Keel-Rudder Interaction: A look into the wake of a sailing yacht

In the early 00 of this century, Keuning et al. (2007) looked into the hydrodynamic forces on the rudder and the influence of the hull and keel on these forces. Among others, they have assessed the lift and drag forces on the rudder. One of the outcomes of this study was an asymmetric lift curve; for negative rudder angles the rudder seems to...

A Bare Hull Upright Trimmed Resistance Prediction for High Performance Sailing Yachts

The technological developments in sailing yacht design and construction over the past fifteen years are tremendous. As a result of these developments, the present methods for the velocity prediction of sailing yachts are less applicable to recent high performance yacht designs. The accuracy of the velocity prediction suffers from this in some...

A Velocity Prediction Procedure for Sailing Yachts with a hydrodynamic Model based on integrated fully coupled RANSE-Free-Surface Simulations

One of the most important tools in today's sailing yacht design is the Velocity Prediction Program (VPP). VPPs calculate boat speed from the equilibrium of aero- and hydrodynamic flow forces. Consequently their accuracy is linked to the accuracy of the aero- and hydrodynamic data used to represent a yacht. These data are usually derived from...

Preliminary design tool for sailing yachts. The development of a design tool for sailing yachts in the preliminary design phase

Computational and experimental study on performance of sails of a yacht

Tacking simulation for sailing yachts

The Re-Righting of sailing yachts in waves - a comparison of different hull forms

Hull-appendages interaction of a sailing yacht, investigated with wave-cut techniques

Refinements in the techniques of tank testing sailing yachts and the processing of test data

Stresses on sailing yacht at sea

Model tests to evaluate the effect of counter length and rudder thickness on the upright resistance of a modern sailing yacht hull.

A drogue design to prevent breaking wave capsize of monohull sailing yachts

Experimental analysis of five keel hull combinations

On wings and keels

A discussion is given of the physical mechanisms governing the hydrodynamics of sailing yacht keels and the parameters that, through these mechanisms, determine keel performance. It is concluded that due to the presence of the free water surface optimum keel shapes differ from optimum shapes for aircraft wings, a fact that does not seem to have...

What causes a Boat to Capsize