Results 21 to 30 of about 5,659 (165)
A RANS Modelling Approach for Predicting Powering Performance of Ships in Waves [PDF]
, 2013 In this paper, a modelling technique for simulating selfpropelled ships in waves is presented. The flow is modelledusing a RANS solver coupled with an actuator diskmodel for the propeller.
Hudson, Dominic +7 more
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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
doaj +1 more source
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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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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Evaluation of LES, IDDES and URANS for prediction of flow around a streamlined high-speed train
, 2022 The turbulent flow past a simplified Intercity-Express 3 high-speed train at ReH=6 7104 is investigated by a combination of wind tunnel experiments and numerical simulations using the large-eddy simulation (LES), the improved delayed detached eddy ...
He, Kan, +7 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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, 2015 在前期采用URANS模型模拟宽浅弯道水流的基础上,应用URANS模型和LES模型对窄深弯道水流进行模拟,并对结果进行对比分析,以期认识窄深弯道水流的特点,特别是断面环流结构 ...
刘青泉, 黄岁樑
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Energies, 2019 Accurate prediction of pollutant dispersion is vital to the energy industry. This study investigated the Computational Fluid Dynamics (CFD) simulation of pollutant emission in a natural draft dry cooling tower (NDDCT) with flue gas injection. In order to
Guangjun Yang +9 more
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Polish Maritime Research, 2019 The longitudinal motion characteristics of a slender trimaran equipped with and without a T-foil near the bow are investigated by experimental and numerical methods. Computational fluid dynamics ( CFD) method is used in this study.
Li Ang, Li Yunbo
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