxholes at ground ranges of 560, 650, 830, 940, and 1,300 feet from a 500-ton TNT charge. Because of an anomalous detonation, pressures measured adjacent to the foxhole layout were significantly below those predicted. Moreover, luminous jets emanating from the fireball produced shock waves that preceded the main shock. This gave rise to a blast wave with double shocks known generally to be less damaging to biological systems. All the sheep survived the blast. At the 560- and 650-foot ranges (37 and 21 p.s.i.) some of the sheep sustained slight amounts of pulmonary hemorrhage. In addition, they exhibited a high incidence of eardrum rupture of a severe form. (Author).
Evaluation of the Effects and Consequences of Major Accidents in Industrial Plants analyzes the different major accidents which can occur in process plants and during the transportation of hazardous materials. The main features of fires, explosions and toxic releases are discussed, and a set of mathematical models allowing the prediction of their effects and consequences are explained. With a practical approach, the models are applied to simple illustrative examples, as well as to more complex real cases. The use of these calculations in the frame of Quantitative Risk Analysis is also treated. Evaluation of the effects of major accidents in industrial installations covers the following topics: general introduction, source term, fire accidents, vapour cloud explosions, BLEVEs and vessel explosions, atmospheric dispersion of toxic or flammable clouds, vulnerability, and quantitative risk analysis. This book is a useful tool for engineering professionals, as well as an interesting reference for teaching at graduate and post-graduate levels. - Both the essential aspects and the calculations related to the diverse accidents are discussed - The prediction of effects and consequences is performed with a practical approach - Recent contributions from literature have been included - Subjects of increasing importance have been included: an extense analysis of BLEVEs, for example, or the atmospheric dispersion of pathogenic agents
The serious consequences of vapor cloud explosions, flash fires, and BLEVEs are very well known. Better understanding of the characteristics of these phenomena and models to calculate their consequences are key to effective prevention and mitigation. Cited by EPA in its 1996 document, "Off-site Consequence Analysis Guidance, " the first half of the book describes the characteristics of these phenomena and gives an overview of past experimental and theoretical research and methods to estimate consequences. The second part focuses on methods for consequence estimating by presenting sample problems. The entire book is heavily illustrated with photos, charts, tables, and diagrams, and each chapter has a full set of references for additional reading.
Explosion Hazards and Evaluation presents the principles and applications of explosion hazards evaluation. The text is organized into nine chapters. Chapters 1 and 2 discuss the energy release processes which generate accidental explosions, and the resulting development of pressure and shock waves in a surrounding atmosphere. The manner in which the "free-field" waves are modified in interacting with structures or other objects in their paths is discussed in Chapter 3. Structural response to blast loading and non-penetrating impact is covered in two chapters, with Chapter 4 including simplified analysis methods and Chapter 5 including numerical methods. Chapter 6 includes a rather comprehensive treatment of generation of fragments and missiles in explosions, and the flight and effects of impact of these objects. Chapter 7 considers thermal radiation of large chemical explosions. Explosions may or may not cause damage or casualty, and various damage criteria have been developed for structures, vehicles, and people. These criteria are presented in Chapter 8. General procedures for both the postmortem evaluation of accidental explosions and for design for blast and impact resistance are reviewed in Chapter 9. Engineers, scientists, and plant safety personnel will find the book very useful.
This guide provides an overview of methods for estimating the characteristics of vapor cloud explosions, flash fires, and boiling-liquid-expanding-vapor explosions (BLEVEs) for practicing engineers. It has been updated to include advanced modeling technology, especially with respect to vapor cloud modeling and the use of computational fluid dynamics. The text also reviews past experimental and theoretical research and methods to estimate consequences. Heavily illustrated with photos, charts, tables, and diagrams, this manual is an essential tool for safety, insurance, regulatory, and engineering students and professionals.
Explosion and Blast-Related Injuries is an authoritative text that brings together diverse knowledge gained from both the experience of clinicians treating blast casualties and the insights of scientists obtained from research and modeling of blast exposures. By providing information on explosion and blast injury patterns, as well as the mechanism of blast-induced injuries, it is a useful reference for both physicians and researchers. With contributions by experts from around the globe, the book covers topics such as the epidemiology of blast and explosion injury, pathology and pathophysiology, and the modeling and mechanism of injury. Finally, this book might stimulate additional studies into ways to improve our current mass casualty response systems.* Contains contributions from experts who had first hand experience dealing with explosion and blast injuries. * Provides a diverse global experience derived from both military operations and terrorist attacks in civilian settings from the US, Europe and the Middle East. * Covers such topics as epidemiology of blast and explosion injury, pathology and pathophysiology, modeling and mechanism of injury, and finally presents the global experiences of blast injury and mass casualty management.