Abstract
In order to study the scaling law for resistance and self-propulsion factors on an extremely full ship form, on which the state of flow pattern around the stern is of type “F” or “S”, tests of the geosims composed of 9, 6 and 4 meters in length were carried out as a joint study by the Ship Research Institute and the Nagasaki Experimental Tank of Mitsubishi Heavy Industries, Ltd..Conclusions obtained from the geosim tests are as follows, (1) Two types of flow “F” and “S” were observed on 9 meter model as well as 6 meter model.(2) The state of flow around the stern on full ship form seems to depend on the ship form and not to be affected by the scale of model in the tested range.(3) Unusual characteristics were not found of the scaling for the resistance in the range of model scale 4 to 9 meters.
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