Results 71 to 80 of about 542 (125)
Particle Image Velocimetry Measurements to Evaluate the Effectiveness of Deck-Edge Columnar Vortex Generators on Aircraft Carriers [PDF]
Candidate passive flow control devices were chosen from a NASA flow visualization study to investigate their effectiveness at improving flow quality over a flat-top carrier model. Flow over the deck was analyzed using a particle image velocimeter and a 1/
Lamar, John E. +2 more
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Experimenting Rotorcraft Flight in Complex Environmental Conditions Using the Wind Tunnel: Helicopter Ship Landing Case [PDF]
, 2022 Gibertini, G. +3 more
core
Isolated rotor engagement and disengagement simulations in ship airwake
, 2016 During the engagement and disengagement phases of maritime helicopter operations, a transient aeroelastic phenomenon can occur, known as blade sailing. Characterised by large blade def lections, which have the potential to cause structural damage to the aircraft, blade sailing can limit the tactical flexibility of a helicopter operating in a maritime ...
Groom, M. +3 more
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A discrete approach to modelling helicopter blade sailing [PDF]
, 2009 Wall, Alanna
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Numerical simulation of ship airwake
Computers and Fluids, 2000zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Reddy, K. R. +2 more
exaly +2 more sources
Unsteady Aerodynamic Loading on a Helicopter Fuselage in a Ship Airwake
Journal of the American Helicopter Society, 2004unclassified
Lee, R., Zan, S. J.
exaly +4 more sources
Computational Fluid Dynamics Simulations of Ship Airwake
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 2005Computational fluid dynamics (CFD) simulations of ship airwakes are discussed in this article. CFD is used to simulate the airwakes of landing helicopter assault (LHA) and landing platform dock-17 (LPD-17) classes of ships. The focus is on capturing the massively separated flow from sharp edges of blunt bodies, while ignoring the viscous effects.
N Sezer-Uzol, A Sharma, L N Long
exaly +2 more sources
Investigating ship airwake on a moving ship model
IET Conference Proceedings, 2023H Setiawan, Kevin Kevin
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Experimental Determination of Rotor Thrust in a Ship Airwake
Journal of the American Helicopter Society, 2002unclassified
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Helicopter Aerodynamic Loading in the Airwake of a Moving Ship
Proceedings of the Vertical Flight Society 79th Annual Forum, 2023This paper presents an analysis of the unsteady aerodynamic loading of a helicopter immersed in the airwake of a generic destroyer undergoing several ship motion types: static, sinusoidal pitching, regular 2-DOF, and realistic irregular 3-DOF ship motions. The study was a collaborative effort between the National Research Council Canada and the
Fernandez, Nicholas +5 more
openaire +2 more sources