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Author : Anonim
Publisher : Unknown
Page : 550 pages
File Size : 44,7 Mb
Release : 1972
Category : Space vehicles
ISBN : CORNELL:31924004455147
Author : Anonim
Publisher : Unknown
Page : 544 pages
File Size : 49,8 Mb
Release : 1972
Category : Space vehicles
ISBN : UOM:39015000487366
The report contains papers presented at the Sixth AFOSR Symposium on Advanced Propulsion Concepts, held at the Bell Aerospace Company, Niagara Falls, New York, 4-6 May 1971. Papers are directed toward providing an assessment of current research involving advanced propulsion concepts, and to systems forecasting from the viewpoint of science and engineering middle-management in aerospace industry, Federal agencies and Department of Defense laboratories. Symposium sections emphasized turbine and ramjet propulsion; air augmented rockets; chemical rockets and hybrids, solid and liquid; space power; nuclear propulsion; and electric propulsion. Volume 2 is classified. (Author).
Author : Anonim
Publisher : Unknown
Page : 236 pages
File Size : 46,9 Mb
Release : 1960
Category : Rocketry
ISBN : STANFORD:36105000602990
Author : Anonim
Publisher : Unknown
Page : 614 pages
File Size : 41,6 Mb
Release : 1970
Category : Space vehicles
ISBN : MINN:31951D036984354
Author : Anonim
Publisher : Unknown
Page : 456 pages
File Size : 48,9 Mb
Release : 1959
Category : Rocketry
ISBN : WISC:89038840971
Author : Barton C. Hacker
Publisher : Univ of California Press
Page : 644 pages
File Size : 44,6 Mb
Release : 1994-01-01
Category : Science
ISBN : 0520083237
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.
Author : Anonim
Publisher : Unknown
Page : 300 pages
File Size : 42,5 Mb
Release : 1995
Category : Aeronautics
ISBN : MINN:30000011064585
Author : David Langmuir
Publisher : Elsevier
Page : 592 pages
File Size : 47,6 Mb
Release : 2013-05-09
Category : Technology & Engineering
ISBN : 9780323144971
Electrostatic Propulsion focuses on issues, trends, and developments in electrostatic propulsion. The compilation is composed of technical papers primarily based on the symposium of the American Rocket Society held at the U. S. Naval Postgraduate School in Monterey, California on November 3–4, 1960. The book presents an investigation of the performance of ion rockets employing electron-bombardment ion sources. It also underscores the value of duoplasmatron in ion propulsion. The compilation then looks at the development of a negative ion source. Calibration of mass spectrometer, description of ion source, and the theory of surface ionization are described. The book also discusses experiments on oscillating-electron plasma source; the theory of ion emission from porous media; and the effects of surface structure and adsorption on the ionization efficiency of a surface ionization source. The text also considers a number of experiments, including the space-charge theory for ion beams, circular beam neutralization, and transient and steady state behavior in cesium ion beams. The book is a good source of information for readers wanting to study electrostatic propulsion.
Author : Anonim
Publisher : Unknown
Page : 0 pages
File Size : 51,5 Mb
Release : 1963
Category : Electronic
ISBN : OCLC:643394758
Author : George F. Nolan
Publisher : Unknown
Page : 514 pages
File Size : 54,5 Mb
Release : 1973
Category : Balloons
ISBN : UOM:39015095126424
The report contains the papers presented at the Seventh AFCRL Scientific Balloon Symposium held in September 1972. The papers were presented in three sessions: Tethered and powered balloons, balloon-borne experiments, and instrumentation and balloon technology. In the area of tethered balloons, papers were presented on cables, drag and stability characteristics, hull design and analysis, and the results of scientific experiments using tethered balloons as sensor platforms. Papers were presented on a powered spherical balloon and a survey of possible power sources for use by this system. Presentations during the balloon-borne experiments and instrumentation session included manned balloon flights, precision pointing and control platforms and instrumentation, recovery parachute performance, gondola motion analyses, a balloon radar altimeter, and an overview of French scientific ballooning activities. During the balloon technology session a review was made of the flight results and performance of balloons with volumes in excess of 20 million cubic feet, shape and stress analysis of both nonreinforced and reinforced materials, and fabric tinting to increase solar absorptivity.
Author : Anonim
Publisher : Unknown
Page : 614 pages
File Size : 40,6 Mb
Release : 1969
Category : Jet propulsion
ISBN : UOM:39015002938853
Author : Anonim
Publisher : Unknown
Page : 156 pages
File Size : 53,8 Mb
Release : 1991
Category : Disarmament
ISBN : UVA:X002075225
Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1504 pages
File Size : 46,9 Mb
Release : 1979
Category : United States
ISBN : STANFORD:36105019598296
Author : Anonim
Publisher : M.E. Sharpe
Page : 328 pages
File Size : 54,9 Mb
Release : 1966
Category : Technology & Engineering
ISBN : UOM:39015002938523
Author : Anonim
Publisher : Unknown
Page : 1080 pages
File Size : 54,9 Mb
Release : 1968
Category : Direct energy conversion
ISBN : STANFORD:36105001472435