Results 71 to 80 of about 15,386 (232)

Multidisciplinary Design Optimization for the Conceptual Design of Supersonic Civil Aircraft Based on Full-Carpet Sonic Boom/Aerodynamic Characteristics Employing Differential Evolution

Aerospace
Reducing the sonic boom intensity and increasing the cruise lift-to-drag ratio are pivotal technologies for the successful development of supersonic civil aircraft.
Yuyu Duan, Chonweng Wan, Runze Li, Haixin Chen   +3 more
doaj   +1 more source

Improvement and evaluation of polymer-matrix composite panels with hat stiffeners

MATEC Web of Conferences, 2016
Hat-stiffened composite panels fabricated by co-curing technologies are widely used in the fuselage panel due to the good structural stability and high efficiency of axial load transferring.
Li S. J., Zhan L. H., Ding X. X., Chen F., Peng W. F., Zhang Y. A., Pu Y. W., Liu X. Y.   +7 more
doaj   +1 more source

Study for prediction of rotor/wake/fuselage interference, part 1 [PDF]

A method was developed which allows the fully coupled calculation of fuselage and rotor airloads for typical helicopter configurations in forward flight. To do this, an iterative solution is carried out based on a conventional panel representation of the
Clark, D. R., Maskew, B.
core   +1 more source

Key issues in application of composites to transport aircraft [PDF]

, 1978
The application of composite materials to transport aircraft was identified and reviewed including the major contributing disciplines of design, manufacturing, and processing.
Stone, M.
core   +1 more source

RESEARCH ON SIMPLIFICATION OF LOADING SPECTRUM FOR FATIGUE CRACK GROWTH TEST

Jixie qiangdu, 2015
A new subsection-loading method has been used for solving question that was taken for aircraft structure cracking growth testing（ CGT） in a long time.Based on technology of low load cut-off,the random loading spectrum used in CGT,associated with the ...
ZHANG Kan, DONG DengKe, CHEN Li
doaj  

An Integrated Architecture for Robotic Assembly and Inspection of a Composite Fuselage Panel with an Industry 5.0 Perspective

Machines
Aeronautical robotic applications use quite large, heavy robots with huge end effectors that are frequently multifunctional. An assembly jig to hold a fuselage panel and two medium-sized six-axis robots fixed on linear axes, referred to as the internal ...
Gaetano Lettera, Ciro Natale
doaj   +1 more source

Study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracks

Jixie qiangdu
Crack growth analysis of aircraft fuselage panels is one of the important tasks of aircraft damage tolerance design. In this paper, the crack growth behavior and residual strength characteristics of the internal pressure panel of the aircraft fuselage ...
QIN JianBo, WANG Feng, LÜ Pin, HOU Cheng, FAN XueLing   +4 more
doaj  

Towards the Development of an Eco-Design Approach for Aircraft Components

Engineering Proceedings
This paper presents a comprehensive approach aimed at optimizing the design of aircraft components from a cradle-to-grave sustainability perspective. Central to this approach is a rigorous sustainability assessment, which evaluates environmental, cost ...
Aikaterini Anagnostopoulou, Dimitrios Sotiropoulos, Giannis Floros, Konstantinos Tserpes   +3 more
doaj   +1 more source

Study for prediction of rotor/wake/fuselage interference. Part 2: Program users guide [PDF]

A method was developed which permits the fully coupled calculation of fuselage and rotor airloads for typical helicopter configurations in forward flight.
Clark, D. R., Maskew, B.
core   +1 more source

Advances in Joining Techniques Used in Development of SPF/DB Titanium Sandwich Reinforced with Metal Matrices [PDF]

, 1985
Three and four-sheet expanded titanium sandwich sheets have been developed at Douglas Aircraft Company, a division of McDonnell Douglas Corporation, under contract to NASA Langley Research Center.
Fischler, J. E.
core   +1 more source