Facing The Heat Barrier A History Of Hypersonics

Author : T. A. Heppenheimer
Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.38/5 ( download)

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Download or read book Facing the Heat Barrier written by T. A. Heppenheimer and published by . This book was released on 2006 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : National Aeronautics and Space Admin.
Publisher :
ISBN 13 : 9781998109951
Total Pages : 0 pages
Book Rating : 4.5X/5 ( download)

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Download or read book Facing the Heat Barrier written by National Aeronautics and Space Admin. and published by . This book was released on 2023-09-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Author : T. A. Heppenheimer
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.26/5 ( download)

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Download or read book Facing the Heat Barrier written by T. A. Heppenheimer and published by . This book was released on 2007 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : National Aeronautics Administration
Publisher : CreateSpace
ISBN 13 : 9781493692569
Total Pages : 356 pages
Book Rating : 4.69/5 ( download)

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Download or read book Facing the Heat Barrier written by National Aeronautics Administration and published by CreateSpace. This book was released on 2013-11 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Author : Richard Hallion
Publisher :
ISBN 13 :
Total Pages : 876 pages
Book Rating : 4.90/5 ( download)

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Download or read book The Hypersonic Revolution written by Richard Hallion and published by . This book was released on 1987 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Matthew H. Hersch
Publisher : MIT Press
ISBN 13 : 0262546728
Total Pages : 329 pages
Book Rating : 4.20/5 ( download)

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Download or read book Dark Star written by Matthew H. Hersch and published by MIT Press. This book was released on 2023-12-26 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: A captivating history of NASA’s Space Transportation System—the space shuttle—chronicling the inevitable failures of a doomed design. In Dark Star, Matthew Hersch challenges the existing narrative of the most significant human space program of the last 50 years, NASA’s space shuttle. He begins with the origins of the space shuttle: a century-long effort to develop a low-cost, reusable, rocket-powered airplane to militarize and commercialize space travel, which Hersch explains was built the wrong way, at the wrong time, and for all the wrong reasons. Describing the unique circumstances that led to the space shuttle’s creation by President Richard Nixon’s administration in 1972 and its subsequent flights from 1981 through 2011, Hersch illustrates how the space shuttle was doomed from the start. While most historians have accepted the view that the space shuttle’s fatal accidents—including the 1986 Challenger explosion—resulted from deficiencies in NASA’s management culture that lulled engineers into a false confidence in the craft, Dark Star reveals the widespread understanding that the shuttle was predestined for failure as a technology demonstrator. The vehicle was intended only to give the United States the appearance of a viable human spaceflight program until funds became available to eliminate its obvious flaws. Hersch’s work seeks to answer the perilous questions of technological choice that confront every generation, and it is a critical read for anyone interested in how we can create a better world through the things we build.

Author : Lance Cole
Publisher : Pen and Sword
ISBN 13 : 147386271X
Total Pages : 189 pages
Book Rating : 4.15/5 ( download)

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Download or read book Secret Wings of World War II written by Lance Cole and published by Pen and Sword. This book was released on 2015-06-30 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many myths and legends surrounding the advanced German aeronautical technology of the Second World War. There are also facts and proven events. Yet within these stories and behind these facts lie conspiracy theories, mistaken assumptions and denials that seem to contradict the evidence. So what really happened? How far ahead were the German scientists? And, of even greater interest, why and how?There have been other books about advanced German wartime aeronautics, yet few authors have fully examined the detail of the designs and their relevance to the fighter and bomber legends of the 1950s and '60s, let alone the current crop of military and civil all-wing or blended-wing aircraft. This book charts the story from it origins, through current-day innovations and beyond, into the all-wing future of tomorrow.

Author : Ajey Lele
Publisher : Springer
ISBN 13 : 981133384X
Total Pages : 234 pages
Book Rating : 4.42/5 ( download)

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Download or read book Disruptive Technologies for the Militaries and Security written by Ajey Lele and published by Springer. This book was released on 2018-12-28 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book debates and discusses the present and future of Disruptive Technologies in general and military Disruptive Technologies in particular. Its primary goal is to discuss various critical and advanced elucidations on strategic technologies. The focus is less on extrapolating the future of technology in a strict sense, and more on understanding the Disruptive Technology paradigm. It is widely accepted that technology alone cannot win any military campaign or war. However, technological superiority always offers militaries an advantage. More importantly, technology also has a great deterrent value. Hence, on occasion, technology can help to avoid wars. Accordingly, it is important to effectively manage new technologies by identifying their strategic utility and role in existing military architectures and the possible contributions they could make towards improving overall military capabilities. This can also entail doctrinal changes, so as to translate these new technologies into concrete advantages.

Author : Dennis R. Jenkins
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.46/5 ( download)

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Download or read book Hypersonics Before the Shuttle written by Dennis R. Jenkins and published by . This book was released on 2000 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author :
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.26/5 ( download)

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Download or read book Hypersonics Before the Shuttle: A Concise History of the X-15 Research Airplane written by and published by . This book was released on 2000 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: