Abstract
In this paper it is reported the possibility of the maneuvering test of the model ship in Circulating Water Channel (CWC). The wall effect on the model ship with the drift angle in CWC is researched by using model test and Computational Fluid Dynamics (CFD) analysis. Then a condition/criterion is studied for drift angle of the model and the distance between ship model and the side wall of CWC. Hydrodynamic force acting on the turning hull is measured in Yawing test by Planar Motion Mechanism (PMM)．The frequency dependency is shown in the test data result from the setting condition (period and r’). To avoid the frequency dependency, reasonable period range is proposed. Oblique towing test and Yawing test are carried out with keeping the above criterion. The analyzed data agrees with the results by towing tank. Then the maneuvering test in CWC has enough accuracy for course stability criterion of the ship practically.
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