Results 91 to 100 of about 10,850 (227)
International Journal of Aerospace EngineeringTwo problems exist in the study of the trajectory optimization problem of powered hypersonic gliding vehicles (HGVs) due to insufficient consideration of the overall design constraints as well as the strong couplings among relevant disciplines: (1) the ...
Shoudong Ma +4 more
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Structures and materials technology for hypersonic aerospacecraft [PDF]
Major considerations in structural design of a transatmospheric aerospacecraft are discussed. The general direction of progress in structures and materials technology is indicated, and technical areas in structures and materials where further research ...
Card, Michael F. +2 more
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Aircraft technology opportunities for the 21st Century [PDF]
New aircraft technologies are presented that have the potential to expand the air transportation system and reduce congestion through new operating capabilities, and at the same time provide greater levels of safety and environmental compatibility.
Albers, James A., Zuk, John
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Compendium of NASA Langley reports on hypersonic aerodynamics [PDF]
Reference is made to papers published by the Langley Research Center in various areas of hypersonic aerodynamics for the period 1950 to 1986. The research work was performed either in-house by the Center staff or by other personnel supported entirely or ...
Cary, Aubrey M. +2 more
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An optical fiber balance for short-time wind tunnel force measurement of large-scale scramjet models
AIP AdvancesThe scale of a scramjet has a profound impact on its combustion characteristics, and accurately replicating the integrated coupling dynamics between an aircraft and a scramjet in wind tunnel tests remains a significant challenge.
Bin Xu, Shien Yu, Jianzhong Zhang
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Rensselaer Polytechnic Institute has been developing a transatmospheric 'Lightcraft' technology which uses beamed laser energy to propel advanced shuttle craft to orbit.
Messitt, Don G., Myrabo, Leik N.
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FirePhysChemAnticipating a doubling in global air travel demand by 2040, the present work underscores the need for innovation in aviation propulsion systems. This study presents the design and analysis of tubular combustors for lower Mach numbers in Turbo-Ramjet ...
Nikhil S Prakash, Akhil G, Amjith L R
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NASP X-30 Propulsion technology status [PDF]
The performance goals of the NASP program require an aero-propulsion system with a high effective specific impulse. In order to achieve these goals, the high potential performance of air-breathing engines must be achieved over a very wide Mach number ...
Powell, William E.
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Multi-disciplinary shape optimization of an entry capsule integrated with custom neural network approximation and multi-delity approach [PDF]
, 2011 This paper describes a new integrated approach for the multi-disciplinary optimization of a entry capsule’s shape. Aerothermodynamics, Flight Mechanics and Thermal Protection System behaviour of a reference spaceship when crossing Martian atmosphere are ...
Cavallero, Claudio +6 more
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Journal of Applied Fluid Mechanics, 2019 Single Expansion Ramp Nozzle (SERN) with large expansion ratio is normally adopted for the hypersonic aircraft in consideration of integrated aircraft / propulsion system / nozzle design.
L. Zhou, Z. Wang
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