... at only 15%. Whilst this study can not state which length of wind file is more “correct”, use of wind files of 60-minute length will lead to more conservative fatigue results. fatigue floating offshore wind turbine wind turbulence mooring wind rainflow Proceedings of the ASME 2023 5th...

... Abstract The air flow surrounding offshore helidecks is subjected to many perturbations and obstacles that may represent additional risks to helicopter operations. There are some standards and recommendations for offshore helidecks that establish some thresholds in terms of turbulence...

... Model have been used to calculate the transient process causing water freezing. offshore pipeline turbulence heat transfer convection coefficient CO 2 Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual...

... Abstract A distributed viscous vorticity equation (VISVE) method is presented in this work to simulate the laminar and turbulent flow past a hydrofoil. The current method is proved to be more computationally efficient and spatially compact than RANS (Reynolds-Averaged Navier-Stokes) methods...

... Abstract This paper presents the nature of turbulence parameters produced from 3-dimensional numerical simulations using an ocean scale wave-tidal current model applied to tidal energy sites in the Orkney waters in the United Kingdom. The MIKE 21/3 coupled wave-current model is chosen...

... of a two-phase flow solver is investigated for a simulation of spilling breaking waves generated by a shallowly submerged hydrofoil (NACA0024) in a uniform flow. An algebraic Volume of Fluid (AVOF) method is applied to capture the dynamic behaviour of the free surface and a standard - turbulence...

... for submerged cylinders proposed by different authors through Nusselt number assessment; A description of the proposed numerical approach is given highlighting the different approaches based on the boundary layer behavior; A typical application is shown. KEYWORDS: Offshore Pipeline, CFD, Turbulence, Heat...

... characteristics of deep draft offshore structures to obtain better correlation to the field measurements. This necessitates generating sheared current with acceptable turbulence level. This paper presents a recent advancement in generating sheared current in a flume tank facility. In this process, the test...

... Turbulence rectangular cylinder vortex shedding numerical simulation high Reynolds number The unsteady flows around a stationary two dimensional rectangular cylinder with chord-to-thickness ratio B/D = 5.0 at high Reynolds numbers, Re B = 5×10 5 , 1×10 6 , 1.5×10 6 and 2×10 6...

... Three-dimensional effect Flat plate Turbulence URANS LES Plate components are often found in offshore and marine structures, such as heave damping plates in spar platform and bilge keels in ships. Two-dimensional (2D) and three-dimensional (3D) numerical simulations are performed...

... The goal of this work is to get a deeper understanding of the structure of the flow around a propeller of a passenger ship, specially the pressure field, where turbulent fluctuations and cavitation can lead to pressure oscillations, vibration and noise. The accurate prediction of cavitation has...

... 07 2009 Tidal boundary layers turbulence tidal ellipses particle trajectories dustry seeks knowledge of this bound- r flows for prediction of the transport Proceedings of the ASME 27th International Conference on Offshore Mechanics and Arctic Engineering OMAE2008 June 15-20, 2008...

... In the present paper, a compressible free surface code is used for simulating the flow around ship hulls. The code simulates both turbulent and laminar, free-surface flow around ship hulls, using the Slightly Compressible Flow formulation. The runs were performed for a Series60, Cb = 0.6 hull...

... Slightly compressible formulation free surface turbulence time-marching methods A free surface, finite-difference code on collocated grids, using the Slightly Compressible Flow formulation, is used for simulating turbulent flow around a Wigley hull. Two free-surface treatment techniques...

... which show single wind turbines (Fig. 1). The derivation of high resolution wind fields from SAR images is explained and comparisons with numerical models are presented. wind energy wind farms SAR high resolution wind field retrieval turbulence Proceedings of OMAE2003: The 22nd...

... estimating wave tion on a floating structure to sediment transport in coastal s. In many occasions, the flow is turbulent with the effects fined to the boundary layers at the solid boundaries, and an ctive numerical method to couple the flow outside the ndary layer with that inside the boundary layer...