扭曲舵的水動(dòng)力性能研究.pdf

1、哈爾濱工程大學(xué)碩士學(xué)位論文扭曲舵的水動(dòng)力性能研究姓名：齊慧博申請學(xué)位級別：碩士專業(yè)：艦船與海洋結(jié)構(gòu)物設(shè)計(jì)制造指導(dǎo)教師：胡健201103手H曲舵的水動(dòng)力性能研究AbstractRecently，withtheinternationalenergysourceprobleminseriouslack，Energysavingbecomesalong—rangestrategicmissionintheeconomydevelopmentSh

2、ipistheoneofthemaintransports，whoseenergy—savingtechnologieshavebeenpaidmoreattentionWithlowcost，easyinstallationandetc，Energy—savingappendagesarewidelyappliedAnewenergysavingappendageskewrudderwasstudiedinthethesiswhich

3、canimprovepropeleffectbyskewingtheprofileofruddertofitthevelocityfieldafterpropellerThemaincontentsofthethesisareasfollows：ThebasictheoryofCFDmethodwasintroducedThesteadyandunsteadyperformancesofopenpropellerandpropeller

4、rudderinterferencewerecalculatedbyFLUENTComparingwithtestvalues，themethodwasconfirmedThevelocityfieldofpropellerandruddersystemwasstudiedatthesametime；Surfacepanelmethodwasintroducedtosolvepropellerandpropellerruddersyst

5、emproblemOpenpropellerperformanceandpropellerrudderinterferenceperformanceⅥ撇calculatedagainbythismethodThecomputedresultsagreefairlywell、柝tllCFDresultsandtheexperimentaldataThevelocityfieldofopenrudderandrudderafterprope

6、llerⅥ陀reanalyzed；Accordingtotheworkingprincipleofskewrudderandthevelocityfieldafterpropeller，skewruddermodelWasdesignedTheCFDmethodandsurfacepanelmethodwereappliedtopredictthehydrodynamicperformanceofpropellerandskewrudd

7、ersystemMeanwhile，thecavitationperformanceofnormalrudderandskewrudderwerestudiedTheoreticalstudieshaveshownthattheenergy—savingeffectandcavitationperformanceofskewrudderarebetterthannormalrudderKeywords：energysaving；skew