Airwake Characteristics of NATO-Generic Destroyer: A Numerical Study [PDF]
Journal of Applied Fluid MechanicsThis paper presents a numerical investigation of the air wake around a generic surface combatant ship called NATO-Generic Destroyer (NATO-GD). Naval surface combatants with flight decks must be designed taking aerodynamic concerns into account.
S. Sari, A. Dogrul, S. Bayraktar
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Effect of an Axially Offset Impeller on the Transient Physics of Asymmetric Flow in a Double-suction Centrifugal Fan [PDF]
Journal of Applied Fluid MechanicsThe impeller of a double-suction centrifugal fan may be subject to axial offset due to assembly or operational failure. The internal flow is asymmetric about the central disc and deteriorates the fan’s performance.
R. Liu, H. Yang, Y. Wei, W. Zhang
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Investigation of the Effect of Number of Longitudinal Rounded Grooves on Hydrodynamic Forces acting on Cylinders in Cross Flow at Re=10⁵ [PDF]
Journal of Eta Maritime Science, 2020 Crossflow over cylindrical structures has been extensively studied by both academia and industry in various fields. It is responsible for in-line and transverse vibrations of marine risers. Flow-induced structural vibrations may end up with the failure
Oktay YILMAZ
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Numerical modelling of the aerodynamic interference between helicopter and ground obstacles [PDF]
, 2017 Helicopters are frequently operating in confined areas where the complex flow fields that develop in windy conditions may result in dangerous situations.
Barakos, George N. +3 more
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Computational study of a complex three-dimensional shock boundary-layer interaction [PDF]
, 2015 Shock boundary–layer interactions occur in many high-speed aerodynamic flows and they can have a notable impact on design considerations due to the aerodynamic and heat transfer effects.
Katzenberg, Joshua, MacManus, David G.
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Scale-adaptive simulation of unsteady cavitation around a naca66 hydrofoil [PDF]
, 2019 Distances between consecutive aftershocks are analysed by means of mono- and multifractal theory with the aim of quantifying the complexity of the physical mechanism governing them, as well as their predictability and predictive instability.
Escaler Puigoriol, Francesc Xavier +3 more
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Multi-objective optimization of a wing fence on an unmanned aerial vehicle using surrogate-derived gradients [PDF]
, 2020 In this paper, the multi-objective, multifidelity optimization of a wing fence on an unmanned aerial vehicle (UAV) near stall is presented. The UAV under consideration is characterized by a blended wing body (BWB), which increases its efficiency, and a ...
Couckuyt, Ivo +4 more
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Journal of Marine Science and Engineering, 2019 Damage stability is difficult to assess due to the complex hydrodynamic phenomena regarding interactions between fluid and structures. Therefore, a detailed analysis of the flooding progression and motion responses is important for improving ship safety.
Xinlong Zhang +6 more
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An efficient Two-Layer wall model for accurate numerical simulations of aeronautical applications [PDF]
, 2019 Two-Layer wall models have been widely studied since they allow wall modeled Large Eddy Simulationsof general non-equilibrium flows. However, they are plagued by two persistent problems, the "log-layermismatch" and the resolved Reynolds stresses inflow ...
Calafell Sandiumenge, Joan +2 more
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Aerodynamics and Power Balance of a Distributed Aft-Fuselage Boundary Layer Ingesting Aircraft
Aerospace, 2023 This paper presents a first investigation into the aerodynamics and performance breakdown of a distributed aft-fuselage boundary layer ingesting (BLI) tube-and-wing aircraft using fully coupled Unsteady Reynolds-Averaged Navier-Stokes (URANS ...
Tze Sing Tse, Cesare A. Hall
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