Results 1 to 10 of about 101,066 (161)
Acoustic Metamaterials in Aeronautics
Applied Sciences, 2018 Metamaterials, man-made composites that are scaled smaller than the wavelength, have demonstrated a huge potential for application in acoustics, allowing the production of sub-wavelength acoustic absorbers, acoustic invisibility, perfect acoustic mirrors
Giorgio Palma +4 more
doaj +2 more sources
Design and Optimization of a Large Turboprop Aircraft
Aerospace, 2021 This paper proposes a feasibility study concerning a large turboprop aircraft to be used as a lower environmental impact solution to current regional jets operated on short/medium hauls. An overview of this market scenario highlights that this segment is
Fabrizio Nicolosi +3 more
doaj +1 more source
ANZ journal of surgery, 2022 The technical difficulty an operation creates for a surgeon is difficult to measure. Current measures are poor surrogates. In both research and teaching settings it would be valuable to be able to accurately measure this degree of difficulty.
S. Bell +7 more
semanticscholar +1 more source
Ergonomics, 2021 Our objective was to investigate the validity of four-item and six-item versions of the National Aeronautics and Space Administration Task Load Index (NASA-TLX, or TLX for short) for measuring workload over a whole day in the repeated measures context ...
R. Hernandez +4 more
semanticscholar +1 more source
Comparative Analysis of the Aeronautical Certification Process Against Nonionizing Radiation and the Management Proposal for Ionizing Radiation [PDF]
Journal of Aerospace Technology and Management, 2022 Today, the certification process for onboard electro-electronic systems against nonionizing radiation can be considered mature and independent, having its own set of requirements.
Marcelo Tadeu Motta Ferreira +1 more
doaj +1 more source
Study on the Aerodynamic Performance of Novel Bypass Shock-Induced Thrust Vector Nozzle [PDF]
Journal of Applied Fluid Mechanics, 2023 This article studies the aerodynamic performance of a novel bypass shock-induced thrust vector nozzle. An arc-shaped bypass is innovatively designed to optimize nozzle performance and equips a variable shrinkage part.
K. Wu +6 more
doaj +1 more source
Additive Manufacturing of Aluminum Alloys for Aeronautic Applications: Advantages and Problems
Metals, 2023 In aeronautics, additive manufacturing (AM) leads to specific benefits, mainly connected to topological optimization for weight reduction, the decrease in “buy-to-fly” ratio, and the operations of maintenance, repair, and overhaul. Al alloys processed by
Roberto Montanari +3 more
doaj +1 more source
Aeroacustic and Vibroacoustic Advancement in Aerospace and Automotive Systems
Applied Sciences, 2020 This Special Issue highlights the latest enhancements in the abatement of noise and vibrations of aerospace and automotive systems. The reduction of acoustic emissions and the improvement of cabin interior comfort are on the path of all major ...
Roberto Citarella +2 more
doaj +1 more source
Misunderstanding Flight Part 2: Epistemology and the Philosophy of Science
Education Sciences, 2023 Flight has become a common everyday occurrence. We have engineered ever more efficient and reliable aircraft, facilitating safe transportation around the world. However, from the education literature on the topic of lift, online discussions, and YouTube,
Graham Wild
doaj +1 more source
Sensors, 2020 Visual corona tests have been broadly applied for identifying the critical corona points of diverse high-voltage devices, although other approaches based on partial discharge or radio interference voltage measurements are also widely applied to detect ...
Jordi-Roger Riba +2 more
doaj +1 more source