單管氫化物反應(yīng)器的傳熱研究.pdf

1、；IB375211學(xué)位論文單管氫化物反應(yīng)器的傳熱研究於曉川指導(dǎo)教師孫俊才教授申請(qǐng)學(xué)位級(jí)別工學(xué)碩士專業(yè)名稱載運(yùn)工具運(yùn)用工程學(xué)位授予單位大連海事大學(xué)2007年3月英文摘要StudyonheattransferinsinglehydridetankreactorAbstractWhetherthemetalhydridestoringhydrogentechnologycanbeappliedwidelyisdeterminedbythepe

2、rformanceofmetalhydride，atthesametime，itiscloselyrelatedtothekineticsofheatandmasstransferofhydriding／dehydridingprocessOfthestudiesO咀hydriding／dehydridingprocessinmetalhydridereactortankntmaeriealsimulationcandirectlyre

3、flecttheinfluenceofparametersonreactionkineticsBasedonchangingcomputationparameters，optimaloperatingconditionsandreactordimensionsareavailablcThearticleisbasedonthesinglemetalhydridereactortankpreparedbyacademegroupprevi

4、ouslyallidealgeometryandphysicsmodelismadeByassumption，theprocessofhydridiuginreactorissimplifiedasanexothermicprocessofainnerheatSourCc，thereactionofhydrogenwiththemetalalloyisequivalenttoexothermicprocessofinnerheatsou

5、rcefromuptoendThethicknessofreactorisneglectedTheunsteadytemperaturefieldgovernedequationissetupUsingthecommercialCFDpackageFluentinc，thenumericalsimulationundertakenherehasbeenperformedThroughcomparedtheinnerunsteadytem

6、peraturefieldofdifferenteffectivethermalconductivityreactordimension，porosityandfollowingconclusionsaregained：1TheeffectivethermalconductivityinfluencesthedistributionoftemperatureanditsgradientremarkablyWithbiggereffect

7、ivethermalconductivitythefunctionofcoolingfluidCallbecarriedouteffectively，whichfavorablenessforthechemistryreactionismovingtothepositivedirectionAtthesametime，biggereffectivethermalconductivityCanforceheatdiffuseeasilyT

8、herecyclelifeofhydrogenalloyCanalsobeprolongedwithlittletemperaturegradient2Whentheradiusofcylindricalsinglereactortankreduces，thefunctionofoutwardcoolingfluidismoreevidentButthehydrogenmassdensityreducessimultaneously，w