简介：文中所有数据采集自2013年7月4日各相关备忘录官网数据库，本季度港口国船舶检查及滞留情况，涉及PARISMOU／TOKY（1）MOU／IOMOU／MediterraneanMOU／BlackSeaM0u五个备忘录组织。其中，港口国检查滞留原则，参照中国海事局编写的《港口国监督检查缺陷英语描述与处理指南》，缺陷编码来源于TOKYOMOU／PARISMOU等官网公开资料、

简介：Inordertostudycavitationcharacteristicsofa2-Dhydrofoil,themethodthatcombinesnonlinearcavitationmodelandmixed-iterationisusedtopredictandanalyzethecavitationperformanceofhydrofoils.ThecavitationelementsarenonlinearlydisposedbasedontheGreenformulaandperturbationpotentialpanelmethod.Atthesametime,themethodthatcombinescavityshapeforfixedcavitylength(CSCL)iterationandcavityshapeforfixedcavitationnumber(CSCN)iterationisusedtoworkoutthethicknessandlengthofhydrofoilcavitations.Throughanalysisofcalculationresults,itcanbeconcludedthatthejumpofpressureandvelocitypotentiallyexistbetweencavitationendareaandnon-cavitationsareaonsuctionsurfacewhencavitationoccursonhydrofoil.Incertainanglesofattack,thecavitationnumberhasanegativeimpactonthelengthofcavitations.Andunderthesameangleofattackandcavitationnumber,thebiggerthethicknessofthehydrofoil,theshorterthecavitationslength.