Results 71 to 80 of about 10,850 (227)

HASA: Hypersonic Aerospace Sizing Analysis for the Preliminary Design of Aerospace Vehicles [PDF]

A review of the hypersonic literature indicated that a general weight and sizing analysis was not available for hypersonic orbital, transport, and fighter vehicles.
Berkowitz, Brian M., Harloff, Gary J.
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Continuous-flow variable-density wind tunnel facilities [PDF]

, 1972
Unique features of wind tunnel facilities at Jet Propulsion Laboratory permit variety of conventional and novel tests to be performed at supersonic and hypersonic speeds.
Herrera, J. G.
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Hypersonic propulsion research [PDF]

The development of technology for the modular airframe integrated scramjet has been the focus of hypersonic propulsion research for several years. An part of this research, a variety of inlet concepts have been explored and characterized. The emphasis of
Northam, G. Burton
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Progress and Development of Solid-Fuel Scramjet Technologies

Aerospace
The solid-fuel scramjet has become a potential power device for hypersonic missiles in the future and has important military application prospects due to its advantages in gas flow regulation, flame stability, and blended combustion efficiency.
Wenfeng Yu, Yun Hu, Shenghai Zhao, Rongqiao Wang   +3 more
doaj   +1 more source

Designing Control System of Hypersonic Vehicle with Dynamic Pressure Constraints Considered

Xibei Gongye Daxue Xuebao, 2019
An airbreathing hypersonic vehicle(AHV) generally adopts a scramjet engine as its propulsion, which needs strict conditions of flight dynamic pressure. A new dynamic pressure control system is presented, in which the AHV autopilot directly uses dynamic ...

doaj   +1 more source

Evaluation of on-board hydrogen storage methods for hypersonic vehicles [PDF]

Hydrogen is the foremost candidate as a fuel for use in high speed transport. Since any aircraft moving at hypersonic speeds must have a very slender body, means of decreasing the storage volume requirements below that for liquid hydrogen are needed. The
Adeyiga, A. A., Akyurtlu, Ates, Akyurtlu, J. F., Northam, G. B., Perdue, Samara   +4 more
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Trajectory optimization and guidance law development for national aerospace plane applications [PDF]

The work completed to date is comprised of the following: a simple vehicle model representative of the aerospace plane concept in the hypersonic flight regime, fuel-optimal climb profiles for the unconstrained and dynamic pressure constrained cases ...
Calise, A. J., Corban, J. E., Flandro, G. A.   +2 more
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Investigation of mixing and initiation characteristics of oblique detonation engine in confined spaces

Case Studies in Thermal Engineering
The oblique detonation engine (ODE) is a novel air-breathing propulsion system capable of meeting the requirements of hypersonic flight at Mach numbers above 8.
Kun Wang, Zijie Wu, Baoxing Li, Xiangzhou Feng, Huiming Shu, Shaoqing Hu, Zhiyong Lin   +6 more
doaj   +1 more source

Evaluation of candidate working fluid formulations for the electrothermal - chemical wind tunnel [PDF]

Various candidate chemical formulations are evaluated as a precursor for the working fluid to be used in the electrothermal hypersonic test facility which was under study at the NASA LaRC Hypersonic Propulsion Branch, and the formulations which would ...
Akyurtlu, Ates, Akyurtlu, Jale F.
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The Effects of Compression Direction on the Performance of a Two-Dimensional Inlet Mounted on the Aft Body

Applied Sciences
The aft-body mounted inlet of a hypersonic vehicle has garnered attention for its potential to shorten the propulsion system. This study aims to explore the influence of compression direction on the performance of the hypersonic inlet attached to the ...
Jingfan Chen, Xiaoqiang Fan, Bing Xiong
doaj   +1 more source