超高速磨削砂輪氣流場的仿真分析.pdf

1、碩士學位論文THESTSFORMAS711ERSDEGREE論I!=!=題目超高速磨削砂輪氣流場的仿真分析作者學院專業(yè)指導教師備注沈燁桃械：[程與自動化學院機械制造及其自動化王宛山教授東北大學碩士學位論文AbstractSimulationAnalysisontheAirflowofSuperHighspeedGrindingWheelAbs仃actThesuperhighspeedgrindinghasincorporatedhi曲e

2、fficiencyandmachiningqualityItisveryhighefficienttothegrindingofdifferentkindsofmaterialsAstheresultthesuperhighspeedgrindingtechniqueisthenewestwhichispraisedasthezenithofmoderngrindingtechniqueThegrindingwheelvelocityh

3、asbeenmuchincreasedinthesuperhighspeedgrindingcomparedwithordinarygrindingprocessAlthoughthesuperhighspeedgrindinghasbrought、jI，i也theascendantperformance，thereIjesometechnicalproblemsproducedbyitOneofthemisthegasbarrierw

4、hichbecomesthebottlenecktechniqueoftheapplianceofsuperhighspeedgrindingatpresentThispaperhasdealwithsimulationoilthebasicoftheorywhichkernelissuperhighspeedgrindingTheprimarystudyworkincludestheseseveralaspect：(1)Analysi

5、sthesketchofthedevelopmentofthetechnique，thepracticalapplianceandthenewestachievementinandoutofdomesticReviewsyntheticallythestudymethodsitsdevelopmentandthepertinenttheoryoftheairflowfieldaroundthesuperhighspeedgrinding

6、wheelanddiscussthemeaningofthesubject(2)Integrated、)l，itllcomputationalfluiddynamics(CFD)andbyusingthesoftwareCFXtheairflowinthreedimensionshasbeensimulatedincomputerandinvestigatedThesimulationsolutionisclose協(xié)theresearc

7、h，whichhasprovidedthemethodforthesimulationstudyofthesuperhighspeedairflowfield(3)Onthebasisofanalysisintheoryandexperiment，usesoftwaresuchasVC、TecplottodealwithdatagatheredbyPIVequipmentintheexperimentandconverttheminto

8、dhartofvelocityinthreedimensionindifferentsectiOIlSTheexperimentsolutionhasbeencomparedsyntheticallyandanalyzedandvalidatetheanalysisintheoryandsimulationstudyinthepaper(4)Synthesizethetheoryanalysisstudiesinthepaper，SOt