滴流床中流體力學(xué)及氣液傳質(zhì)的實(shí)驗(yàn)研究.pdf

1、北京服裝學(xué)院碩士學(xué)位論文滴流床中流體力學(xué)及氣液傳質(zhì)的實(shí)驗(yàn)研究姓名：陳云磊申請學(xué)位級別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：張吉瑞楊愛英20000101北京服裝學(xué)院碩士論文摘要AbstractAtricklebedreactorexperimentalsetupwasdevelopedtOstudythehydrodynamicsofcatalyticbedwithconcuiTentdownwardgas—liquidflowThebedpre

2、ssuredropandliquidholdupofFX一01catalystwiththreekindsofshapepackedbedweremeasuredbyusingcomputerA仍systemInthetrickleflowandpulseflowfegime，theinfluencesofgasfluxandliquidfluxwereresearchedsystematicallyAtricklebedreactor

3、experimentalsetupwasdevelopedtostudythetWO—phasegas—liquidmasstransferwithconcurrentdownwardgas—liquidflowThisstudyiSaboutthetwo—phasegas—liquidmasstransferwithdifierentratioofcatalystandinertfillerinthetricklebedItcansh

4、owthevariationsoftheliquid—filmmasstransferCOemcientwiththegas，liquidrates，temperatureandtheratioofcatalystandinertfiller1Pressuredropgoesupwiththeincreaseofgasfluxandliquidfluxmorerapidlyinthepulseflowregimethaninthetri

5、ckleflowregime；withtheincreaseintheproportionofinertfilleLpressuredropdiminishes；comparingwiththecatalystofsphereandthreelobedextrudate，thecross—ringcatalystisoftheleastpressure；2Liquidfluxisthemajorfactorthataffectsthel

6、iquidholdup；withtheincreaseintheproportionofinertfiller，liquidholdupincreases；comparingwiththecatalystofsphereandthreelobedextrudate，thecross—ringcatalystisofthemaximumhold—up；3LiquidfluxiSthemajorfactorthataffectstheliq

7、uidfilmmasstransferCOe伍cient；withtheincreaseinthetemperature1iquidfilmmasstransferCOemcientgoesup：whentheratioofcrossringcatalystandinertfilleris1：41iquidfilmmasstransferCO鋤cientiSmaximum；4Thevariationsoftheliquid，filmma

8、sstransfertoemcientwiththegas，liquidrates，temperatureandtheratioofcatalystandinertfillerwereresearchedsystematicallyandcometothecorrelationfunctionofpressuredrop1iquidholdupandliquidwallmasstransfertoefficientKeyWords：嘣e