学科分类
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1 个结果
  • 简介:Processmodelsareveryusefultocontrolhighefficientindustrialmetallurgicalprocesses.Howevertheiraccuracydependsstronglyonthechoiceofboundaryconditionsandthermodynamicaswellaskineticdataused.WhereasthecommercialdatabaseFactSageorThermocalcisusedasthesourceofthermodynamicdatathekineticparameterarecharacteristicforeachprocessandprocessdesign.Thereforeitisessentialtoestimatethekineticparameterinwelldesignedexperimentssupportedbyusingofnumericalmethods.Inthispaperthesteelmeltflowparameter,gas-meltinterfacialareaandmasstransfercoefficientobtainedin30tindustrialgasstirredladlesaredescribed.Ontheexampleofnitrogenabsorptionanddesorptionthepredictiveprocessmodelfornitrogencontrolwhileladletreatmentanddecarburisationprocessispresentedfordifferentsteelalloys.Themodellingresultsarecomparedwithresultsfromindustrialprocesses.

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