热障涂层涡轮叶片失败的有限元模拟.pdf

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1、ᄺ᷵ҷো10530ᄺো200699080036ߚ㉏োTB35ᆚ㑻म຿ᄺԡ䆎᭛⛁䱰⍖ሖ⍵䕂৊⠛༅ᬜⱘ᳝䰤ܗ῵ᢳᄺԡ⬇䇋Ҏ˖ঞ୥໲ᣛᇐᬭᏜ˖ᄻ࿍ҝ߽೑ᄺ䰶ৡ⿄˖ϫॸူڛڛԨԨ๞स༰ၝᄺ⾥ϧϮ˖ϫॸࢳ༰ူٝёⷨおᮍ৥˖ఃაැЊϫॸѠ䳊ϔѠᑈѨ᳜Ѡक᮹NumericalSimulationofFailureofTurbineBladewithThermalBarrierCoatingsBasedonFiniteElementMethodCandidateQixingLiuSupervisorandRankProfessorYichunZhouCollegeFacult

2、yofMaterials,OptoelectronicsandPhysicsProgramThermalBarrierCoatingsMaterialsSpecializationMaterialsPhysics&ChemistryDegreeDoctorofEngineeringUniversityXiangtanUniversityDateMay,2012␬╁໻ᄺᄺԡ䆎᭛ॳ߯ᗻໄᯢᴀҎ䚥䞡ໄᯢ˖᠔ਜѸⱘ䆎᭛ᰃᴀҎ೼ᇐᏜⱘᣛᇐϟ⣀ゟ䖯㸠ⷨお᠔পᕫⱘⷨお៤ᵰDŽ䰸њ᭛Ё⡍߿ࡴҹᷛ⊼ᓩ⫼ⱘݙᆍ໪ˈᴀ䆎᭛ϡࣙ৿ӏԩ݊ҪϾҎ៪䲚ԧᏆ㒣থ㸼៪᪄ݭⱘ៤ᵰ԰કDŽᇍᴀ᭛ⱘⷨお

3、خߎ䞡㽕䋵⤂ⱘϾҎ੠䲚ԧˈഛᏆ೼᭛Ёҹᯢ⹂ᮍᓣᷛᯢDŽᴀҎᅠܼᛣ䆚ࠄᴀໄᯢⱘ⊩ᕟৢᵰ⬅ᴀҎᡓᢙDŽ԰㗙ㅒৡ˖᮹ᳳ˖ᑈ᳜᮹ᄺԡ䆎᭛⠜ᴗՓ⫼ᥜᴗкᴀᄺԡ䆎᭛԰㗙ᅠܼњ㾷ᄺ᳝᷵݇⬭ǃՓ⫼ᄺԡ䆎᭛ⱘ㾘ᅮˈৠᛣᄺ᷵⬭ᑊ৥೑ᆊ᳝݇䚼䮼៪ᴎᵘ䗕Ѹ䆎᭛ⱘ໡ॄӊ੠⬉ᄤ⠜ˈܕ䆌䆎᭛㹿ᶹ䯙੠׳䯙DŽᴀҎᥜᴗ␬╁໻ᄺৃҹᇚᴀᄺԡ䆎᭛ⱘܼ䚼៪䚼ߚݙᆍ㓪᭄ܹ᳝݇᥂ᑧ䖯㸠Ẕ㋶ˈৃҹ䞛⫼ᕅॄǃ㓽ॄ៪ᠿᦣㄝ໡ࠊ᠟↉ᄬ੠∛㓪ᴀᄺԡ䆎᭛DŽ⍝ᆚ䆎᭛ᣝᄺ᷵㾘ᅮ໘⧚DŽ԰㗙ㅒৡ˖᮹ᳳ˖ᑈ᳜᮹ᇐᏜㅒৡ˖᮹ᳳ˖ᑈ᳜᮹ᨬ㽕ᨬ㽕⛁䱰⍖ሖᰃϔ⾡Џ㽕⫼ᴹ䍋䱨⛁԰⫼ⱘ䱊⫋⍖ሖˈ䗮ᐌ᳝ⴔ↨䕗Ԣⱘᇐ⛁㋏᭄ˈϔ㠀ࠊ໛೼催⏽䞥ሲ៪ড়

4、䞥ⱘ㸼䴶ˈৃҹ໻ᐙ䰡Ԣ㹿ᡸ෎ᑩⱘ⏽ᑺˈՓᕫড়䞥෎ᑩ㛑Փ⫼೼᳈催ⱘ⏽ᑺᴵӊϟˈҢ㗠ৃҹᦤ催ᴎ఼ⱘ⛁ᬜ⥛ᑊᓊ䭓݊ᇓDŽ⛁䱰⍖ሖⱘᑨ⫼䴲ᐌᑓ⊯ˈབ㟾ぎ㟾໽亲㸠఼ⱘ⛁ッ䚼ӊǃ࣪ᄺ࣪Ꮉ㸠Ϯǃފ䞥ᎹϮҹঞ㛑⑤ᎹϮㄝ䇌໮乚ඳDŽ೼ᅲ䰙ⱘᑨ⫼䖛⿟Ёˈ⛁䱰⍖ሖ㋏㒳ⱘ㒧ᵘϢՓ⫼⦃๗ᕔᕔ䛑䴲ᐌ໡ᴖˈՓᕫ⛁䱰⍖ሖ㋏㒳೼᳡ᕍ䖛⿟Ёⱘᑨ࡯ⓨ࣪Ϣᇓ乘⌟៤Ў⛁䱰⍖ሖⳌ݇ⷨおᎹ԰ⱘ䞡⚍Ϣ䲒⚍䯂乬DŽ಴ℸᴀ᭛ⷨおᎹ԰ⱘ䞡⚍ᰃߚᵤ੠乘⌟⛁䱰⍖ሖ⍵䕂৊⠛㋏㒳೼⛁ᕾ⦃䖛⿟Ёⱘᑨ࡯ⓨ࣪ঞ݊݇䬂ⱘᕅડ಴㋴ˈ᥶㋶⛁䱰⍖ሖᇓ乘⌟ⱘ⧚䆎Ϣᅲ偠ᮍ⊩DŽᴀ䆎᭛ⱘЏ㽕ⷨおݙᆍབϟ˖㄀ϔˈᴀ᭛佪ܜ෎ѢFourier⛁Ӵᇐᅮᕟ੠

5、᳝䰤ܗᮍ⊩ˈߚ߿ᕫࠄњಯሖᑇᵓ῵ൟⱘ⛁䱰⍖ሖ㋏㒳ⱘ〇ᗕ⏽ᑺߚᏗঞ݊䱨⛁ᬜᵰDŽ㒧ᵰ㸼ᯢTBCᡓফњЏ㽕ⱘ⏽ᑺẃᑺˈTGOǃBCǃ෎ᑩ৘ሖݙ⏽ᑺẃᑺ䕗ᇣDŽᴀ᭛῵ᢳњ䱊⫋ሖ८ᑺᇍ⛁䱰⍖ሖ㋏㒳〇ᗕ⏽ᑺⱘߚᏗⱘᕅડˈথ⦄TBC䍞८ˈ೼᳡ᕍ䖛⿟Ё෎ᑩ㸼䴶ⱘ⏽ᑺህ䍞Ԣˈ⛁䱰⍖ሖ㋏㒳ⱘ䱨⛁ᬜᵰ䍞དDŽԚTBCⱘ८ᑺ๲ࡴࠄϔᅮⱘ⿟ᑺৢˈݡ๲ࡴTBCⱘ८ᑺᯊˈ݊䱨⛁ᬜᵰⱘ๲ࡴᰃ䴲ᐌ᳝䰤ⱘDŽᴀ᭛䖬㗗ᆳњᄨ䱭⥛ᇍ⛁䱰⍖ሖⱘ⛁Ӵᇐ㋏᭄ⱘᕅડˈথ⦄ᄨ䱭⥛ᇍ⛁䱰⍖ሖⱘㄝᬜ⛁Ӵᇐ㋏᭄᳝䕗໻ⱘᕅડˈᄨ䱭⥛䍞催ˈ䱊⫋ሖⱘ⛁Ӵᇐ㋏᭄ህ䍞ᇣˈ݊䱨⛁ᬜᵰгህ䍞དˈᴀ᭛ᢳড়ᕫࠄㄝᬜ⛁Ӵᇐ㋏᭄Ϣᄨ䱭⥛ⱘ݇㋏

6、ᓣDŽ㄀Ѡˈᴀ᭛ᇍಯሖᑇᵓ῵ൟ⛁䱰⍖ሖ㋏㒳೼ࠊ໛䖛⿟Ёᔶ៤ⱘ⅟ԭᑨ࡯䖯㸠њ᳝䰤ܗ῵ᢳ䅵ㅫDŽᔧᑇᵓ῵ൟ⛁䱰⍖ሖ㋏㒳Ңࠊ໛⏽ᑺഛࣔދैࠄᅸ⏽ৢˈ৘ሖഛᄬ೼ϡഛࣔⱘ⅟ԭᑨ࡯ˈࠊ໛⏽ᑺ䍞催ˈTBCǃTGOㄝሖݙⱘ߱ྟ⅟ԭᑨ࡯䍞໻DŽTGOݙⱘ⅟ԭय़㓽ᑨ࡯⡍߿໻ˈᰃᇐ㟈⛁䱰⍖ሖ㋏㒳⸈ണⱘЏ㽕ॳ಴Пϔ˗䗮䖛῵ᢳ䅵ㅫথ⦄ˈ䱣ⴔTBCሖ८ᑺⱘ๲ࡴˈTBCǃTGOݙⱘ⅟ԭᑨ࡯䛑᳝ⴔ䗤⏤ޣᇣⱘ䍟࢓DŽᴀ᭛䖬ᇍಯሖᑇᵓ῵ൟ⛁䱰⍖ሖ㋏㒳೼⛁ᕾ⦃䖛⿟Ё࡯ᄺ㸠Ў䖯㸠њ᳝䰤ܗ῵ᢳˈᕫࠄњ㋏㒳৘ሖᑨ࡯ߚᏗঞⓨ࣪ⱘ㾘ᕟˈ㒧ᵰϢ㾷ᵤ㒧ᵰヺড়ᕫ䕗དDŽ㄀ϝˈᴀ᭛ᦤߎњϔ⾡䗖⫼Ѣ⛁䱰⍖ሖ⍵䕂৊⠛㋏㒳ⱘ᳝䰤ܗ

7、ᓎ῵ᮍ⊩ˈ෎Ѣ᳝䰤ܗ䕃ӊϢϝ㓈ᓎ῵䕃ӊˈৃҹ᳝ᬜᓎゟ⛁䱰⍖ሖ⍵䕂৊⠛㋏㒳ⱘ᳝䰤ܗߚᵤ῵ൟ˗ᴀ᭛䖬ᦤߎњϸ⾡⛁䱰⍖ሖ⍵䕂৊⠛ᑨ࡯ⓨ࣪ঞॅ䰽ऎඳⱘ乘⌟I␬╁໻ᄺम຿ᄺԡ䆎᭛ᮍ⊩ˈ㛑໻໻䰡Ԣ᳝䰤ܗߚᵤࠡ໘⧚ⱘ៤ᴀ੠ҎᎹ᪡԰ⱘߎ䫭⥛ˈᦤ催њ乘⌟㒧ᵰⱘޚ⹂ᗻ˗ᴀ᭛䖬㓪ࠊњϔϾ໻᭄Ⳃ⛁ᕾ⦃ᴵӊϟ⛁䱰⍖ሖ᳝䰤ܗߚᵤⱘ䕙ࡽ䕃ӊˈՓᕫ⛁䱰⍖ሖ⍵䕂৊⠛㋏㒳೼໻᭄Ⳃ⛁ᕾ⦃ⱘ᳡ᕍᴵӊϟⱘ᳝䰤ܗ῵ᢳবᕫ↨䕗ᯧѢᅲ⦄ǃᮍᖿ᥋DŽ㄀ಯˈᴀ᭛ᇍ⛁䱰⍖ሖ⍵䕂৊⠛㋏㒳೼᳡ᕍ䖛⿟ⱘᑨ࡯എ䖯㸠њ᳝䰤ܗ῵ᢳˈᕫࠄњ㋏㒳೼⛁ᕾ⦃䖛⿟Ё৘ሖⱘϝ㓈⏽ᑺഎǃԡ⿏എǃᑨ࡯ᑨবⱘⓨ࣪ㄝ㒧ᵰˈৠᯊ෎Ѣ㄀ϔᔎᑺ⧚䆎ᇍ䱊

8、⫋ሖݙॅ䰽ऎඳⱘߚᏗˈेᇍ⍖ሖݙৃ㛑᳔