简介：Duringthedesignandconstructionofthedeepwateroffshorebasin,itscurrentgenerationsystemisconsideredtobeoneofthekeytechnologies.Inthisarticle,thestate-of-the-artdeepwateroffshorebasinatShanghaiJiaotongUniversitywasexaminedasacasestudy.Different3-Dnumericalmodelsofthecurrentgenerationsystemweredevelopedandcalculated.Theuniformityofflowfieldinthebasin,suchashorizontalandverticalcurrentvelocityprofiles,werecalculatedindetail.Besides,a1:10scaledmodeltestwasalsocarriedout.Thecurrentvelocitiesatdifferentlocationsinthebasinweremeasuredandcomparedwiththecalculatedresults.Itisconcludedthatsatisfactoryagreementcanberesultedbetweenthenumericalsimulationandmodeltest.Inaddition,itissuggestedthattransitionsectionsandturningvanesneedtobesetininflowandoutflowculvertstoimprovetheuniformityofflowfieldinthebasin.Andthehydraulicperformanceofthedeepwatercurrentgenerationsystemcanmeettherequirementsofmodeltestsindeepwater.

简介：Alongwiththeflourishingofthewindenergyindustry,floatingoffshorewindturbineshavearousedmuchinterestamongtheacademiaaswellasenterprises.Inthispaper,theeffectsofthesupportingplatformmotionontheaerodynamicsofafloatingwindturbinearestudiedusingtheopensourceCFDframeworkOpenFOAM.Theplatformmotionresponses,includingsurge,heaveandpitch,aresuperimposedontotherotationofthewindturbine.Thrustandtorqueonthewindturbinearecomparedandanalysedforthecasesofdifferentplatformmotionpatternstogetherwiththeflowfield.Itisshownthatthemovementofthesupportingplatformcanhavelargeinfluencesonafloatingoffshorewindturbineandthusneedstobeconsideredcarefullyduringthedesignprocess.