... 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 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...

... 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...

... the different approaches based on the boundary layer behavior; • A typical application is shown. offshore pipeline CFD turbulence heat transfer convection coefficient FLUID DYNAMICS NUMERICAL ASSESSMENT TO EVALUATE THE ICE FORMATION AROUND THE PIPELINE Giuseppe Blasioli Saipem S.p.A. Fano, Italy...

... and a standard k-ε turbulence model is selected to capture the turbulent flow around and downstream of the hydrofoil. The wave profiles, pressure and velocity contours are computed to investigate the overall flow conditions and a detailed analysis of the flow field downstream of the hydrofoil is conducted...

... 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...

... the Unsteady Reynolds-Averaged Navier Stokes (URANS) equations with a standard high Reynolds number k-ε turbulence model. The objective of the present study is to evaluate whether the model is applicable for engineering design within this flow regime. Hydrodynamic results (such as time-averaged drag...

... Transport (SST) turbulence model, while the 3D simulations are carried out with the large-eddy simulation (LES) method. The hydrodynamic results (such as time-averaged drag coefficient, Strouhal number and mean recirculation length) are compared with the published experimental data. The near-wake flow...

... 24 07 2009 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...

... 24 07 2009 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...

... realistic case. 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...

... 22 05 2009 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 are compared in terms of accuracy and influence on the flow...

... 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...