Results 81 to 90 of about 94,085 (216)

Lockheed laminar-flow control systems development and applications [PDF]

Progress is summarized from 1974 to the present in the practical application of laminar-flow control (LFC) to subsonic transport aircraft. Those efforts included preliminary design system studies of commercial and military transports and experimental ...
Lange, Roy H.
core   +1 more source

NDARC-NASA Design and Analysis of Rotorcraft Theoretical Basis and Architecture [PDF]

, 2010
The theoretical basis and architecture of the conceptual design tool NDARC (NASA Design and Analysis of Rotorcraft) are described. The principal tasks of NDARC are to design (or size) a rotorcraft to satisfy specified design conditions and missions, and ...
Johnson, Wayne
core   +1 more source

Conceptual Design of a Transport Aircraft

, 2017
When flooding or earthquakes hits a country the population in the area could suffer a lot and are in a big need of help quickly. In these situations heavy transport aircraft are used around the world to help and support the victims in the area by delivering supplies.
Carlson, Jesper, Jazrawi, Diyar
openaire   +3 more sources

Integration Analysis of Conceptual Design and Stealth-Aerodynamic Characteristics of Combat Aircraft

Journal of Aerospace Technology and Management, 2016
 In order to study stealth strike-fighter, an analysis on stealth-aerodynamic integration and conceptual design is conducted. A conceptual 3-D digital model with internal antiship missiles and air-to-air missiles is designed in CATIA software.
Cheng Liangliang, Yue Kuizhi, Guo Weigang, Yu Dazhao   +3 more
doaj  

A Rapid Method of Integrated Aeropropulsive Analysis for the Conceptual Design of Airbreathing Hypersonic Aircraft

Aerospace
A special feature of airbreathing hypersonic aircraft is the complex coupling between aerodynamic and propulsive performances. This study presents a rapid analysis methodology for the integration of these two critical aspects in the conceptual design of ...
Yalin Dai, Zhouwei Fan, Jian Xu, You He, Xiongqing Yu   +4 more
doaj   +1 more source

Parametric study of transport aircraft systems cost and weight [PDF]

The results of a NASA study to develop production cost estimating relationships (CERs) and weight estimating relationships (WERs) for commercial and military transport aircraft at the system level are presented.
Beltramo, M. N., Kimoto, B. W., Marsh, D. P., Trapp, D. L.   +3 more
core   +1 more source

Conceptual Design of a Hydrogen-Hybrid Dual-Fuel Regional Aircraft Retrofit

Aerospace
A wide range of aircraft propulsion technologies is being investigated in current research to reduce the environmental impact of commercial aviation.
Ulrich Carsten Johannes Rischmüller, Alexandros Lessis, Patrick Egerer, Mirko Hornung   +3 more
doaj   +1 more source

Feasibility of Electrified Propulsion for Ultra-Efficient Commercial Aircraft Final Report [PDF]

MIT, Aurora Flight Sciences, and USC have collaborated to assess the feasibility of electric, hybridelectric, and turbo-electric propulsion for ultra-efficient commercial transportation.
Byahut, S., Courtin, C., Dowdle, A.P., Gonzalez, J.J., Greitzer, E.M., Hall, D.K., Hoburg, W.W., Kruger, M., Lang, J.H., Sabnis, J.S., Spakovszky, Z.S., Thalheimer, W., Trollinger, L., Tylko, J., Uranga, A., Varney, N., Yutko, B.   +16 more
core   +1 more source

Conceptual design of single turbofan engine powered light aircraft [PDF]

The conceptual design of a four place single turbofan engine powered light aircraft was accomplished utilizing contemporary light aircraft conventional design techniques as a means of evaluating the NASA-Ames General Aviation Synthesis Program (GASP) as ...
Baisden, D. N., Heinrich, A. M., Snyder, F. S., Voorhees, C. G.   +3 more
core   +1 more source

Parametric Geometry Modeling for Conceptual Design of Supersonic Tailless Combat Aircraft

Aerospace
The fully tailless configuration has lower observability, less structural weight and less drag, and it is considered one of the preferred designs for the next generation of efficient supersonic combat aircraft.
Jian Xu, Xiongqing Yu
doaj   +1 more source