Heating and Flow-field Studies on a Straight-wing Hypersonic Reentry Vehicle at Angles of Attack from 20 to 80 Deg with Simulation of Real-gas Trends PDF Download
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Author: J. L. Hunt
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: J. L. Hunt
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: James L. Hunt
Publisher:
ISBN:
Category : Aerodynamic heating
Languages : en
Pages : 100
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 840
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: James Larry Hunt
Publisher:
ISBN:
Category : Aerodynamic heating
Languages : en
Pages : 94
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Book Description
Data are presented from a series of phase-change heat transfer and flow visualization tests at Mach 7.4, 8, and 10.3 in air, Mach 19.5 in nitrogen, Mach 20.3 in helium, and Mach 6 in tetrafluoromethane (CF4) on the windward surface of a straight wing hypersonic reentry configuration for angles of attack from 20 deg to 80 deg. The results indicate that: (1) for hypersonic stream Mach numbers, the flow field over the straight-wing configuration is essentially independent of Mach number, (2) transition Reynolds number decreases with increasing angle of attack, (3) at some critical angle of attack, the wing-shock standoff distance is greatly increased and the stagnation line moves downstream from the wing leading edge, (4) value of the critical angle of attack is very sensitive to the flow shock density ratio or effective gamma, and (5) at angles of attack above the critical value for all gases, the nondimensional level of heat transfer to the wing is higher for the higher shock density ratio flows.
Author: Frances E. Sabo
Publisher:
ISBN:
Category : Aerodynamics, Hypersonic
Languages : en
Pages : 182
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Author:
Publisher:
ISBN:
Category : Technology
Languages : en
Pages : 1476
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Book Description
Author: James L. Hunt
Publisher:
ISBN:
Category : Space vehicles
Languages : en
Pages : 94
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Book Description
Data are presented from a series of phase-change heat transfer and flow visualization tests at Mach 7.4, 8, and 10.3 in air, Mach 19.5 in nitrogen, Mach 20.3 in helium, and Mach 6 in tetrafluoromethane (CF4) on the windward surface of a straight wing hypersonic reentry configuration for angles of attack from 20° to 80°.
Author: Michael E. Tauber
Publisher:
ISBN:
Category : Aerodynamic heating
Languages : en
Pages : 44
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Book Description
Author: William A. Wood
Publisher:
ISBN:
Category : Aerodynamic heating
Languages : en
Pages : 26
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Book Description
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.
