氣液固三相流化床脫膠性能及其顆粒碰撞壓力的非線性分析.pdf

1、（題目：氣液固三相流化床脫膠性能及其顆粒碰撞壓力的非線性分析英文題目：目：氣液固三相流化床脫膠性能及其顆粒碰撞壓力的非線性分析英文題目：Themechanismofdegummingwithgasliquidsolidfluidizedbedanalysisofparticlecollidingfce研究生：石瑞文研究生：石瑞文學(xué)科名稱：化工過(guò)程機(jī)械學(xué)科名稱：化工過(guò)程機(jī)械指導(dǎo)教師：白競(jìng)平高級(jí)工程師指導(dǎo)教師：白競(jìng)平高級(jí)工程師吉仁塔布教授吉

2、仁塔布教授二○○七年五月二○○七年五月碩士學(xué)位論文碩士學(xué)位論文分類號(hào):學(xué)校代碼:10128分類號(hào):學(xué)校代碼:10128UDC:學(xué)號(hào):20041251學(xué)號(hào):20041251AbstractAbstractGasliquidsolidfluidizedbedhasbeenaplliedextensivelybecauseithavethebelowadvatages:largecontactareainthephasewelldistrib

3、utedregularinthephasecontrollingthetemperatureeasily.wewilladoptthegasliquidsolidfluidizedbedtoextracttheartemisiaseedgum(ASG)fromtheartemisiaseed(AS).Asaplantindroughtresistancesfixationartemisiaextensivelyexiststhewest

4、ofInner.ThereisakindofgumthathasgoodwaterabsptioninthesurfaceofMongoliaNingxiaGanSu.Artemisiaseedthecoliswhitecanarynosmellcanbeswelledquicklytoanivywhitetranslucenceliquid.Artemisiaseedgumappliedtofoodmachinechemicalind

5、ustrysdefensewindly.Itisanaturalthickeningagentadditioninfoodindustry.Theprocessconditionofextractingartemisiaseedgum(ASG)hasconfirmedbyexplingexperiment.Atthecompletefluidizationthetimeseriesofparticlecollidingfceismeas

6、uredbypressurestraingaugeCM1J32digitalstaticalstrainindicatatdifferentoperationconditions.Tounderstthevariationofparticlecollidingfcevsoperationconditionsingasliquidsolidfluidizedbedthestatisticmethodisused.Thevariationo

7、fparticlecollidingfcevsoperationgasvelocityaxialradialpositionsismainlydiscussed.Theresultshowthatthesinglesofparticlecollidingfceisprobablychaotic.Thechaosacteristicparameterssuchaslyapunovexponentkolmogoventropywhichar

8、edrawnoutfromthetimeseriesofparticlecollidingfcequantitativelydescribethecomplexityofthegassolidfluidizedbedkiicsystem.Thevariationofchaosacteristicparametersvsoperationgasvelocityaxialradialpositionsismainlyanalyzed.The

9、resultfromaboveanalysisrevealthatthegasliquidsolidfluidizedbedhavetheplusofrelevantdimentionlyapunovexponentkolmogoventropysothegasliquidsolidfluidizedbedischaos.Baseofthedistributionofchaoticparamentingasliquidsolidflui

10、dizedbedthebottomthecentralofgasliquidsolidfluidizedbedisverycomlexed.Soweshouldmonitthebottomhecentralofthefluidizedbed.Itprovidedthebasisofdegummingithasimptantvalueinstructmeaning.KeywdKeywd：Gasliquidsolidfluidizedbed