波による漁船の定常回頭モーメント

概要

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Investigating the characteristics of the wave-induced steady turning moment on the fishing boat in oblique seas, model tests are conducted and analysed. On the other hand the results are compared with those of the calculation which is based on the uni-fied theory and approximated by neglecting a part of the diffraction effect. The fishing boat in oblique seas is exerted by the steady turning moment so as to make it parallel to the wave crest line generally in the frequency range used in the experiments. However, it should be noted that in shorter waves it is not the case and the direction may be reversed. The approximate calculation is found not to agree well with experiment. This is mainly due to the overestimate of the lateral drifting force. In order to estimate correctly the steady force and moment, the diffraction effect must be totally included.
社団法人日本船舶海洋工学会の論文
1982-09-30