ブイ係留中の船のふれまわり運動の風洞実験(日本航海学会第28回講演会)

概要

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The purpose of this paper is to bring to notice the results of some investigations relating to yaw of ship moored to a bouy in heavy weather. Wind tunnel experiments have been made at the trim by the bow and stern as well as zero trim without the changes in displacement for light condition, at each of four different wind velocities and of three different scopes of mooring chain. The results are summarized as follows: (1) Yaw amplitude tends to increase with the scope of chain, and also with the inclination of hull with trim by the stern. (2) The maximum value of the tension on mooring chain is lower for the case when the hull is inclined with trim by the bow than the case when by the stern. (3) It is emphasized here that the above maximum tension does not always increase with the scope of chain. Roughly speaking there seems to be a critical value of scope at which the maximum tension has a minimum value.
社団法人日本航海学会の論文
1962-12-25