Added Resistance Acting on Hull of a Non Ballast Water Ship

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    摘要 Inthispaper,addedresistancesactingonahullofnonballastwatership(NBS)inhighwavesisdiscussed.ThenonballastwatershipsweredevelopedatthelaboratoryoftheauthorsatOsakaPrefectureUniversity,Japan.Inthepresentpaper,theperformancesofthreekindsofbowshapesdevelopedfortheNBSweretheoreticallyandexperimentallyinvestigatedtofindthebestoneinhighwaves.Inpreviouspapers,anoptimumbowshapefortheNBSwasdevelopedincalmwaterandinmoderatedwaves.Fora2mmodelforexperimentsandcomputations,thewaveheightis0.02m.Thismeansthatthewaveheightis15%ofthedraftoftheshipinfullloadconditions.Inthispaper,addedresistancesinhighwavesupto0.07mfora2mmodelor53%ofthefullloaddraftareinvestigated.Insuchhighwaveslinearwavetheorieswhichhavebeenusedinthedesignstageofashipforalongtimemaynotworkwellanymore,andexperimentsaretheonlyeffectivetooltopredicttheaddedresistanceinhighwaves.Withthecomputationsforwaves,theshipisinafullycapturedconditionbecauseshorterwaves,λ/Lpp〈0.6,areassumed.
    机构地区 不详
    出版日期 2014年01月11日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
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