In order to predict self-propulsion factors, a procedure to obtain the propeller operating point advance coefficient using a noninteractive body force propeller model is developed, allowing computation of propeller rotational speed and the thrust coefficient. The method is intended for quick computations, though it has proven notably accurate. To test the methodology, the viscous free surface flow field around the model-scale KRISO container ship KCS at the selfpropulsion operating point in full scale is numerically simulated with the general CFD code FLUENT. All of the predicted propulsion coefficients are within 3% of the experimental values and the flow details also compare well with experimental data.

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