Scaling Dimensions of Craters Produced by Buried Explosions PDF Download
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Author: Albert J. Chabai
Publisher:
ISBN:
Category : Cratering
Languages : en
Pages : 56
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Book Description
The question of the proper scaling of crater dimensions resulting from buried explosions is investigated. Dimensional analyses are performed from which four different scaling rules are derived. Data are reviewed in an attempt to distinguish which scaling rules are fundamental to cratering. Inability to perform cratering experiments with similitude apparently is one reason for lack of an unambiguous answer to the scaling question. Influences of possible sources of similarity violation are qualitatively examined, and some experiments are suggested which may provide more direct information about the correct scaling of crater dimensions.
Author: Albert J. Chabai
Publisher:
ISBN:
Category : Cratering
Languages : en
Pages : 56
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Book Description
The question of the proper scaling of crater dimensions resulting from buried explosions is investigated. Dimensional analyses are performed from which four different scaling rules are derived. Data are reviewed in an attempt to distinguish which scaling rules are fundamental to cratering. Inability to perform cratering experiments with similitude apparently is one reason for lack of an unambiguous answer to the scaling question. Influences of possible sources of similarity violation are qualitatively examined, and some experiments are suggested which may provide more direct information about the correct scaling of crater dimensions.
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1142
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Book Description
Author: Virgil A. Harris
Publisher:
ISBN:
Category : Nuclear explosions
Languages : en
Pages : 42
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Book Description
Author:
Publisher:
ISBN:
Category : Nuclear engineering
Languages : en
Pages :
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Book Description
![Proceedings of the Sixth Annual Meeting, [held At] Aerospace Medical Division, Brooks Air Force Base, Tex., February 19-21, 1968 PDF](https://books.google.com/books/content/images/frontcover/0_4fAAAAIAAJ?fife=w80-h100)
Author: Working Group on Extraterrestrial Resources
Publisher:
ISBN:
Category : Lunar geology
Languages : en
Pages : 292
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Book Description
Author:
Publisher:
ISBN:
Category : Moon
Languages : en
Pages : 284
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Book Description
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1028
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Book Description
Author: Charles W. Finkl
Publisher: Springer Science & Business Media
ISBN: 0442224990
Category : Science
Languages : en
Pages : 868
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Book Description
Field work, supplemented by laboratory studies, is a cornerstone for the geological sciences. This volume provides an introduction to general field work through selected topics that illustrate specific techniques and methodologies. One hundred and twenty-three main entries prepared by leading authorities from around the world deal with aspects of exploration surveys, geotechnical engineering, environmental management. field techniques, mapping, prospecting, and mining. Special efforts were made to include topics that consider aspects of environmental geology in particular those subjects that involve field inspections related to, for example, the placement of artificial fills, sediment control in canals and waterways, the geologic effects of cities, or the importance of expansive soils to environmental management and engineering. In addition, some widely ranging topics dealing with legal affairs, geological methodology, the scope and organization of geology, report writing, and other concepts, such as those related to plate tectonics and continental drift, provide a necessary perspective to the arena of field geology.
Author: Joseph B. Knox
Publisher:
ISBN:
Category : Underground nuclear explosions
Languages : en
Pages : 44
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Book Description
Author: Tom Gehrels
Publisher: University of Arizona Press
ISBN: 0816547416
Category : Science
Languages : en
Pages : 1317
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Book Description
In 1993, the U.S. Department of Defense declassified information dealing with frequent explosions in the upper atmosphere caused by meteoric impact. It is estimated that impacts have occurred of a magnitude equivalent to the atomic bomb detonated at Hiroshima. Not all such space voyagers meet their end in the atmosphere, however; huge craters attest to the bombardment of earth over millions of years, and a major impact may have resulted in the extinction of dinosaurs. An impact in Siberia near the beginning of this century proves that such events are not confined to geologic time. Hazards Due to Comets and Asteroids marks a significant step in the attempt to come to grips with the threats posed by such phenomena. It brings together more than one hundred scientists from around the world, who draw on observational and theoretical research to focus on the technical problems related to all aspects of dealing with these hazards: searching for and identifying hazardous comets and asteroids; describing their statistics and characteristics; intercepting and altering the orbits of dangerous objects; and applying existent technologies—rocket boosters, rendezvous and soft-landing techniques, instrumentation—to such missions. The book considers defensive options for diverting or disrupting an approaching body, including solar sails, kinetic-energy impacts, nuclear explosives, robotic mass drivers, and various propulsion systems. A cataclysmic impact posing a threat to life on Earth is a possibility that tomorrow's technology is capable of averting. This book examines in depth the reality of the threat and proposes practical measures that can be initiated now should we ever need to deal with it.
