Numerical Simulation and Shrinkage Defects Prediction of a Turbine Blade Investment Casting-中国Betway体育网页登陆

摘要 ByadoptingthesolidmodelingsoftwareSoldEdgeandtheenmeshmentsoftwareSRIFCastasthepre-processingplatform,aNibasedalloyturbinebladewasthree-dimensionallymodeledandautomaticallyenmeshed.Asoftwarecodefornumericalsimulationoffluidflowandheattransferwasdeveloped.TheXuecriterionandNiyamacriterionwereusedtopredictthepositionoftheshrinkagedefectsoccurringinthesolidificationprocessesoftheturbineblade.TheresultsshowedthatbothXueandNiyamacriteriacouldpreciselypredicttheshrinkagedefectsintheNibasedalloyturbineblade.Thisindicatesthatnumericalsimulationisasignificanttoolinimprovingcastingquality.

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Numerical Simulation and Shrinkage Defects Prediction of a Turbine Blade Investment Casting

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