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Keywords: turbulence
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Proceedings Papers

Proc. ASME. OMAE2021, Volume 1: Offshore Technology, V001T01A015, June 21–30, 2021
Paper No: OMAE2021-63713
... is freezing. applied from ship to pipeline inlet. In such case, the pipeline will reach approximately a temperature of -30 °C in the initial Keywords: Offshore Pipeline, Turbulence, Heat Transfer, landfall section. Convection Coefficient, CO2. The design of the offshore pipeline subject to this operating...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 8: CFD and FSI, V008T08A008, August 3–7, 2020
Paper No: OMAE2020-18867
...LAMINAR AND TURBULENT FLOW PAST A HYDROFOIL PREDICTED BY A DISTRIBUTED VORTICITY METHOD Chunlin Wu1, Spyros A. Kinnas Ocean Engineering Group Department of Civil, Architectural and Environmental Engineering The University of Texas at Austin, Austin, Texas 78712, USA ABSTRACT A distributed viscous...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A009, August 3–7, 2020
Paper No: OMAE2020-19298
...MODELLING WAVE-CURRENT-TURBULENCE INTERACTIONS FOR TIDAL ENERGY APPLICATIONS Vengatesan Venugopal Institute for Energy Systems School of Engineering The University of Edinburgh, Edinburgh, UK Arne Vögler Marine Energy Engineering Centre of Excellence (MEECE), ORE Catapult Pembrokeshire Science...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 2: CFD and FSI, V002T08A023, June 9–14, 2019
Paper No: OMAE2019-95528
... 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...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 9: Rodney Eatock Taylor Honoring Symposium on Marine and Offshore Hydrodynamics; Takeshi Kinoshita Honoring Symposium on Offshore Technology, V009T13A016, June 9–14, 2019
Paper No: OMAE2019-96326
... 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...
Proceedings Papers

Proc. ASME. OMAE2013, Volume 1: Offshore Technology, V001T01A008, June 9–14, 2013
Paper No: OMAE2013-10109
... 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...
Proceedings Papers

Proc. ASME. OMAE2012, Volume 5: Ocean Engineering; CFD and VIV, 841-846, July 1–6, 2012
Paper No: OMAE2012-83719
... Reynolds number k- 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 coefficient, root-mean-square of fluctuating lift coefficient, Strouhal number and mean...
Proceedings Papers

Proc. ASME. OMAE2012, Volume 5: Ocean Engineering; CFD and VIV, 847-854, July 1–6, 2012
Paper No: OMAE2012-83730
...). The ratio of the plate thick- ness to the plate height is 0.02. The 2D simulations are carried out by solving the Unsteady Reynolds-Averaged Navier-Stokes (URANS) equations with the k- Shear Stress Transport (SST) turbulence model, while the 3D simulations are carried out with the large-eddy simulation...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 5: Materials Technology; CFD and VIV, 979-986, June 15–20, 2008
Paper No: OMAE2008-57987
... 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...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 4: Ocean Engineering; Offshore Renewable Energy, 63-72, June 15–20, 2008
Paper No: OMAE2008-57073
... 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...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 4: Ocean Engineering; Offshore Renewable Energy, 565-570, June 15–20, 2008
Paper No: OMAE2008-57752
... 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...
Proceedings Papers

Proc. ASME. OMAE2007, Volume 3: Pipeline and Riser Technology; CFD and VIV, 1031-1039, June 10–15, 2007
Paper No: OMAE2007-29752
... 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...
Proceedings Papers

Proc. ASME. OMAE2003, Volume 1: Offshore Technology; Ocean Space Utilization, 595-601, June 8–13, 2003
Paper No: OMAE2003-37406
... 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...
Proceedings Papers

Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 3, 923-926, June 12–17, 2005
Paper No: OMAE2005-67339
... 19 11 2008 An effective numerical technique is presented to model turbulent motion of a standing surface wave in a tank. The equations of motion for turbulent boundary layers at the solid surfaces are coupled with the potential flow in the bulk of the fluid, and a mixed BEM-finite...