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Simulation of Unsteady Propeller Blade Loads Using OpenFOAM

Rickard Bensow (Institutionen för sjöfart och marin teknik, Marine Design)
Numerical Towing Tank Symposium (2013)
[Konferensbidrag, övrigt]

Unsteady propeller blade loads are important to consider in the design of the propulsion system in order to avoid problems with noise and vibrations. This is normally done through an analysis of the average wake field flowing into the propulsor in order to correctly match the different components of the propulsion system. As computational resources increase, it now starts to become possible to better study the impact on the natural wake flow unsteadiness and how this influences the behaviour of the propeller. This work is a feasibility study to investigate different computational aspects regarding the flow around a propeller operating in a ship wake. The simulations are performed in OpenFOAM 2.2.x using LES, Large Eddy Simulation.The interest concerns both how the sliding mesh implementation in OpenFOAM performs and how large variation in the propeller flow that the resolved transient wake field incurs.

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Denna post skapades 2014-01-08. Senast ändrad 2014-09-02.
CPL Pubid: 191794


Institutioner (Chalmers)

Institutionen för sjöfart och marin teknik, Marine Design (2012-2014)


Hållbar utveckling

Chalmers infrastruktur

C3SE/SNIC (Chalmers Centre for Computational Science and Engineering)