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Author :
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (317 download)
Download or read book Explosively Driven Hypervelocity Launcher: Second-stage Augmentation Techniques written by and published by . This book was released on 1973 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis W. Baum
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (31 download)
Download or read book Development of Explosively Driven Launcher for Meteoroid Studies written by Dennis W. Baum and published by . This book was released on 1973 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of a continuing program to develop an explosively driven 2-stage hypervelocity launcher capable of achieving velocities between 15 and 20 km/sec are described. Previous efforts had identified incomplete barrel collapse as a limiting factor in launcher performance. Correlation of experimental and computational results obtained in the present study indicate that boundary-layer gases within the barrel act to prevent complete closure. Simplified calculations suggest that in-contact explosives may have insufficient energy densities to collapse the barrel against a developed boundary layer. Higher energy densities, sufficient to produce complete closure, were obtained with the use of steel flyer plates accelerated by a phased explosive lens. However, when flat flyer plates were impacted on the barrel, the sides of the barrel were observed to rupture and leak gas prior to barrel closure. A promising solution to this problem (untested) is to produce a symmetrical collapse with a cylindrical tube around the barrel.
Author : E. T. Jr Moore
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (317 download)
Download or read book Explosive Hypervelocity Launchers written by E. T. Jr Moore and published by . This book was released on 1968 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edgar T. Moore
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (31 download)
Download or read book Explosive Hypervelocity Launchers written by Edgar T. Moore and published by . This book was released on 1968 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 1572 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 1572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. Smith
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (11 download)
Download or read book Theory of a Two-stage Hypervelocity Launcher to Give Constant Driving Pressure at the Model written by F. Smith and published by . This book was released on 1963 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Irvine I. Glass
Publisher :
ISBN 13 :
Total Pages : 223 pages
Book Rating : 4.:/5 (18 download)
Download or read book Hypervelocity Launchers written by Irvine I. Glass and published by . This book was released on 1965 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: The critical survey of hypervelocity launchers and their research applications to reentry physics, hypervelocity impact, gasdynamics and aerodynamics, which was started in Part I (AD-419 112) is continued in the present report. The various subsections consider the improvements that may be obtained over a simple launcher by using chambrage, combustion drivers, piston compressors, and electrical discharges. It is shown that although significant but modest improvements are obtained, these techniques do not appear to offer actual and startling increases in muzzle velocities. Consequently, novel methods will have to be employed in order to achieve the desirable current hypervelocities of integral aerodynamic shapes at 50,000 ft/sec or greater. The application of implosion wave dynamics appears to offer such a possibility. (Author).
Author : FIRESTONE TIRE AND RUBBER CO AKRON OH.
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.:/5 (227 download)
Download or read book PROCEEDINGS OF THE SIXTH SYMPOSIUM ON HYPERVELOCITY IMPACT, 30 APRIL-2 May 1963, CLEVELAND, OHIO written by FIRESTONE TIRE AND RUBBER CO AKRON OH. and published by . This book was released on 1963 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: A critique of accelerator techniques for hypervelocity impact; Experimental and theoretical studies on the interior ballistics of light gas guns; An investigation of the performance of a compression heater for use with gun tunnels or hypervelocity launchers; Computer analysis of two-stage hypervelocity model launchers; NRL hypervelocity accelerator development; Performance of a three stage arc heated light gas gun; Hypervelocity augmentation techniques.
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ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (682 download)
Download or read book Computational Design of Hypervelocity Launchers written by and published by . This book was released on 1993 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sandia Hypervelocity Launcher (HVL) uses impact techniques on a two-stage light-gas gun to launch flier plates to velocities in excess of 10 km/s. An important problem in designing successful third stage techniques for impact launching fliers to such velocities is detailed understanding of the interior ballistic performance of the third stage. This is crucial for preventing melt and fracture of the flier plates during the extraordinary accelerations that they undergo (accelerations on the order of 109 g are typical on the HVL). We seek to optimize HVL launch conditions in order to achieve two major goals: first, to maximize the potential launch velocity for a given flier, and second, to allow different flier configurations. One tool that we can apply in studying HVL performance is the use of multi-dimensional wave propagation codes. We have used such codes, particularly the Sandia Eulerian code CTH, to study a variety of interior ballistics issues related to gun performance and launcher development for almost ten years. Recently this work has culminated in a major contribution to HVL design, namely the capability to launch ''chunk'' fliers. 'Me initial phases of design development were solely devoted to CTH computations that studied potential designs, identified problems, and posed possible solutions for launching chunk fliers on the HVL. Our computations sufficiently narrowed the design space to the point that systematic experimental progress was possible. Our first experiment resulted in the successful launch of an intact 0.33 gram titanium alloy chunk flier to a velocity of 10.2 km/s. The thickness to diameter ratio of this flier was approximately 0.5.
Author : Ray Kinslow
Publisher : Elsevier
ISBN 13 : 0323144985
Total Pages : 593 pages
Book Rating : 4.3/5 (231 download)
Download or read book High-Velocity Impact Phenomena written by Ray Kinslow and published by Elsevier. This book was released on 2012-12-02 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-Velocity Impact Phenomena covers a wide range of pertinent topics dealing with impact phenomena. The book discusses hypervelocity accelerators; stress wave propagation in solids; and the theory of impact. The text also describes the application of the theory of impact on thin targets and shields and correlation with experiment; the numerical evaluation of hypervelocity impact phenomena; and analytical studies of impact-generated shock propagation. The equation of state of solids from shock wave studies; metallurgical observations and energy partitioning; and engineering considerations in hypervelocity impact are also encompassed. Design engineers will find the book invaluable.
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ISBN 13 :
Total Pages : 306 pages
Book Rating : 4.:/5 (317 download)
Download or read book Ames Research Center Publications, July 1971 Through December 1973 written by and published by . This book was released on 1975 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. J. Piekutowski
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (317 download)
Download or read book A New Technique for Achieving Impact Velocities Greater Than 10 Km/sec written by A. J. Piekutowski and published by . This book was released on 2001 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T.A. Heppenheimer
Publisher : Courier Dover Publications
ISBN 13 : 0486834514
Total Pages : 355 pages
Book Rating : 4.4/5 (868 download)
Download or read book Facing the Heat Barrier written by T.A. Heppenheimer and published by Courier Dover Publications. This book was released on 2018-09-12 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume from The NASA History Series presents an overview of the science of hypersonics, the study of flight at speeds at which the physics of flows is dominated by aerodynamic heating. The survey begins during the years immediately following World War II, with the first steps in hypersonic research: the development of missile nose cones and the X-15; the earliest concepts of hypersonic propulsion; and the origin of the scramjet engine. Next, it addresses the re-entry problem, which came to the forefront during the mid-1950s, showing how work in this area supported the manned space program and contributed to the development of the orbital shuttle. Subsequent chapters explore the fading of scramjet studies and the rise of the National Aerospace Plane (NASP) program of 1985–95, which sought to lay groundwork for single-stage vehicles. The program's ultimate shortcomings — in terms of aerodynamics, propulsion, and materials — are discussed, and the book concludes with a look at hypersonics in the post-NASP era, including the development of the X-33 and X-34 launch vehicles, further uses for scramjets, and advances in fluid mechanics. Clearly, ongoing research in hypersonics has yet to reach its full potential, and readers with an interest in aeronautics and astronautics will find this book a fascinating exploration of the field's history and future.
Author :
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ISBN 13 :
Total Pages : 1352 pages
Book Rating : 4.3/5 (129 download)
Download or read book Government Reports Announcements written by and published by . This book was released on 1973 with total page 1352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1356 pages
Book Rating : 4.:/5 (31 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1990 with total page 1356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1684 pages
Book Rating : 4.U/5 (183 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 1684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1132 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Index written by and published by . This book was released on 1973 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
