A Model Designed To Predict The Motion Of Objects Translated By Classical Blast Waves
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A Model Designed To Predict The Motion Of Objects Translated By Classical Blast Waves
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Author :
language : en
Publisher:
Release Date : 1961
A Model Designed To Predict The Motion Of Objects Translated By Classical Blast Waves written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Aerodynamic load categories.
A theoretical model was developed for the purpose of predicting the motion of objects translated by winds associated with 'classical' blast waves produced by explosions. Among the factors omitted from the model for the sake of simplicity were gravity and the friction that may occur between the displaced object and the surface upon which it initially rested. Numerical solutions were obtained (up to the time when maximum missile velocity occurs) in terms of dimensionless quantities to facilitate application to specific blast situations. The results were computed within arbitrarily chosen limits for blast waves with shock strengths from 0.068 to 1.7 atm (1 to 25 psi at sea level) for displaced objects with aerodynamic characteristics ranging from those of a human being to those of 10-mg stones and for weapon yields at least as small as 1 kt or as large as 20 Mt.
A Model Designed To Predict The Motion Of Objects Translated By Classical Blast Waves
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Author :
language : en
Publisher:
Release Date : 1961
A Model Designed To Predict The Motion Of Objects Translated By Classical Blast Waves written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with categories.
A theoretical model was developed for the purpose of predicting the motion of objects translated by winds associated with 'classical' blast waves produced by explosions. Among the factors omitted from the model for the sake of simplicity were gravity and the friction that may occur between the displaced object and the surface upon which it initially rested. Numerical solutions were obtained (up to the time when maximum missile velocity occurs) in terms of dimensionless quantities to facilitate application to specific blast situations. The results were computed within arbitrarily chosen limits for blast waves with shock strengths from 0.068 to 1.7 atm (1 to 25 psi at sea level) for displaced objects with aerodynamic characteristics ranging from those of a human being to those of 10-mg stones and for weapon yields at least as small as 1 kt or as large as 20 Mt.
The Effects Of Nuclear Weapons
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Author : Samuel Glasstone
language : en
Publisher:
Release Date : 1962
The Effects Of Nuclear Weapons written by Samuel Glasstone and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Atomic bomb categories.
The Effects Of Nuclear Weapons
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Author : United States. Defense Atomic Support Agency
language : en
Publisher:
Release Date : 1962
The Effects Of Nuclear Weapons written by United States. Defense Atomic Support Agency and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Atomic bomb categories.
The Effects Of Nuclear Weapons
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Author : United States. Department of Defense
language : en
Publisher:
Release Date : 1964
The Effects Of Nuclear Weapons written by United States. Department of Defense and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Atomic bomb categories.
Nuclear Science Abstracts
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Author :
language : en
Publisher:
Release Date : 1976
Nuclear Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Nuclear energy categories.
Determinations Of Aerodynamic Drag Parameters Of Small Irregular Objects By Means Of Drop Tests
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Author :
language : en
Publisher:
Release Date : 1961
Determinations Of Aerodynamic Drag Parameters Of Small Irregular Objects By Means Of Drop Tests written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Drag (Aerodynamics) categories.
During the 1955 and 1957 Test Operations at the Nevada Test Site (NTS), masses and velocities were determined for more than 20,000 objects, such as glass fragments from windows, stones, steel fragments, and spheres, which were energized by blast winds resulting from nuclear explosions. Following the field tests, a mathematical model was devised to help explain quantitatively the experimental results. This model required certain aerodynamic-drag information in regard to the displaced objects. It was the purpose of the study outlined in this report to determine the necessary drag properties for the objects by means of drop tests. In addition to the objects mentioned above, small laboratory animals, mice, rats, guinea pigs, and rabbits, were used in the drop tests. The data obtained from these tests were ex-trapolated to estimate the drag properties for man, and the results compared favorably with data from other sources. Also a method was developed to estimate the average drag properties of man from his total surface area, assuming that every possible orientation of a straight, rigid man with respect to the wind was equally likely.
Blast Induced Translational Effects
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Author : E. Royce Fletcher
language : en
Publisher:
Release Date : 1966
Blast Induced Translational Effects written by E. Royce Fletcher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Blast effect categories.
A mathematical model was developed to predict the time displacement histories of objects translated by the blast winds from conventional or nuclear explosions; these predictions were then compared to actual experiments. The objects studied varied in size from 139 mg spheres to man and were all assumed to be free to move over a smooth horizontal surface. The effects of ground friction could either be included or neglected, but when they were considered the ground friction eventually brought the objects to rest after the winds had passed. The values of ground friction used were determined experimentally and were found to be functions of the velocity and mass of the object being displaced. The translational model was general enough for either classical or nonclassical blast waves to be considered. Results for a chemical explosion were obtained by using both the computed blast waves of various authors and the experimentally determined blast waves. These predicted results were compared with each other as well as with experimental data obtained with steel spheres. The model was used to determine dynamic pressure impulses necessary to explain the measured sphere velocities at three ranges from ground zero. Another mathematical model was briefly described which was developed to compute the detailed two-dimentional trajectories of objects as they roll, slide, and bounce along the ground. The model closely predicted the measured distances between bounces and the total displacements of concrete blocks and large stones and thus helped to explain the mechanisms of tumbling by which an irregular object may become airborne during both the accelerative and the decelerative phases of displacement.
Lees Loss Prevention In The Process Industries
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Author : Frank Lees
language : en
Publisher: Elsevier
Release Date : 2005-01-25
Lees Loss Prevention In The Process Industries written by Frank Lees and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-01-25 with Technology & Engineering categories.
Over the last three decades the process industries have grown very rapidly, with corresponding increases in the quantities of hazardous materials in process, storage or transport. Plants have become larger and are often situated in or close to densely populated areas. Increased hazard of loss of life or property is continually highlighted with incidents such as Flixborough, Bhopal, Chernobyl, Three Mile Island, the Phillips 66 incident, and Piper Alpha to name but a few. The field of Loss Prevention is, and continues to, be of supreme importance to countless companies, municipalities and governments around the world, because of the trend for processing plants to become larger and often be situated in or close to densely populated areas, thus increasing the hazard of loss of life or property. This book is a detailed guidebook to defending against these, and many other, hazards. It could without exaggeration be referred to as the "bible" for the process industries. This is THE standard reference work for chemical and process engineering safety professionals. For years, it has been the most complete collection of information on the theory, practice, design elements, equipment, regulations and laws covering the field of process safety. An entire library of alternative books (and cross-referencing systems) would be needed to replace or improve upon it, but everything of importance to safety professionals, engineers and managers can be found in this all-encompassing reference instead. Frank Lees' world renowned work has been fully revised and expanded by a team of leading chemical and process engineers working under the guidance of one of the world’s chief experts in this field. Sam Mannan is professor of chemical engineering at Texas A&M University, and heads the Mary Kay O’Connor Process Safety Center at Texas A&M. He received his MS and Ph.D. in chemical engineering from the University of Oklahoma, and joined the chemical engineering department at Texas A&M University as a professor in 1997. He has over 20 years of experience as an engineer, working both in industry and academia. New detail is added to chapters on fire safety, engineering, explosion hazards, analysis and suppression, and new appendices feature more recent disasters. The many thousands of references have been updated along with standards and codes of practice issued by authorities in the US, UK/Europe and internationally. In addition to all this, more regulatory relevance and case studies have been included in this edition. Written in a clear and concise style, Loss Prevention in the Process Industries covers traditional areas of personal safety as well as the more technological aspects and thus provides balanced and in-depth coverage of the whole field of safety and loss prevention. * A must-have standard reference for chemical and process engineering safety professionals * The most complete collection of information on the theory, practice, design elements, equipment and laws that pertain to process safety * Only single work to provide everything; principles, practice, codes, standards, data and references needed by those practicing in the field
Biological Tolerance To Air Blast And Related Biomedical Criteria
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Author : Clayton S. White
language : en
Publisher:
Release Date : 1965
Biological Tolerance To Air Blast And Related Biomedical Criteria written by Clayton S. White and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Fallout shelters categories.
Experience with animals exposed in a variety of above and below ground structures during full-scale field operations at the Nevada Test Site in 1953, 1955 and 1957 were reviewed. The data were assembled and summarized to illustrate the nature of the blast-induced problems of significance in protective shelters, "open" as well as "closed". Potential hazards were related to the following: various patterns of variation in environmental pressure; translational events associated with transient, high-velocity winds, ground shock and gravity involving the impact of energized inanimate objects on the one hand the the consequences of whole-body displacement on the other; non-line-of-site thermal phenomena including hot objects and rapidly moving hot, dust- laden air and debris; and dust, in the respirable size range, sufficiently high in concentration even in "closed" shelters as to warrant design measures to minimize or eliminate the occurrence of small particulates whether arising from wall spalling or otherwise. Tentative biological criteria, conceived to help assess human hazards from blast-related phenomena, were presented. Relevant data from the literature and on- going research in environmental medicine were set forth to aid the reader in appreciating how the criteria were formulated, what information was extrapolated from animal data, and wherein "best estimates" were employed. "State-of-the-art" concepts were noted to emphasize areas in which more thinking and research must continue if more refined, complete and adequate criteria are to be forthcoming for assessing man's response to blast-induced variation in his immediate environment.