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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 632
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 632
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Book Description
Author: NASA Historical Staff (U.S.)
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 708
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Book Description
Author: Helen T. Wells
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 246
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Book Description
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1326
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Book Description
Author: Loyd S. Swenson
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 712
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Book Description
Author: T. A. Heppenheimer
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 364
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Book Description
Hypersonics is the study of flight at speeds where aerodynamic heating dominates the physics of the problem. Typically this is Mach 5 and higher. Hypersonics is an engineering science with close links to supersonics and engine design. Within this field, many of the most important results have been experimental. The principal facilities have been wind tunnels and related devices, which have produced flows with speeds up to orbital velocity. Why is it important? Hypersonics has had two major applications. The first has been to provide thermal protection during atmospheric entry. Success in this enterprise has supported ballistic-missile nose cones, has returned strategic reconnaissance photos from orbit and astronauts from the Moon, and has even dropped an instrument package into the atmosphere of Jupiter. The last of these approached Jupiter at four times the speed of a lunar mission returning to Earth. Work with re-entry has advanced rapidly because of its obvious importance. The second application has involved high-speed propulsion and has sought to develop the scramjet as an advanced airbreathing ramjet. Scramjets are built to run cool and thereby to achieve near-orbital speeds. They were important during the Strategic Defense Initiative, when a set of these engines was to power the experimental X-30 as a major new launch vehicle. This effort fell short, but the X-43A, carrying a scramjet, has recently flown at Mach 9.65 by using a rocket. Atmospheric entry today is fully mature as an engineering discipline. Still, the Jupiter experience shows that work with its applications continues to reach for new achievements. Studies of scramjets, by contrast, still seek full success, in which such engines can accelerate a vehicle without the use of rockets. Hence, there is much to do in this area as well. For instance, work with computers may soon show just how good scramjets can become. NASA SP-2007-4232
Author:
Publisher: Government Printing Office
ISBN: 9780160805011
Category : Political Science
Languages : en
Pages : 1084
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Book Description
This volume of the NASA Historical Data Book is the seventh in the series that describes NASA’s programs and projects. Covering the years 1989 through 1998, it includes the areas of launch systems, human spaceflight, and space science, continuing the volumes that addressed these topics during NASA’s previous decades. Each chapter presents information, much of it statistical, addressing funding, management, and details of programs and missions.
Author: Steven J. Dick
Publisher: Government Printing Office
ISBN: 9780160867170
Category : Astronautics
Languages : en
Pages : 704
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Book Description
Author: Robert C. Seamans
Publisher: U. S. National Aeronautics & Space Administration
ISBN:
Category : Biography & Autobiography
Languages : en
Pages : 326
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Book Description
An essential volume in the NASA History Series by Robert C. Seamans, Jr., the Associate Administrator of NASA during the Apollo program. A stirring insider's account of NASA and the manned space program at the highest levels. Relationships with the Department of Defense, the Apollo 204 fire, the assassination of President Kennedy, and more. Aiming at Targets is a series of fascinating topical vignettes covering the author's professional life. Taken together, like broad brushstrokes in an impressionist painting, they give a better picture of Bob Seamans and his work than a detailed recitation of facts and dates could hope to do. This is a cheerful account of an interesting and successful career. The book is full of good stories, with many memorable characters. Like the proverbial sundial, it counts the sunny hours.
Author: Herman Noordung
Publisher: DIANE Publishing
ISBN: 0788118498
Category :
Languages : en
Pages : 174
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Book Description
A translation from German of a 1929 treatise by the author. Deals with the problem of the space travel. Expresses ideas about rocketry and space travel. Extensive treatment of the engineering aspects of a space station. Extensive bibliography. 100 drawings.
