文档介绍：ϡৠᑳ⇨ᕾ⦃ᮍᓣϟℷϕ䝛-≑⊍থࡼᴎ➗
⚻/ᥦᬒ⡍ᗻ
bustion / Emission Characteristics of a Spark Ignition Engine Fuelled with n-Butanol- gasoline Blends
with the Admission of Exhaust Gases through Different Routes
ᄺ⾥ϧϮ˖ࡼᎹ
ⷨお⫳˖Ҭ䲾䴦
ᣛᇐᬭᏜ˖ԩ䙺ܼࡃᬭᥜ
⋹ᄺᴎẄᎹᄺ䰶Ѡ䳊ϔѠᑈकѠ᳜
⣀߯ᗻໄᯢ
ᴀҎໄᯢ᠔ਜѸⱘᄺԡ䆎᭛ᰃᴀҎᇐᏜᣛᇐϟ䖯㸠ⱘⷨおᎹপᕫⱘ
ⷨお៤ᵰˈ䰸њ᭛Ё⡍߿ࡴҹᷛ⊼㟈䇶П໘ˈ䆎᭛Ёϡࣙ݊ҪҎᏆ㒣থ㸼
᪄ݭ䖛ⱘⷨお៤ᵰˈгϡࣙЎ㦋ᕫඟࠣӖ༰݊Ҫᬭ㚆ᴎᵘⱘᄺԡ䆕к㗠Փ⫼䖛ⱘᴤ᭭DŽϢ៥ϔৠᎹⱘৠᖫᇍᴀⷨお᠔خⱘӏԩ䋵⤂ഛᏆ䆎᭛Ё
њᯢ⹂ⱘ䇈ᯢᑊ㸼⼎њ䇶ᛣDŽ
ᄺԡ䆎᭛㗙ㅒৡ˖ ㅒᄫ᮹ᳳ˖ ᑈ ᳜ ᮹
ᄺԡ䆎᭛⠜ᴗՓ⫼ᥜᴗк
ᴀᄺԡ䆎᭛㗙ᅠܼњ㾷ඟࠣӖ༰ֱ᳝݇⬭ǃՓ⫼ᄺԡ䆎᭛ⱘ㾘ᅮDŽ
⡍ᥜᴗඟࠣӖ༰ৃҹᇚᄺԡ䆎᭛ⱘܼ䚼䚼ߚݙᆍ㓪᭄ܹ᳝݇ᑧ䖯㸠Ẕ
㋶ˈᑊ䞛⫼ᕅॄǃ㓽ॄᠿᦣㄝࠊ↉ֱᄬǃ∛㓪ҹկᶹ䯙׳䯙DŽৠᛣᄺ᷵
ᆊ᳝݇䚼䮼ᴎᵘ䗕Ѹ䆎᭛ⱘॄӊ⺕ⲬDŽ
˄ֱᆚⱘᄺԡ䆎᭛㾷ᆚৢ䗖⫼ᴀᥜᴗ䇈ᯢ˅
ᄺԡ䆎᭛㗙ㅒৡ˖ ᇐᏜㅒৡ˖
ㅒᄫ᮹ᳳ˖ ᑈ ᳜ ᮹ ㅒᄫ᮹ᳳ˖ ᑈ ᳜ ᮹
ᨬ 㽕
ᑳ⇨ݡᕾ⦃˄EGR˅㛑᳝ᬜഄ䰡Ԣ≑⊍ᴎⱘ NOx ᥦᬒˈᑊ㛑ϔᅮᑺϞᬍ≑⊍ᴎ䚼ߚ䋳㥋ϟⱘ➗⊍㒣⌢ᗻDŽԚᰃ EGR ⥛ᇣফ䰤Ѣথࡼᴎⱘᕾ⦃বࡼ⥛DŽℸˈᢧሩ≑⊍ᴎⱘ EGR ⥛㣗ೈᰃ᳝ᛣНⱘDŽ⫳⠽ϕ䝛ेℷϕ䝛ᰃϔ
⾡ৃݡ⫳ⱘ⇻➗᭭DŽ߽⫼ℷϕ䝛䚼ߚ᳓ҷ≑⊍ᇍѢ㡖㑺⊍䌘⑤ˈޣᇥথࡼᴎⱘᥦᬒ᳝⿃ᵕⱘ⫼DŽЎℸˈᴀ᭛䆒䅵њ EGR ߚሖ㋏㒳ҹᠽሩ≑⊍ᴎⱘ EGR ⥛㣗ೈˈᑊⷨおњᑇഛ᳝ᬜय़Ў EGR ᮍᓣᇍ≑⊍ᴎ➗⚻乫㉦
⠽ᥦᬒ⡍ᗻⱘᕅડℷϕ䝛-≑⊍➗᭭থࡼᴎ➗⚻⡍ᗻˈᕫߎབϟ㒧䆎˖
ঠ⇨䘧䖯ぎ⇨ˈ1500r/min ᯊˈEGR ᮍᓣᇍ≑⊍ᴎⱘ➗⚻〇ᅮᗻ᳝ϡৠⱘᕅડDŽߚሖ EGR ϟথࡼᴎⱘ➗⚻〇ᅮᗻ↨ᘏㅵ EGR ᮍᓣϟⱘ EGR ⥛㣗ೈˈᑊϨᣛ⼎⛁ᬜ⥛䕗DŽ
ঠ⇨䘧䖯ぎ⇨ˈ1500rpm 䖛䞣ぎ⇨㋏᭄Ў - ᯊˈ➗⫼≑⊍ᯊথࡼᴎऩԡԧ⿃ݙⱘḌᗕ乫㉦⿃㘮ᗕ乫㉦ⱘ᭄䞣㸼䴶⿃䱣ⴔ䖛䞣ぎ⇨㋏᭄ࡴ㗠䰡ԢˈᑊϨ¬= ᯊ⿃㘮ᗕ乫㉦᭄䞣䖥Ѣ䳊DŽ¬= ᯊˈ≑⊍ᴎऩԡԧ⿃ݙⱘḌᗕ乫㉦᭄䞣㸼䴶⿃䱣ⴔ EGR ⥛ⱘࡴ㗠䰡Ԣˈ㗠ϨⳌৠ EGR ⥛ϟˈߚሖ EGR ᮍᓣϟˈᥦ⇨ЁḌᗕ乫㉦᭄䞣⌧ᑺ↨ᘏㅵ EGR
ᴵӊϟⱘ催DŽ
ߚሖ EGR ᘏㅵ EGR ϟˈⳌৠ EGR ᯊऩ⇨䘧䖯ぎ⇨ᯊথࡼᴎⱘᣛ⼎⛁ᬜ⥛↨ঠ⇨䘧䖯ぎ⇨ᯊⱘ催DŽᘏㅵ EGR ᮍᓣϟˈऩ⇨䘧䖯ぎ⇨ᯊথࡼᴎ〇ᅮ
➗⚻ⱘ EGR 㣗ೈϢঠ⇨䘧䖯⇨ᯊⱘⳌ䖥ˈ㗠ߚሖ EGR ᮍᓣϟˈऩ⇨䘧䖯ぎ⇨ᯊথࡼᴎ〇ᅮ➗⚻ⱘ EGR ⥛㣗ೈ↨ঠ⇨䘧䖯ぎ⇨ᯊⱘᆑDŽ
1500 r/minǃऩ䖯⇨䘧䖯ぎ⇨ᴵӊϟˈߚሖ EGR ᘏㅵ EGR ϟˈ➗⫼ᦎ
⏋ 30%ℷϕ䝛-≑⊍⏋ড়➗᭭˄Bu30˅থࡼᴎⱘᣛ⼎⛁ᬜ⥛↨➗⫼≑⊍ᯊⱘ催DŽ
݊Ёˈᘏㅵ EGR ᮍᓣϟ➗⫼≑⊍ᯊথࡼᴎ〇ᅮ➗⚻ⱘ EGR ⥛㣗ೈ᳔じˈߚሖ
EGR ➗⫼ Bu30 ᯊথࡼᴎ〇ᅮ➗⚻᠔ᇍᑨⱘ EGR ⥛㣗ೈ᳔ᆑDŽ
ऩ䖯⇨䘧䖯ぎ⇨ˈߚሖᘏㅵ EGR ϟˈ➗⫼ Bu30 থࡼᴎ 2000 r/min ϟⱘᣛ⼎⛁ᬜ⥛催Ѣ 1500r/min ϟⱘˈԚᰃ≑⊍ᴎ催䕀䗳ϟ㛑〇ᅮ➗⚻ⱘ EGR ⥛㣗ೈᇣˈϨߚሖ EGR ϟথࡼᴎ〇ᅮ➗⚻ⱘ EGR ⥛㣗ೈϟ䰡ⱘᐙᑺDŽߚሖ EGR ᮍᓣϟ≑⊍ᴎᆍᖡᑳ⇨ぎ⇨⿔䞞ⱘ㛑↨ᘏㅵ EGR ᮍᓣϟⱘᔎDŽ
݇䬂䆡˖ᑳ⇨ݡᕾ⦃≑⊍ᴎℷϕ䝛ߚሖᖂ㉦
ABSTRACT
Exhaust gas recirculation (EGR) can effectively reduce NOx emissions from spark ignition (SI) gasoline engines and can improve the fuel economy of SI gasoline engines at part loads at a certain extent. However, the amount of EGR is limited by the coefficient of variation of indicated mea