Numerical study on the rudder inflow behind the hull and the propeller in four quadrants
Lu, S.; Van Hoydonck, W.; López Castaño, S.; Lataire, E.; Delefortrie, G. (2025). Numerical study on the rudder inflow behind the hull and the propeller in four quadrants, in: Eloot, K. et al.7th MASHCON International Conference on Ship Manoeuvring in Shallow and Confined Water with non-exclusive focus on clean power in shallow water, 18-21 May 2025, Bruges, Belgium: conference program and proceedings. pp. 175-185. https://dx.doi.org/10.48607/336
In: Eloot, K. et al. (2025). 7th MASHCON International Conference on Ship Manoeuvring in Shallow and Confined Water with non-exclusive focus on clean power in shallow water, 18-21 May 2025, Bruges, Belgium: conference program and proceedings. Flanders Hydraulics/Ghent University: Antwerp. XII, 529 pp. https://dx.doi.org/10.48607/316
The inflow to the rudder behind the hull and the propeller in four quadrants is studied numerically by CFD (Computational Fluid Dynamics) with the KCS benchmark ship. The HPR (Hull‐Propeller‐Rudder) interactions without the free surface effect in all four quadrants are investigated and the inflow to the rudder is analysed. Rudder inflow velocities are extracted to compare the impact of propeller loadings in different quadrants, and vortex structures around the rudder are visualised to show the flow field co herence. Overall, this study provides a view into rudder hydrodynamics in four quadrants, and CFD simulations of the rudder behind the hull and the propeller under different direction combinations of the ship velocity and the propeller rate present a quantitative description of rudder inflow variations.
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