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1、Contents?！籆hapter1Introduction??????????????????????????·?··111．1Background?????????．??．．．?????．．??????????????????”111．2Ethylenecrackingfurnacemodelingstudiesprogres???????????????”211．3Ethylenecrackingfurnaceoperationoptimizationprogress????????????3I
2、I．4Multi．objectiveoptimizationprogressinchemicalengineeringsimulation．．?．．．．?411．5Optimizethefieldofevolutionarycomputationinprogress．．?．．．．．．．．．?．?．．????5Chapter2Ethylenecrackingfurnacecleaningtubemodeling??????··72．1GK-Vfumacefurnaceprofileandanalysis?????????????????????72．2Cleantubemathematical
3、model???????????????????????????92．2．1Basicassumptions：??????????????????????????????．92．2．2Akineticmodeltbrthecrackingprocess．?．．．．．．．．．．．．．．．．．．．．?．．．．?????．?．．．．．102．2．3Themassbalancemodel．．．???．??．．．．．．．?．．．．．．．．．．．．．．．．．．．．?．．．．．．．．．．．．．??．?．．．．．122．2．4Insideandoutsidethereactiontubeheatthecon
4、stantcalculationmodel．．．．．．142．2．5Conservationofmomentumcalculationmodel．．．?．．．．．．．．???．???．．．．?．．．．．152．3Kumarmodelparameteroptimization．．．?．．．???．．．．．．．．．．．．．．．．．．．．??．??．．．．．．．．．．?．．．．．152．4StrategyandAnalysis．．．．．．?．．．．．．．．．????????．．．．．．．．．．．．．．．．???????．．．．．．???．182．4．1ComputingStrategy．．．．．．
5、．．．．?．??．．?．．．．．．．．．?．．．．．．．．．．．．．????????????”182．4．2Analysis．．．．．．?．．．．．．．．?．．．．．．．．．?．．．．．．?．．??．．．?．．．．．．．．．．．．．．．．．????．．?．．．．．．．?．．．．．．．192．4．3AdjustableoperatingparametersOiltheyieldofthemainproducts．．．．．．．．．．．．．．222．5Summary．．?．．．．．．．．．?．．．．．．．．．．．．．．．．．．．．?．．．．．．．?．．．．?????????????????．?．．
6、．．．26Chapter3Ethylenecrackingfurnacecyclemodel????????????．．273．1Introduction????????????????????????????????????．．273．2Cokingmechanism．．．．．．．．．．．．．．．．．?．．?．．．．．．????．．．．．．．．．．．．．．??．?．?．．．．．???????．．273．3Factorsaffectthecokingphenomenon??????????????????????．．273．4ModelSelectionand????????????????
7、????????????????．283．5ResultsandAnalysis．．．．．．．，，，．．．．．．．．．?．．．．．．．．．．．．．．．．．．．．?．．．???．．?．．??????．．．．．．．．．．．．．．303,6ChapterSummary．．．．．．．．．．．．．．．．．．．．．．．．?．??????．．．?．?????．．?．．．．．．．．．?．．．．．．．．．．．．．．．．33Ch
