Results 71 to 80 of about 71,876 (215)
Multiple-Purpose Subsonic Naval Aircraft (MPSNA): Multiple Application Propfan Study (MAPS) [PDF]
Study requirements, assumptions and guidelines were identified regarding carrier suitability, aircraft missions, technology availability, and propulsion considerations. Conceptual designs were executed for two missions, a full multimission aircraft and a
Engelbeck, R. M. +4 more
core +1 more source
Distributed Propulsion Vehicles [PDF]
, 2010 Since the introduction of large jet-powered transport aircraft, the majority of these vehicles have been designed by placing thrust-generating engines either under the wings or on the fuselage to minimize aerodynamic interactions on the vehicle operation.
Kim, Hyun Dae
core +1 more source
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроениеA methodology is proposed to estimate the probability of failure-free operation of a propulsion system with a pusher propeller of an aircraft under the influence of foreign objects flying out from under the wheels of the landing gear.
D. S. Markov +2 more
doaj +1 more source
Progress in supersonic cruise aircraft technology [PDF]
The supersonic cruise aircraft research program identified significant improvements in the technology areas of propulsion, aerodynamics, structures, takeoff and landing procedures, and advanced configuration concepts.
Driver, C.
core +2 more sources
The handling qualities and flight characteristics of the Grumman design 698 simulated twin-engine tilt Nacelle V/STOL aircraft [PDF]
This paper describes three government-conducted, piloted flight simulations of the Grumman Design 698 vertical and short takeoff and landing (V/STOL) aircraft.
Eskey, M. A., Wilson, S. B., III
core +1 more source
Turboprop cargo aircraft systems study [PDF]
The effects of using advanced turboprop propulsion systems to reduce the fuel consumption and direct operating costs of cargo aircraft were studied, and the impact of these systems on aircraft noise and noise prints around a terminal area was determined.
Hewell, J. G., Jr. +5 more
core +1 more source
Small business innovation research. Abstracts of 1988 phase 1 awards [PDF]
Non-proprietary proposal abstracts of Phase 1 Small Business Innovation Research (SBIR) projects supported by NASA are presented. Projects in the fields of aeronautical propulsion, aerodynamics, acoustics, aircraft systems, materials and structures ...
core +1 more source
A study of NACA and NASA published information of pertinence in the design of light aircraft [PDF]
, 1970 Three volume report contains NACA/NASA generated literature pertinent to the design of light aircraft. Information covers structural design, propulsion subsystems, landing gear loads, flutter, performance calculation procedures, and high horsepower ...
core +1 more source
Quiet Clean Short-haul Experimental Engine (QCSEE). Composite fan frame subsystem test report [PDF]
The element and subcomponent testing conducted to verify the composite fan frame design of two experimental high bypass geared turbofan engines and propulsion systems for short haul passenger aircraft is described.
Bowden, J. H., Stotler, C. L., Jr.
core +1 more source
ARES: aircraft propulsion integration
, 2013 The combat aircraft and the gas turbine engine interact with one another. These interactions have become of even greater significance than previously due to the fact that the modern aircraft have increased requirements in terms of thrust, efficiency, reliability and ease of maintenance.
openaire +1 more source