超高速磨削砂輪氣流場的仿真分析.pdf

1、碩士學(xué)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(xué)院專業(yè)指導(dǎo)教師備注沈燁桃械：[程與自動化學(xué)院機(jī)械制造及其自動化王宛山教授東北大學(xué)碩士學(xué)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