基于流体体积模型的软性磨粒流数值模拟和实验研究硕士学位论文

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1、⺋༡ᆜփ䇰ᮽ䇰ᮽ从ⴤφะӄ⍷։։〥⁗ශⲺ䖥ᙝ⼞㋈⍷ᮦٲ⁗ᤕ਀ᇔ僂⹊ガᆴრༀ੠൹Ϗᄗӽ߽ಝޙನਫ਼߽೑Åहཙδ،ཙࡎၔ༰ࢳᅥྜٝᆐԨ໠ёൎၽ༰ၝٝ໠ё༰ၝඔ߬ఐ୙2010ᒤ12ᴸ⎏⊕ᐛѐཝᆜ⺋༡ᆜփ䇰ᮽะӄ⍷։։〥⁗ශⲺ䖥ᙝ⼞㋈⍷ᮦٲ⁗ᤕૂᇔ僂⹊ガᆴრༀ੠ġ൹Ϗᄗӽ߽ಝġޙನਫ਼߽೑Åहཙδ،ཙࡎၔფߞٝ໠༰Ӗྜٝё༰ၝ2010ભ12ၥDissertationSubmittedtoZhejiangUniversityofTechnologyfortheDegreeofMasterNumericalSimulationandExperimentalSt

2、udyofSoftnessAbrasiveBasedonVolumeofFluidModelCandidate:TangBoAdvisor:ProfessorJiShimingAssociateResearcherLiYanbiaoCollegeofMechanicalEngineeringZhejiangUniversityofTechnologyDec2010⎏⊕ᐛѐཝᆜᆜփ䇰ᮽ৕ࡑᙝ༦᱄ᵜӪ䜁䟽༠᰾˖ᡰᨀӔⲴᆖս䇪᮷ᱟᵜӪ൘ሬᐸⲴᤷሬлˈ⤜・䘋㹼⹄ウᐕ֌ᡰਆᗇⲴ⹄ウᡀ᷌DŽ䲔᮷ѝᐢ㓿࣐ԕḷ⌘ᕅ⭘Ⲵ޵ᇩཆˈᵜ䇪᮷нवਜ਼ަԆњӪᡆ䳶փᐢ㓿ਁ㺘ᡆ

3、᫠߉䗷Ⲵ⹄ウᡀ᷌ˈҏнਜ਼Ѫ㧧ᗇ⎉⊏ᐕъབྷᆖᡆަᆳᮉ㛢ᵪᶴⲴᆖս䇱Җ㘼⭘䗷ⲴᶀᯉDŽሩᵜ᮷Ⲵ⹄ウ֌ࠪ䟽㾱䍑⥞ⲴњӪ઼䳶փˈ൷ᐢ൘᮷ѝԕ᰾⺞ᯩᔿḷ᰾DŽᵜӪ᢯ᣵᵜ༠᰾Ⲵ⌅ᖻ䍓ԫDŽ֌㘵ㆮ਽˖ᰕᵏ˖ᒤᴸᰕᆜփ䇰ᮽ⡾ᵹ⭞ᦾᵹҜᵜᆖս䇪᮷֌㘵ᆼޘҶ䀓ᆖṑᴹޣ؍⮉ǃ⭘ᆖս䇪᮷Ⲵ㿴ᇊˈ਼᜿ᆖṑ؍⮉ᒦੁഭᇦᴹޣ䜘䰘ᡆᵪᶴ䘱Ӕ䇪᮷Ⲵ༽ঠԦ઼⭥ᆀ⡸ˈ䇨䇪᮷㻛ḕ䰵઼ُ䰵DŽᵜӪᦸᵳ⎉⊏ᐕъབྷᆖਟԕሶᵜᆖս䇪᮷Ⲵޘ䜘ᡆ䜘࠶޵ᇩ㕆ޕᴹޣᮠᦞᓃ䘋㹼Ự㍒ˈਟԕ䟷⭘ᖡঠǃ㕙ঠᡆᢛ᧿ㅹ༽ࡦ᡻⇥؍ᆈ઼≷㕆ᵜᆖս䇪᮷DŽᵜᆖս䇪᮷኎Ҿ1ˊ؍ᇶƶˈ൘______ᒤ䀓ᇶਾ䘲⭘ᵜᦸᵳҖDŽ2ˊн؍ᇶ

4、ƶDŽ˄䈧൘ԕк⴨ᓄᯩṶ޵ᢃ³√”˅֌㘵ㆮ਽˖ᰕᵏ˖ᒤᴸᰕሬᐸㆮ਽˖ᰕᵏ˖ᒤᴸᰕ⎉⊏ᐕъབྷᆖ⺅༛ᆖս䇪᮷ะӄ⍷։։〥⁗ශⲺ䖥ᙝ⼞㋈⍷ᮦٲ⁗ᤕૂᇔ僂⹊ガ᪎㾷䲿⵰䴦Ԧᗞරॆ㾱≲Ⲵнᯝᨀ儈ˈሩ⁑ާ㺘䶒৺⁑ާ⍱䚃Ⲵ㺘䶒䍘䟿㾱≲䎺ᶕ䎺儈DŽ⭡Ҿ⁑ާ㔃ᶴѝབྷ䟿⎹৺⋏ǃǃᆄǃἡḡǃἡ䭕ǃゴ㕍ㅹᰐ⌅⭘ᐕާ䘋㹼࣐ᐕⲴ㔃ᶴॆ㺘䶒DŽ⭡Ҿ⼘㋂⍱ਟԕᖒᡀ㢟ྭⲴԯᖒ᧕䀖ˈഐ↔൘⁑ާ㔃ᶴॆ㺘䶒࣐ᐕѝާᴹ⤜⢩ⲴՈ࣯ˈ㾱ᔴ␵⼘㋂⍱Ⲵ⍱ࣘᛵߥ઼䘀ࣘ⢩ᙗˈᵜ᮷ᨀࠪа⿽䟷⭘䘀ࣘ⭼䶒䘭䑚ᢰᵟⲴ⍱փփ〟⁑රᶕ࠶᷀䖟ᙗ⼘㋂⍱Ⲵ䘀ࣘ⍱൪DŽᵜ᮷䙊䗷࠶᷀㓖ᶏ⍱䚃ѝঅ仇⼘㋂઼⼘㋂㗔Ⲵ䘀ࣘ⢩ᙗ઼⼘㋂⍱о

5、໱䶒Ⲵ֌⭘ᯩᔿˈᔪ・Ҷ䖟ᙗ⼘㋂⍱Ⲵᶀᯉ৫䲔⦷Prestonᯩ〻ˈሩ㓖ᶏ⍱䚃ѝ䖟ᙗ⼘㋂⍱Ⲵ䘀ࣘᛵߥ䘋㹼ᮠ٬⁑ᤏˈ亴⍻Ҷ䘁໱४䖟ᙗ⼘㋂⍱Ⲵᶀᯉ৫䲔㜭࣋ˈᴰਾ䙊䗷ᇎ傼оԯⵏ㔃᷌∄䖳ˈє㘵สᵜ੫ਸˈӾ㘼傼䇱Ҷᵜ᮷ᔪ・ᮠ٬⁑රⲴᴹ᭸ᙗDŽᵜ᮷Ⲵѫ㾱ᐕ֌ྲл˖(1)䇪䘠Ҷ䖟ᙗ⼘㋂⍱Ⲵ࣐ᐕ৏⨶৺ަՈ࣯ˈ࠶᷀Ҷ䖟ᙗ⼘㋂⍱൘㓖ᶏ⍱䚃ѝⲴ֌⭘ᯩᔿˈᗇࡠҶ䖟ᙗ⼘㋂⍱ᶀᯉ৫䲔⦷ⲴPrestonᯩ〻DŽ(2)ᔪ・ࠐօ⁑රˈሩ䖟ᙗ⼘㋂⍱㓖ᶏ⍱䚃Ⲵ䘀ࣘᛵߥ䘋㹼Ҷᮠ٬⁑ᤏˈ亴⍻Ҷ䘁໱४䖟ᙗ⼘㋂⍱Ⲵᶀᯉ৫䲔㜭࣋DŽ䙊䗷ਸ⨶䇮䇑о׍⅑䝽ਸ⭘㓖ᶏ⁑ඇˈᗇࡠҶ䖟ᙗ⼘㋂⍱Ⲵ䘁໱४൷㺑Ⲵᶀᯉ৫

6、䲔⦷ᴢ㓯ˈ⭡↔ਟԕᨀ儈ᐕԦ㺘䶒Ⲵ࣐ᐕ䍘䟿DŽ(3)ᔪ・Ҷ⭘Ҿ䖟ᙗ⼘㋂⍱⁑ާ㔃ᶴॆ㺘䶒࣐ᐕⲴᇎ傼ᒣਠˈᴰᇎ傼㔃᷌傼䇱Ҷ䖟ᙗ⼘㋂⍱࣐ᐕⲴਟ㹼ᙗ઼ᴹ᭸ᙗˈ਼ᰦҏ䈤᰾ᮠ٬⁑ᤏⲴ↓⺞ᙗˈᮠ٬⁑ᤏ㔃᷌Ѫ␡ޕ⹄ウ䖟ᙗ⼘㋂⍱Ⲵสᵜ㿴ᖻᨀ׋а⿽⨶䇪ᐕާDŽީ䭤䈃˖䖟ᙗ⼘㋂⍱ˈ⁑ާˈ㋮ᇶ࣐ᐕˈ⍱փփ〟⁑රˈᮠ٬⁑ᤏIABSTRACTNUMERICALSIMULATIONANDEXPRIMENTALSTUDYOFLIQUID-SOLIDSOFTNESSABRASIVEBASEDONVOLUMEOFFLUIDMODELABSTRACTWiththeincreasingde

7、mandofminiaturizationofcomponent,highrequirementsofmouldsurfaceandflowchannelqualityhasbeenbrought.Withmanygrooves,holes,prisms,pyramids,narrowslitsandsooninthemould,thestructuralsurfacecannotbemachinedbytools..Sinceabrasiveflowcanbeshapedwellbytheprofile,whileisapplyingtopo

8、lishthestructuralsurfaceofmould,theabrasiveflowhasitsuniqueadvantage.Inorde