Results 11 to 20 of about 3,858,029 (303)
Aerodynamic Effects of Ceiling and Ground Vicinity on Flapping Wings
Applied Sciences, 2022 The combined ceiling and ground effect on the aerodynamics of a hovering flapping wing is investigated using numerical simulations. In the simulations, the wing was located between the ceiling and the ground.
Xueguang Meng +4 more
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Aerospace, 2023 The development of novel aircraft concepts and propulsion technologies requires up-to-date physics-based methods and tools for conceptual aircraft design.
Karim Abu Salem +3 more
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Wake behind a Compound Wing in Ground Effect
Journal of Marine Science and Engineering, 2020 Flow structure is a crucial point for the conceptual design of Wing-in-Ground effect (WIG) crafts. In this study, pressure distributions around a compound wing, velocity and the turbulent intensity distribution in the wake area after trailing of the wing,
Saeed Jamei +6 more
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Ground Effect in Fruit Fly Hovering: A Three-Dimensional Computational Study
Journal of Biomechanical Science and Engineering, 2013 In very few studies it is shown that an increase in vertical force can be achieved when a flapping-wing hovers in ground effect (IGE). The body, however, has usually been neglected and its influence on three-dimensional vortex structures and consequent ...
Masateru MAEDA, Hao LIU
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Toward Hybrid CAA with Ground Effects [PDF]
International Journal of Aeroacoustics, 2014 CAA based on the Linearised Euler Equations (LEE) is applied to propagate aerodynamic sound over an extended distance including ground effects. The LEE are coupled to data from an LES via an acoustic analogy to follow-up the sound from the source to the extended far field: the complete chain is illustrated on the sound generated by a cylinder in a M ∼
Jacob, Marc +4 more
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Grounding as a Side‐Effect of Grounding [PDF]
Topics in Cognitive Science, 2018 AbstractIn relation to semantics, “grounding” has (at least) two relevant meanings. “Symbol grounding” is the process of connecting symbols (e.g., words) to perception and the world. “Communicative grounding” is the process of interactively adding to common ground in dialog. Strategies for grounding in human communication include, crucially, strategies
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Safety analysis of rotors in ground effect [PDF]
Aerospace Science and Technology, 2021 In this work, computational fluid dynamics was used to support safety analyses of rotors operating in ground effect. Initially, the research focused on the evaluation and prediction of the outwash generated by a hovering micro-rotor, and time-averaged outflow velocities were compared with experimental results. Then, using scaling factors, the simulated
Federico Rovere +2 more
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Investigation of Heaving-pitching Airfoil in Ground Proximity using Large Eddy Simulations [PDF]
Journal of Applied Fluid MechanicsThis study examines the aerodynamics of a wing-in-ground (WIG) airfoil subjected to heaving (plunging) & pitching motion, specifically examining the distinctions in flow between transitional and turbulent states, which are essential for assessing its ...
Y. E. William +2 more
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Analysis of the performance and kinematics of the movement of UAV [PDF]
FME Transactions, 2023 The use of drones today has become an integral part of modern life to the extent that the level of drone utilization determines the quality of life. The expansion of drone applications has grown exponentially.
Miloš Marina, Mirosavljević Petar
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CePdAl - a Kondo lattice with partial frustration [PDF]
, 2016 Magnetic frustration, which is well-defined in insulating systems with localized magnetic moments, yields exotic ground states like spin ices, spin glasses, or spin liquids.
Fritsch, Veronika +12 more
core +3 more sources