Aerothermal Performance and Structural Integrity of a René 41 Thermal Protection System at Mach 6.6 PDF Download
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Author: William D. Deveikis
Publisher:
ISBN:
Category : Aerothermodynamics
Languages : en
Pages : 104
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Author: William D. Deveikis
Publisher:
ISBN:
Category : Aerothermodynamics
Languages : en
Pages : 104
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Author: James Wayne Sawyer
Publisher:
ISBN:
Category : Aerothermodynamics
Languages : en
Pages : 60
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Author:
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 482
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Author:
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 484
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Author: Sandra K. Faull
Publisher: Arlington, Va. : United States Historical Documents Institute
ISBN:
Category : Reference
Languages : en
Pages : 608
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Author:
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ISBN:
Category :
Languages : en
Pages : 42
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A flight-weight radiative and actively cooled honeycomb sandwich panel (RACP was subjected to multiple cycles of both radiant and aerothermal heating. The 0.61-m (2 ft) by 1.22-m (4 ft) test specimen incorporated essential features of a full-scale 0.61-m (2 ft) by 6.10-m (20 ft) RACP designed to withstand a heat flux of 136 kW/m2 (12 Btu/sq. ft-sec). The panel consisted of Rene 41 heat shields, a thin layer of high-temperature insulation, and an aluminum honeycomb sandwich panel with coolant tubes next to the sandwich skin. A 60/40 mass solution of ethylene glycol/water was used to cool the panel which successfully withstood a total of 3.5 hr of radiant heating and 137 sec exposure to an M = 6.6 test stream. Heatshield temperatures reached 1080 K (1945 R), and cooled-panel temperatures reached 382 K (687 R) midway between coolant tubes. Simulation of the full-scale panel indicated that the full-scale RACP would perform as expected. The tests revealed no evidence of coolant leadkage or hot- gas ingress which would seriously degrade the RACP performance. (Author).
Author: Charles P. Shore
Publisher:
ISBN:
Category : Cooling
Languages : en
Pages : 48
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Author: T.A. Heppenheimer
Publisher: Courier Dover Publications
ISBN: 0486834514
Category : Technology & Engineering
Languages : en
Pages : 355
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Book Description
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:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1058
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Author: Johns Hopkins University. Applied Physics Laboratory, Silver Spring, Md
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 516
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