Influence Of Flight Control Laws On Structural Sizing Of Commercial Aircraft
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Author | : Rahmetalla Nazzeri |
Publisher | : Cuvillier Verlag |
Total Pages | : 180 |
Release | : 2021-11-15 |
Genre | : Technology & Engineering |
ISBN | : 3736965168 |
The increasing demand for new civil aircraft pushes aircraft manufacturers to develop innovative solutions that lead in particular to mass reductions. One way to achieve these kinds of improvements is the use of multidisciplinary analysis and optimization. In this sense the intention of this PhD thesis is to develop a multidisciplinary framework in order to quantify the impact of load alleviation function parameter changes on structural components like the wing and fuselage in terms of resulting mass changes. The developed iterative process chain covers the loads calculation including an active load alleviation system, a structural assessment of the wing and fuselage components and a dedicated feedback loop in order to update mass and stiffness properties of the loads calculation model. The study shows that significant mass reductions are achievable while on the other hand estimated mass penalties are irrelevant.
Author | : Robert C. Nelson |
Publisher | : |
Total Pages | : 464 |
Release | : 1998 |
Genre | : History |
ISBN | : |
This edition of this this flight stability and controls guide features an unintimidating math level, full coverage of terminology, and expanded discussions of classical to modern control theory and autopilot designs. Extensive examples, problems, and historical notes, make this concise book a vital addition to the engineer's library.
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 345 |
Release | : 2002-02-03 |
Genre | : Nature |
ISBN | : 0309082897 |
Although poor air quality is probably not the hazard that is foremost in peoples' minds as they board planes, it has been a concern for years. Passengers have complained about dry eyes, sore throat, dizziness, headaches, and other symptoms. Flight attendants have repeatedly raised questions about the safety of the air that they breathe. The Airliner Cabin Environment and the Health of Passengers and Crew examines in detail the aircraft environmental control systems, the sources of chemical and biological contaminants in aircraft cabins, and the toxicity and health effects associated with these contaminants. The book provides some recommendations for potential approaches for improving cabin air quality and a surveillance and research program.
Author | : |
Publisher | : |
Total Pages | : 400 |
Release | : 1995 |
Genre | : Aeronautics |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 538 |
Release | : 1991 |
Genre | : Aeronautics |
ISBN | : |
Author | : United States. Superintendent of Documents |
Publisher | : |
Total Pages | : 1228 |
Release | : 1978 |
Genre | : Government publications |
ISBN | : |
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author | : |
Publisher | : |
Total Pages | : 548 |
Release | : 1992 |
Genre | : Aeronautics |
ISBN | : |
Author | : Jan Robert Wright |
Publisher | : John Wiley & Sons |
Total Pages | : 527 |
Release | : 2008-02-08 |
Genre | : Technology & Engineering |
ISBN | : 0470858400 |
Aircraft performance is influenced significantly both by aeroelastic phenomena, arising from the interaction of elastic, inertial and aerodynamic forces, and by load variations resulting from flight and ground manoeuvres and gust / turbulence encounters. There is a strong link between aeroelasticity and loads, and these topics have become increasingly integrated in recent years. Introduction to Aircraft Aeroelasticity and Loads introduces the reader to the main principles involved in a wide range of aeroelasticity and loads topics. Divided into three sections, the book begins by reviewing the underlying disciplines of vibrations, aerodynamics, loads and control. It goes on to describe simplified models to illustrate aeroelastic behaviour and aircraft response before introducing more advanced methodologies. Finally, it explains how industrial certification requirements for aeroelasticity and loads may be met and relates these to the earlier theoretical approaches used. Presents fundamentals of structural dynamics, aerodynamics, static and dynamic aeroelasticity, response and load calculations and testing techniques. Covers performance issues related to aeroelasticity such as flutter, control effectiveness, divergence and redistribution of lift. Includes up-to-date experimental methods and analysis. Accompanied by a website with MatLAB and SIMULINK programs that relate to the models used. Introduction to Aircraft Aeroelasticity and Loads enables the reader to understand the aeroelastic and loads principles and procedures employed in a modern aircraft design office. It will appeal to final year undergraduate and masters students as well as engineers who are new to the aerospace industry.
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 92 |
Release | : 2003-12-18 |
Genre | : Transportation |
ISBN | : 9780309090698 |
As recently as the summer of 2001, many travelers were dreading air transportation because of extensive delays associated with undercapacity of the system. That all changed on 9/11, and demand for air transportation has not yet returned to peak levels. Most U.S. airlines continue to struggle for survival, and some have filed for bankruptcy. The situation makes it difficult to argue that strong action is urgently needed to avert a crisis of undercapacity in the air transportation system. This report assesses the visions and goals for U.S. civil aviation and technology goals for the year 2050.
Author | : Thomas R. Yechout |
Publisher | : AIAA |
Total Pages | : 666 |
Release | : 2003 |
Genre | : Aerodynamics |
ISBN | : 9781600860782 |
Based on a 15-year successful approach to teaching aircraft flight mechanics at the US Air Force Academy, this text explains the concepts and derivations of equations for aircraft flight mechanics. It covers aircraft performance, static stability, aircraft dynamics stability and feedback control.