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  • 标题:打ち込み荷重に対する船種の影響について
  • 本地全文:下载
  • 作者:小川 剛孝 ; 南 真紀子 ; 松波 亮樹
  • 期刊名称:日本造船学会論文集
  • 印刷版ISSN:0514-8499
  • 电子版ISSN:1884-2070
  • 出版年度:2002
  • 卷号:2002
  • 期号:192
  • 页码:181-190
  • DOI:10.2534/jjasnaoe1968.2002.181
  • 出版社:The Japan Society of Naval Architects and Ocean Engineers
  • 摘要:

    A series of model tests in waves were conducted to measure the green water loads that act on deck due to deck wetness using the model of general cargo ship. The ship, which is finer than bulk carriers, is the medium sized freight container carrier (Lpp: 160m, CB: 0.663). For the examinations of effects of the ship's forward speed on the green water loads, the model tests were made in ship speed conditions of 2 knots and 4 knots. The tests in regular and irregular waves were done in head seas. As to the tests in irregular waves, the significant wave height (H1/3) is 12 meters and the mean wave period (T01) is 10.4 seconds. In order to assess the experimental results quantitatively, maximum value and probability density function of green water loads were estimated by the use of estimation methods that were developed by the one of authors. Having compared with measured data, it was found that its estimations were in good agreement with measured data. It is concluded that the experimental results were rational. Experimental results for general cargo ship were compared with the results for bulk carrier. Although the test conditions, such as the significant wave height, the mean wave period and the ship speed, of the two model tests conducted were different (Bulk carrier H1/3=10.6m, T01=14.0 sec., ship speed=1.4kt, General cargo ship: H1/3=12m, T01=10.4 sec., ship speed=2kt) and severer for the general cargo ship, it is found that the green water load on the deck of the general cargo ship are smaller than those of the bulk carrier. It is concluded that green water load in the regulation should be different for different ship types

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