Operation Hardtack Phase Ii
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Operation Hardtack Phase Ii
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Author : L. M. Swift
language : en
Publisher:
Release Date : 1961
Operation Hardtack Phase Ii written by L. M. Swift and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with 650 0Operation Hardtack, 1958 categories.
Test Results From Automatic Yield Indicators
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Author : Maynard Cowan
language : en
Publisher:
Release Date : 1961
Test Results From Automatic Yield Indicators written by Maynard Cowan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Measuring instruments categories.
Automatic yield indicators which operate on the negativephase duration principle have been developed. Yield estimates were obtained during Hardtack Phase I for five detonations at distances ranging from 11 to 25 miles. The greatest error in yield was obtained at 22.5 miles where the ratio of indicated yield to actual yield was about 2.5. For a lapse condition, it is estimated that automatic yield indicators will nearly always indicate within a factor of 2 or 3 of the actual yield within the range to 0.1 psi peak overpressure (about 30 miles for 1 mt). Under strong low-level temperature inversions (rapid increase in temperature with increase in height above the surface) at Nevada Test Site, automatic yield indicators functioned properly on 11 shots on Operation Hardtack, Phase II. Yields ranged from 0.62 ton to 6.5 kt and distances ranged from 2 to 13 miles. On eight of these events, indicated yields were within a factor of 2 of actual yields. Greater errors on the three other events were caused by interference effects resulting from the inversion conditions. This and other blast-wave measurements indicate that factor-of-2 yield estimates can be obtained by the AYI about 70 percent of the time under strong inversion conditions within the range of 0.1 psi.
Postshot Disturbances And Surface Motions
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Author : L. M. Swift
language : en
Publisher:
Release Date : 1960
Postshot Disturbances And Surface Motions written by L. M. Swift and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Earth movements categories.
Postshot earth disturbances and surface displacements were measured as functions of time after two deep underground nuclear detonations using the magnetically recorded output of geophones and the sight readings of simple liquid-level gages as evaluation of the applicability of these measurement methods in detailed location of deep underground bursts subsequent to their general location by other means. The low yield of one shot and the unexpectedly high noise interference precluded establishing the limits of the geophone listening technique. However, the records obtained from the geophones and the liquid-level gages indicate that these techniques are feasible for second stage detection of underground bursts. Further tests of the techniques are recommended after modifications are made to instrumentation to reduce the noise interference in the geophones and to reduce the error in the liquid-level gages.
Operation Hardtack
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Author : O. R. Placak
language : en
Publisher:
Release Date : 1959
Operation Hardtack written by O. R. Placak and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Nuclear weapons categories.
Elements Of Controversy
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Author : Barton C. Hacker
language : en
Publisher: Univ of California Press
Release Date : 1994-01-01
Elements Of Controversy written by Barton C. Hacker and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-01-01 with Science categories.
Unforgettable congressional hearings in 1978 revealed that fallout from American nuclear weapons testing in the 1950s had overexposed hundreds of soldiers and other citizens to radiation. Faith in governmental integrity was shaken, and many people have assumed that such overexposure caused great damage. Yet important questions remain--the most controversial being: did the radiation overexposure in fact cause the cancers and birth defects for which it has been blamed? Elements of Controversy is the result of a decade of exhaustive research in AEC documentary records and the full clinical and epidemiological literature on radiation effects. More concerned with uncovering the historical story than with assigning blame, Barton Hacker concludes that every precaution was taken by the AEC to avoid harming test participants or bystanders. And, he points out, the biomedical literature suggests that these precautions worked. Yet top officials in Washington--for whom the success of nuclear weapons was of overriding importance--had asserted that testing involved no risks at all. Discrepancies between unverifiable government claims and the revelations that some actual risk was present explain the origins and angry persistence of the controversies, Hacker argues. The Department of Energy delayed publication of Hacker's study for five years, and while his controversial book is sure to draw objections from both sides of the radiation-hazard debates, it will provide a much-needed guide to understanding their polemics. Unforgettable congressional hearings in 1978 revealed that fallout from American nuclear weapons testing in the 1950s had overexposed hundreds of soldiers and other citizens to radiation. Faith in governmental integrity was shaken, and many people have assumed that such overexposure caused great damage. Yet important questions remain--the most controversial being: did the radiation overexposure in fact cause the cancers and birth defects for which it has been blamed? Elements of Controversy is the result of a decade of exhaustive research in AEC documentary records and the full clinical and epidemiological literature on radiation effects. More concerned with uncovering the historical story than with assigning blame, Barton Hacker concludes that every precaution was taken by the AEC to avoid harming test participants or bystanders. And, he points out, the biomedical literature suggests that these precautions worked. Yet top officials in Washington--for whom the success of nuclear weapons was of overriding importance--had asserted that testing involved no risks at all. Discrepancies between unverifiable government claims and the revelations that some actual risk was present explain the origins and angry persistence of the controversies, Hacker argues. The Department of Energy delayed publication of Hacker's study for five years, and while his controversial book is sure to draw objections from both sides of the radiation-hazard debates, it will provide a much-needed guide to understanding their polemics.
Operation Plan And Hazards Report Operation Bren
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Author : F. W. Sanders
language : en
Publisher:
Release Date : 1962
Operation Plan And Hazards Report Operation Bren written by F. W. Sanders 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.
Other selected programs that can utilize the radiation fields available on a non interference basis are included as parts of the Operation. Descriptions of the HPRR and the Co60 source, their operating procedures, the manner in which they will be used, and possible hazards are included.
Physical Damage Survey Of Aec Test Structures
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Author : R. A. Cameron
language : en
Publisher:
Release Date : 1961
Physical Damage Survey Of Aec Test Structures written by R. A. Cameron and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Blast effect categories.
Comparison of predicted damage with actual damage indicated that the extent of damage to be expected could be predicted with fair accuracy by either method.
Operation Hardtack Ii 1958
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Author :
language : en
Publisher:
Release Date : 1982
Operation Hardtack Ii 1958 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Atomic bomb categories.
This report describes the activities of an estimated 1,000 DoD personnel, both military and civilian, in Operation HARDTACK II, a nuclear testing series conducted in Nevada from 12 September to 30 October 1958. The series consisted of 37 events: 19 weapons tests and 18 safety experiments. DoD activities included scientific test participation, staff support, and air support. Radiological safety procedures were established and implemented to minimize individual radiation exposures.
Annual Statistical Report
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Author : United States. Office of Civil and Defense Mobilization
language : en
Publisher:
Release Date : 1958
Annual Statistical Report written by United States. Office of Civil and Defense Mobilization and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Civil defense categories.
Status
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Author : Lawrence Radiation Laboratory
language : en
Publisher:
Release Date : 1959
Status written by Lawrence Radiation Laboratory and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Nuclear physics categories.