工学部_研究紹介_2020_英語版

45/80

Separation Technology using Polymer MembranesRyotaroKiyonoMembraneseparationtechnologycanbefoundinvariousindustrialareas.Thetechnologyhasbecomeincreasinglyimportantanditrequiresnewmaterialsandmembranes.Inourlaboratorynovelmembranes(hollowfiberion-exchangemembranes,compositemembranesofpolydimethylsiloxanewithcarbonnanofiber,…)havebeenpreparedusingvariouspolymersandfunctionalmaterials.Transportpropertiesacrossthemembranesareinvestigated.Somescientistssaymembranetechnologyplaysacentralroleinourdailylife.Today,membraneprocessesareusedinawiderangeofindustrialapplications:desalinationofseawater,purificationofmaterials,foodandbeverage,fuelcell,gasseparation,etc.Thenumberofsuchapplicationsisstillgrowingandenvironmentalapplicationsforcleantechnologyareverypromising.AssociateProfessorPolymer Chemistry, Polymer MaterialsPreparation of novel polymer membranes, Analysis of transport mechanism across membranes. The apparatus for membrane separation experiments and a result. Pure liquid was obtained by the separation.Cross-sectional images of hollow fiber ion-exchange polymer membranes prepared in laboratory. Manyundergraduatestudentsadvancetoourgraduateschool.Afterthegraduation,theyworkatcompaniesthatdealwithpolymermaterialsormembraneseparationtechnology.In the FutureAfter GraduationAfter GraduationShigeru KoyamaEveninthefieldofcivilengineering,newmaterialssuchasfiberreinforcedplastic(FRP)andfiberreinforcedconcrete(FRC)areincreasinglyusedtoconstructstructures.Mechanicalcharacteristicsofthesematerialsarenotclearlyunderstood,whentheyareusedforlargestructures.ThereisonlyonebridgeinJapanthatallstructuralmembersaremadewithFRP.Inourlaboratory,werunnumericalsimulationstopredictmechanicalbehaviorsofsuchmaterialsandstructures.Usingthesematerials,weexpecttobeabletodesigncivilstructureswithahighdegree-of-freedomduetotheirsuperiorpropertiessuchaslightweight,flowability,andcorrosionresistance.Furthermore,itwillbepossibletominimizestrainsontheenvironmentinmanufacturingthemifwecanestimatetheoverallmechanicalpropertieswithsomedegreeofaccuracy.AssociateProfessorCurrentSubject:analysisonoverallpropertiesofcompositematerialsandmulti-agentsimulationsincivilengineeringfield.Deformation and stress distribution of hybrid FRP composite I-beam(finite element analysis).Analysis on New Materialsin Civil EngineeringPredictions of average stress-strain relations of SiCw-reinforced 5456Al by our method.Ourgraduatesareworkingaspublicemployees(MLIT,ShizuokaPref.,AichiPref.,OkinawaPref.,ShigaPref.,NakanoCity)andinEastJapanRailwayCompany,NipponCable,TokyuConstruction,andYahagiConstruction,KandoCo.,LTD.In the FutureWaterEnvironment & Civil EngineeringWaterEnvironment & Civil Engineering43