Results 111 to 120 of about 7,826 (224)

Finite-Time Convergence Guidance Law for Hypersonic Morphing Vehicle

Aerospace
Aiming at the interception constraint posed by defensive aircrafts against hypersonic morphing vehicles (HMVs) during the terminal guidance phase, this paper designed a guidance law with the finite-time convergence theory and control allocation methods ...
Dongdong Yao, Qunli Xia
doaj   +1 more source

Energy Extraction from Onflow Inhomogeneity in the Spanwise Direction. A Theoretical Study [PDF]

, 2018
Potential of energy extraction from onflow inhomogeneity in spanwise direction was investigated theoretically. Trajectory optimization was performed for a 5 meter span UAV with morphing capability as well as without it.
Dmitriev, Vitaly, Jenny, Patrick
core  

Design Optimization and Testing of Seamless Morphing Leading Edge for Large Civil Aircraft

Engineering Proceedings
Climate change has prompted the aviation industry to decrease its emissions of greenhouse gases. With their aerodynamic shape adaptability, morphing leading edges have great potential in the application of laminar flow wings and are beneficial to green ...
Zhigang Wang, Xiasheng Sun, Yu Yang, Gang Liu, Daochun Li, Jinwu Xiang   +5 more
doaj   +1 more source

Far-Term Exploration of Advanced Single-Aisle Subsonic Transport Aircraft Concepts [PDF]

Far-term single-aisle class aircraft concepts for potential entry-into-service of 2045 were investigated using an Interactive Reconfigurable Matrix of Alternatives (IRMA) approach.
Blaesser, Nathaniel J., Fisher, Kenneth L., Kirk, Jason T., Marien, Ty V., Perkins, Hugh D., Quinlan, Jesse R.   +5 more
core   +1 more source

Aircraft Wings and Morphing–Evolution of the Concepts

Encyclopedia
This encyclopedia entry provides an updated appreciation of the evolution of morphing aircraft wings, organized as follows: first, lift concepts are briefly examined; second, patents related to lift enhancement are discussed, showcasing existing ...
Sérgio M. O. Tavares, Pedro V. Gamboa, Paulo M. S. T. de Castro   +2 more
doaj   +1 more source

Optimum Wing Shape Determination of Highly Flexible Morphing Aircraft for Improved Flight Performance. [PDF]

J Aircr, 2016
Su W, Swei SS, Zhu GG.
europepmc   +1 more source

Review of research into shock control bumps [PDF]

, 2015
B König, BHK Lee, Birkenmeyer, DS Lee, H Babinsky, H Monner, H Ogawa, H Ogawa, H Ogawa, JP Eastwood, N Qin, NA Titchener, P. J. K. Bruce, PJK Bruce, PR Ashill, PR Ashill, S. P. Colliss, SC McIntosh, SD Kim, SD Kim, SD Kim, SP Colliss, WS Wong   +22 more
core   +2 more sources

折叠变体飞行器风洞试验模型设计与可靠性分析

Jixie chuandong, 2009
The special high-speed wind tunnel test model is a difficult problem in the aviation field. Aiming at the movement performance index of one morphing aircraft for high-speed wind tunnel,the controllable-folding morphing test model is designed.
李强, 李周复, 刘铁中
doaj  

Attention-Based Multi-Objective Control for Morphing Aircraft. [PDF]

Biomimetics (Basel)
Fu Q, Sun C.
europepmc   +1 more source

Structural Analysis and Performance-Based Validation of a Composite Wing Spar [PDF]

Electric-motor powered aircraft possess the ability to operate with efficient energy delivery, but lack the operational range of internal combustion engine powered aircraft. This range limitation requires the use of high aspect ratio, thin-chord wings to
Cutright, Stephen E., Moore, James B.
core   +1 more source