Results 31 to 40 of about 31,326 (116)
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira +4 more
wiley +1 more source
Supersonic cruise aircraft research: An annotated bibliography [PDF]
This bibliography, with abstracts, consists of 69 publications arranged in chronological order. The material may be useful to those interested in supersonic cruise fighter/penetrator/interceptor airplanes.
Tuttle, M. H.
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A first-order Green's function approach to supersonic oscillatory flow: A mixed analytic and numeric treatment [PDF]
A frequency domain Green's Function Method for unsteady supersonic potential flow around complex aircraft configurations is presented. The focus is on the supersonic range wherein the linear potential flow assumption is valid.
Freedman, M. I., Sipcic, S., Tseng, K.
core +1 more source
Flow visualisation of a normal shock impinging over a rounded contour bump in a Mach 1.3 free-stream [PDF]
An experimental study has been conducted to visualise the instantaneous streamwise and spanwise flow patterns of a normal shock wave impinging over a rounded contour bump in a Mach 1.3 free-stream.
Kontis, Konstantinos, Lo, Kin Hing
core +2 more sources
Supersonic through-flow fan engine and aircraft mission performance [PDF]
A study was made to evaluate potential improvement to a commercial supersonic transport by powering it with supersonic through-flow fan turbofan engines. A Mach 3.2 mission was considered.
Franciscus, Leo C., Maldonado, Jaime J.
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The YF-12 Gust Velocity Measuring System [PDF]
A true gust velocity measuring system designed to alleviate complications resulting from airframe flexibility and from the high-speed, high-temperature environment of supersonic cruise aircraft was evaluated on a YF-12 airplane.
Ehernberger, J.
core +1 more source
A compression pylon for an aircraft with a wing-mounted engine, that does not cause supersonic airflow to occur within the fuselage-wing-pylon-nacelle channel is presented.
Patterson, James C., Jr.
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Historical development of worldwide supersonic aircraft [PDF]
Some major milestones in the progression of airplane speeds from subsonic to supersonic are traced. Historical background is included on work done prior to the Twentieth Century, but the major emphasis is on the Twentieth Century developments after the man carrying airplane became a practical reality. The techniques of increasing airplane speed revolve
openaire +1 more source
Minimum mass sizing of a large low-aspect ratio airframe for flutter-free performance [PDF]
A procedure for sizing an airframe for flutter-free performance is demonstrated on a large, flexible supersonic transport aircraft. The procedure is based on using a two level reduced basis or modal technique for reducing the computational cost of ...
Greene, W. H. +1 more
core +1 more source
Economic benefits of supersonic overland operation [PDF]
Environmental concerns are likely to impose some restrictions on the next generation of supersonic commercial transport. There is a global concern over the effects of engine emissions on the ozone layer which protects life on Earth from ultraviolet ...
Metwally, Munir
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