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Author : Anonim
Publisher : Unknown
Page : 244 pages
File Size : 50,6 Mb
Release : 1996
Category : Transportation
ISBN : NASA:31769000473333
Author : Ahmed Khairy Noor,Samuel L. Venneri
Publisher : AIAA
Page : 690 pages
File Size : 43,8 Mb
Release : 1997
Category : Aeronautics
ISBN : 1600864252
Author : Egbert Torenbeek
Publisher : John Wiley & Sons
Page : 412 pages
File Size : 45,7 Mb
Release : 2013-05-28
Category : Technology & Engineering
ISBN : 9781118568095
Although the overall appearance of modern airliners has not changed a lot since the introduction of jetliners in the 1950s, their safety, efficiency and environmental friendliness have improved considerably. Main contributors to this have been gas turbine engine technology, advanced materials, computational aerodynamics, advanced structural analysis and on-board systems. Since aircraft design became a highly multidisciplinary activity, the development of multidisciplinary optimization (MDO) has become a popular new discipline. Despite this, the application of MDO during the conceptual design phase is not yet widespread. Advanced Aircraft Design: Conceptual Design, Analysis and Optimization of Subsonic Civil Airplanes presents a quasi-analytical optimization approach based on a concise set of sizing equations. Objectives are aerodynamic efficiency, mission fuel, empty weight and maximum takeoff weight. Independent design variables studied include design cruise altitude, wing area and span and thrust or power loading. Principal features of integrated concepts such as the blended wing and body and highly non-planar wings are also covered. The quasi-analytical approach enables designers to compare the results of high-fidelity MDO optimization with lower-fidelity methods which need far less computational effort. Another advantage to this approach is that it can provide answers to “what if” questions rapidly and with little computational cost. Key features: Presents a new fundamental vision on conceptual airplane design optimization Provides an overview of advanced technologies for propulsion and reducing aerodynamic drag Offers insight into the derivation of design sensitivity information Emphasizes design based on first principles Considers pros and cons of innovative configurations Reconsiders optimum cruise performance at transonic Mach numbers Advanced Aircraft Design: Conceptual Design, Analysis and Optimization of Subsonic Civil Airplanes advances understanding of the initial optimization of civil airplanes and is a must-have reference for aerospace engineering students, applied researchers, aircraft design engineers and analysts.
Author : Anonim
Publisher : Unknown
Page : 176 pages
File Size : 43,7 Mb
Release : 1996
Category : Aeronautics
ISBN : STANFORD:36105024157922
Author : Anonim
Publisher : DIANE Publishing
Page : 68 pages
File Size : 47,8 Mb
Release : 2000
Category : Aerodynamics
ISBN : 9781428996380
Author : Anonim
Publisher : Unknown
Page : 1064 pages
File Size : 48,7 Mb
Release : 2010
Category : Aeronautics
ISBN : UCSD:31822036341212
Two-volume collection of case studies on aspects of NACA-NASA research by noted engineers, airmen, historians, museum curators, journalists, and independent scholars. Explores various aspects of how NACA-NASA research took aeronautics from the subsonic to the hypersonic era.-publisher description.
Author : Anonim
Publisher : Unknown
Page : 1066 pages
File Size : 41,9 Mb
Release : 2011
Category : Electronic
ISBN : STANFORD:36105050567168
Author : Anonim
Publisher : Unknown
Page : 720 pages
File Size : 45,7 Mb
Release : 1996
Category : Science
ISBN : UOM:39015053419902
Author : Anonim
Publisher : Unknown
Page : 180 pages
File Size : 41,9 Mb
Release : 1997
Category : Electronic
ISBN : NASA:31769000624182
Author : Anonim
Publisher : Unknown
Page : 546 pages
File Size : 45,5 Mb
Release : 2002
Category : Fluid dynamics
ISBN : PSU:000050931101
Author : Anonim
Publisher : Unknown
Page : 474 pages
File Size : 49,6 Mb
Release : 1998
Category : Aeronautics
ISBN : PSU:000033357805
Author : Anonim
Publisher : Unknown
Page : 710 pages
File Size : 55,5 Mb
Release : 2002
Category : Aeronautics
ISBN : PSU:000049962390
Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 41,5 Mb
Release : 1998
Category : Airframes
ISBN : NASA:31769000629181
This white paper addresses the subject of Synergistic Airframe-Propulsion interactions and integrations (SnAPII). The benefits of SnAPII have not been as extensively explored. This is due primarily to the separateness of design process for airframes and propulsion systems, with only unfavorable interactions addressed. The question "How to design these two systems in such a way that the airframe needs the propulsion and the propulsion needs the airframe?" is the fundamental issue addressed in this paper. Successful solutions to this issue depend on appropriate technology ideas. This paper first details some ten technologies that have yet to make it to commercial products (with limited exceptions) and that could be utilized in a synergistic manner. Then these technologies, either alone or in combination, are applied to both a conventioal two-engine transonic transport and to an unconventional transport, the Blended Wing Body. Lastly, combinations of these technologies are applied to configuration concepts to assess the possibilities of success relative to five of the ten NASA aeronautics goals. These assessments are subjective, but they point the way in which the applied technologies could work together for some break-through benefits.
Author : Anonim
Publisher : Unknown
Page : 742 pages
File Size : 40,5 Mb
Release : 2000
Category : Aeronautics
ISBN : UOM:39015049110730
Author : Robert G. Ferguson
Publisher : Unknown
Page : 312 pages
File Size : 43,5 Mb
Release : 2013
Category : Electronic
ISBN : UCSD:31822041095381
