PaperExperimental study of the column shape and the roughness effects on the vortex-induced motions of deep-draft semi-submersible platforms
Ocean Engineering
1 Feb 2018
Experiments regarding the VIM of SS platforms with four columns were carried out to investigate the effects of the surface roughness and the column ...
cfd/simulation/desk studiesoffshore operationsoil and gaslife at seaoffshore wind
PaperSimulation of the flow around a circular cylinder at Re=3900 with Partially-Averaged Navier-Stokes equations
International Journal of Heat and Fluid Flow
1 Nov 2017
This study employs Partially-Averaged Navier-Stokes (PANS) equations to simulate the flow around a smooth circular cylinder at Reynolds number 3900. ...
PaperRandom uncertainty of variance of finite length measurement signals
The 5th International Conference on Advanced Model Measurement Technology for the Maritime Industry (AMT’17), Glasgow, UK
18 Oct 2017
When considering stationary measurements, the finite length of any practical measurement imposes a random uncertainty component to statistical ...
cfd developmentcfdcfd/simulation/desk studiesgeometry and cfd
PaperExploratory measurements of cavitation nuclei in the wake of a ship model
The 5th International Conference on Advanced Model Measurements Technology for The Maritime Industry (AMT ’17), Glasgow, UK
18 Oct 2017
Cavitation is an important phenomenon influencing the performance of ship propellers and rudders. It is well known that if substantial cavitation ...
manoeuvring and nautical studiessustainable propulsionmeasurements and controldata sciencenoise and vibrationresistance and propulsionmarine systemsdefencepassengers and yachtingtransport and shippingmodel testingcavitationpropellerpropulsor
PaperAdvanced measurements of rim-driven tunnel thrusters -The Wageningen TT-series JIP
5th International Conference on Advanced Model Measurements Technology for the Maritime Industry (AMT’17), Glasgow, UK
11 Oct 2017
For the Wageningen TT-series JIP a rim-driven tunnel thruster test set-up was used to evaluate the cavitation dynamics, underwater radiated noise ...
manoeuvring and nautical studiessustainable propulsionmeasurements and controldata sciencenoise and vibrationresistance and propulsionmarine systemsdefencepassengers and yachtingtransport and shippingmodel testingcavitationpropellerpropulsor
PaperRound Robin test on the underwater radiated noise of a cavitating ship propeller in open water
The 5th international conference on advanced model measurements technology (AMT’17), Glasgow, Scotland, UK
11 Oct 2017
Due to concerns about its effect on marine life, shipping noise is receiving increasing attention within the maritime industry. The primary noise ...
sustainable propulsionmeasurements and controldata sciencenoise and vibrationresistance and propulsionmarine systemspoweringdefencepassengers and yachtingtransport and shippingmodel testingshipscavitationpropellerpropulsor
PaperModelling of the Plume of a Submerged Exhaust System
20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands
3 Oct 2017
The Royal Netherlands Navy (RNN) currently operates four diesel-electric Walrus class submarines. The submarines sail submerged on electric engines ...
manoeuvring and nautical studiescfd developmentcfd/simulation/desk studiestime-domain simulationsmanoeuvringinfrastructuredefencepassengers and yachtingtransport and shippingresearch and developmentnavysimulationsresearch
PaperSurge Decay Simulations of a Semi-Submersible Floating Offshore Wind Turbine
20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands
3 Oct 2017
The state of the art to simulate the dynamic behaviour of floating wind turbines is to use Blade Element Momentum Theory (BEMT) for the aerodynamics ...
stability, seakeeping and ocean engineeringcfd developmentcfd/simulation/desk studiestime-domain simulationsrenewablesresearch and developmentsimulationsdampingeventsrenewable energyrentresearch
PaperOn the Decay of Freestream Turbulence Predicted by Two-equation Eddy-viscosity Models
20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands
3 Oct 2017
As reported before by Spalart and Rumsey (2007), the decay of freestream turbulence in two-equation eddy-viscosity turbulence models is ...
cfd developmentcfd/simulation/desk studiestime-domain simulationsresistance and propulsionresearch and developmentsimulationsresearch
PaperAnalysis of Hydrofoil Cavitation using Proper Orthogonal Decomposition
20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands
3 Oct 2017
Cavitation is the change of phase from liquid to vapor when the pressure falls below the saturation pressure. For marine propellers, occurrence of ...
cfd developmentcfd/simulation/desk studiestime-domain simulationsresearch and developmentsimulationsresearch
PaperA Verification and Validation Study of CFD Simulations for the Flow Around A Tug
20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands
3 Oct 2017
An important vessel for the operational process in a harbour is the tug, a vessel built for the specific purpose of quickly manoeuvring larger ...
manoeuvring and nautical studiescfd developmentcfd/simulation/desk studiestime-domain simulationsmanoeuvringinfrastructuredefencepassengers and yachtingtransport and shippingresearch and developmentsimulationsverification and validationresearch
PaperCode Verification Exercise of a Navier-Stokes Solver for Compressible Flows in the Laminar and Subsonic Regimes
20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands
3 Oct 2017
Many of the flows of interest to the naval and offshore industries deal with fluids that are usually assumed to be incompressible, i.e. their ...
cfd developmentcfd/simulation/desk studiestime-domain simulationsresearch and developmentsimulationsverification and validationresearch
PaperIterative Errors in Unsteady Flow Simulations - Are they Really Negligible?
20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands
3 Oct 2017
The numerical solution of a statistically steady flow problem is typically obtained in an iterative process. For a given mathematical model, ...
cfd developmentcfd/simulation/desk studiestime-domain simulationsresearch and developmentsimulationsverification and validationresearch
PaperOn the Turbulence Modelling for an Air Cavity Interface
20th Numerical Towing Tank Symposium (NuTTS), Wageningen, The Netherlands
3 Oct 2017
The use of air lubrication techniques can significantly reduce a ship’s fuel consumption. One of the most promising techniques applicable to ships ...
cfd developmentcfd/simulation/desk studiestime-domain simulationsresearch and developmentsimulationsresearch
PaperChoosing the safest wave
The Naval Architect
1 Oct 2017
Sanne van Essen, MARIN, and Herman Peters, Rijkswaterstaat, Netherlands investigate the wind and wave design conditions to study the minimum power ...
wave measurementswaves, impacts and hydrostructuralseakeepingwaves & motionssafetyadded resistance