Trapped Vortex Combustor 䈮䉋䉎 NOx ૐᷫᛛⴚ䈱㐿⊒⎇ⓥઍ⴫⠪㩷 ᘮᙥ⟵ႶᄢቇℂᎿቇㇱᯏ᪾Ꮏቇ⑼㩷 ኾછ⻠Ꮷ㩷 ᮮ᫪㩷 ೰౒ห⎇ⓥ⠪㩷 ᘮᙥ⟵ႶᄢቇℂᎿቇㇱᯏ᪾Ꮏቇ⑼㩷 ᢎ᝼㩷 㩷 㩷 㩷 ᬀ↰㩷 ೑ਭ1. ✜⸒࿾⃿᷷ᥦൻ䉇ᄢ᳇ᳪᨴ䈭䈬䋬ⅣႺᕈ䈻䈱㈩ᘦ䉇ᱷሽ⾗Ḯ╬䈱໧㗴䈎䉌⣕ൻ⍹Άᢱ䈱ᵹ䉏䈏ᄢ䈐䈇䈏䋬䉣䊈䊦䉩䊷䈱቟ቯଏ⛎䈱䈢䉄䈮䈲ൻ⍹Άᢱ䈮㗬䉌䈙䉎䉕ᓧ䈭䈇⃻⁁䉕〯䉁䈋䉎䈫䋬䉮䊷䉳䉢䊈䊧䊷䉲䊢䊮䉲䉴䊁䊛䈭䈬䈱ൻ⍹Άᢱ䈱᦭ല೑↪ᛛⴚ䈱⊒ዷ䈫᥉෸䈏ᦸ䉁䈚䈇䋮䈠䈱ਛ䈪䉅᥉෸䈮ᄢ䈐䈭ᓇ㗀䉕෸䈿䈜ⅣႺᕈ䋬⚻ᷣᕈ䈱ᡷༀ䈮䈲Ά὾ེ䈱ᨐ䈢䈜ᓎഀ䈲ᄢ䈐䈒䋬Ά὾ᛛⴚ䈱ะ਄䈲ᕆോ䈪䈅䉎䋮ᄢ᳇ᳪᨴ‛⾰䈱৻䈧䈪䈅䉎⓸⚛㉄ൻ‛(NOx)䈱ᄢඨ䈲䋬ൻ⍹Άᢱ䈱Ά὾䉕⿠Ḯ䈫䈚䈩⊒↢䈚䈩䈇䉎䈢䉄䋬Ά὾ⵝ⟎䈮䈍䈔䉎 NOx ૐᷫᛛⴚ䈱㐿⊒䈲㊀ⷐ䈭⺖㗴䈱৻䈧䈫䈭䈦䈩䈇䉎 1)䋮⊒㔚ᚲ䈭䈬䈮䈅䉎ᄢⷙᮨ䈭Ά὾ⵝ⟎䈮䈍䈇䈩䈲䋬⣕⎣ⵝ⟎䈮䉋䉎Ά὾ឃ᳇䉧䉴䈱ᓟಣℂ䈮䉋䈦䈩ᄢ᳇䈻䈱 NOx ᡼಴䉕㒐䈇䈪䈇䉎䈏䋬⥶ⓨᯏ↪䉣䊮䉳䊮䉇ಽᢔဳ⊒㔚䉲䉴䊁䊛䈭䈬䈮↪䈇䉌䉏䉎ਛዊဳ䉧䉴䉺䊷䊎䊮䈪䈲䋬⸳⟎䉴䊕䊷䉴䉇ㆇ↪䉮䉴䊃䈱໧㗴䈎䉌⣕⎣ⵝ⟎䈫䈇䈦䈢ᓟಣℂ䉲䉴䊁䊛䉕೑↪䈜䉎䈖䈫䈏㔍䈚䈇䋮䈠䈖䈪䋬Ά὾⁁ᘒ䈱ᡷༀ䈮䉋䉍 NOx 䈱⊒↢䉕ᛥ೙䈜䉎ᛛⴚ䈏㊀ⷐ䈫䈭䉍䋬⒳䇱䈱ᚻᴺ䈏ឭ᩺䊶೑↪䈘䉏䈩䈇䉎 2)䋮䈠䈱ਛ䈪䉅䋬RQL Ά὾䋨Rich-Quick mixing-Lean(ㆊỚ䊶ᕆㅦᷙว䊶Ꮧ⭯)Ά὾䋩䉕೑↪䈚䈢 2 ᲑΆ὾ᣇᑼ䈏 NOx 䈱ૐᷫ䈮᦭ല䈪䈅䉎䈫䈚䈩㐿⊒䈏ㅴ䉄䉌䉏䈩䈇䉎 3) - 6)䋮䈖䈱ᣇᑼ䈪䈲䋬䉁䈝䋬╙ 1 Ბ䈱ㆊỚΆ὾䈪䈲ㆊ೾Άᢱ⿠Ḯ䈱ᵴᕈၮ䈮䉋䈦䈩NOx 䈱ㆶర૞↪䈏௛䈐䋬NOx ↢ᚑ䉕ᛥ䈋䉎䋮䈠䈱ᓟ䋬ㆊ೾䈮૛䈦䈢ᧂΆΆᢱಽ䈻ⓨ᳇䉕ᕆㅦᷙว䈜䉎䈖䈫䈪䋬Ꮧ⭯Άᢱ䊶ⓨ᳇੍ᷙว᳇䉕ᒻᚑ䈘䈞䋬╙ 2 Ბ䈪Ꮧ⭯Ά὾䉕ⴕ䈉䋮䈖䈱╙ 2 Ბ䈱Ꮧ⭯Ά὾䈪䈲䋬Ά὾෻ᔕ䈏Ყセ⊛ૐ᷷䈪ㅴⴕ䈜䉎䈢䉄䋬Thermal NOx 䈱↢ᚑ䉕ᛥ೙䈜䉎䈖䈫䈎䉌䋬⚿ᨐ䈫䈚䈩䋬✚ว⊛䈮 NOx ឃ಴㊂䈲ዋ䈭䈒䈭䉎䈫䈇䈉ᚻᴺ䈪䈅䉎䋮䈚䈎䈚䋬䈖䈱Ά὾ᣇᑼ䈪䈲䋬ⓨ᳇䈱ᕆㅦᷙว䈱⁁ᘒ䈮䉋䈦䈩Ά὾቟ቯᕈ䈱ૐਅ䉕ᒁ䈐⿠䈖䈚䈢䉍䋬NOx ឃ಴䈱Ⴧᄢ䉕᜗䈒䈖䈫䉅䈅䉍䋬䈠䈱ᷙวㆊ⒟䈱೙ᓮᛛⴚ䈏৻䈧䈱㎛䈫䈭䈦䈩䈇䉎䋮䈠䈱䉋䈉䈭ਛ䈪䋬ᦨㄭ䋬Trapped Vortex
Combustor(᷵஗⇐ဳΆ὾ེ, એਅ TVC 䈫๭䈹) 䉕೑↪䈚䈢 RQL Ά὾ᣇᑼ䈏ឭ᩺䈘䉏䈩䈇䉎 7) –10)䋮䈖䉏䈲䋬ਥᵹᵹ〝䈱৻ㇱ䈮䉨䊞䊎䊁䉞䉕⸳䈔䋬䈠䈖䈮ᒻᚑ䈘䉏䉎᷵ᓴⅣᵹਛ䈪╙ 1 Ბ䈱ㆊỚΆ὾䉕ⴕ䈇䋬䈠䈱ᓟ䈱ਥᵹਛ䈪ⓨ᳇䈫䈱ᕆㅦᷙว෸䈶╙ 2 Ბ䈱Ꮧ⭯Ά὾䉕ⴕ䈉䈫䈇䈉ᚻᴺ䈪䈅䉎䋮䈖䈱ᣇᑼ䈪䈲䋬଻Ἳᕈ⢻䈮ఝ䉏䉎᷵ᓴⅣᵹਛ䈪ㆊỚΆ὾䉕ⴕ䈉䈢䉄䋬Ά὾䈱㜞቟ቯᕈ䉕⛽ᜬ䈜䉎䈫หᤨ䈮䋬RQL Ά὾䈱ታ⃻䉅น⢻䈭䈢䉄䋬ᰴ਎ઍဳ䈱ૐ NOx Ά὾ེ䈫䈚䈩ᄢ䈐䈭ᦼᓙ䈏ነ䈞䉌䉏䈩䈇䉎䋮䈚䈎䈚䈭䈏䉌䋬⃻⁁䈪ឭ᩺䈘䉏䈩䈇䉎Ά὾ེᒻ⁁䈪䈲䋬ㆊỚΆ὾䈎䉌Ꮧ⭯Ά὾䈻䈱ㆫ⒖䈱㓙䈮 NOx ↢ᚑ䈱⋓䉖䈭ℂ⺰ᷙวᲧ㗔ၞ䉕⊒↢䈘䈞䈩䈚䉁䈉䈖䈫䈏໧㗴䈫䈭䈦䈩䈍䉍䋬NOx ૐᷫലᨐ䉕ᓧ䉎䈮䈲䈘䉌䈭䉎ᛛⴚ䈱ะ਄䈏ਇนᰳ䈪䈅䉎䈖䈫䉅␜ໂ䈘䉏䈩䈇䉎䋮䈠䈖䈪䋬ᧄ⎇ⓥ䈪䈲 TVC ဳΆ὾ེ䈮䈍䈔䉎ㆊỚΆ὾䈎䉌Ꮧ⭯Ά὾䈻䈱ㆫ⒖䈮⌕⋡䈚䋬ㆊỚΆ὾䈫Ꮧ⭯Ά὾䈱㑆䈮ᶖἻ㗔ၞ䉕⸳䈔䈩෻ᔕ䉕ಓ⚿䈚䋬૬䈞䈩ᷙว䉕ⴕ䈉䈖䈫䈪ℂ⺰ᷙวᲧ㗔ၞ䈱⊒↢䉕ᛥ䈋䋬㧙㧙ૐ NOx ឃ಴䉕ታ⃻䉕⋡ᜰ䈜ᣂ䈚䈇Ά὾ེ䉕ឭ᩺䈚䋬䈠䈱Ά὾᜼േ䋬቟ቯᕈ䋬NOx ឃ಴․ᕈ䈮䈧䈇䈩ᬌ⸛䈜䉎䈖䈫䉕⋡⊛䈫䈚䈩⎇ⓥ䉕ታᣉ䈚䈢䋮
2. Ά὾ེᒻ⁁෸䈶᳇૕ᵹ〝ᧄ⎇ⓥ䈪ኻ⽎䈫䈜䉎 TVC ဳΆ὾ེ䈱᭎⇛࿑䉕࿑ 1 䈮␜䈜䋮ᧄΆ὾ེ䈲ㇺᏒㇱ䈪૶↪䈘䉏䉎ಽᢔဳ䉮䊷䉳䉢䊈䊧䊷䉲䊢䊮䉲䉴䊁䊛䈮ዉ౉䈘䉏䉎ᢙ MW 䈎䉌චᢙ MW 䈱ਛዊⷙᮨ಴ജ䈮⋧ᒰ䈜䉎䉧䉴䉺䊷䊎䊮Ά὾ེ䉕ᗐቯ䈚䈩⸳⸘䉕ⴕ䈦䈢䋮Ά὾ེో㐳䈲 600 mm䋬ᅏⴕ䈐䈲⚕㕙ု⋥ᣇะ䈮৻ᓞ 80 mm 䈪䈅䉎䋮ਥᵹㅜਛ䈮䉨䊞䊎䊁䉞䉕⸳䈔䈩䈍䉍䋬䉨䊞䊎䊁䉞ᓟ䈱ਥᵹᵹ〝ਅᵹ䈲ਥᵹᣇะ䈮ኻ䈚䈩 10 ᐲ䈱௑ᢳ䉕ᜬ䈦䈢᜛ᄢᵹ〝䈫䈭䈦䈩䈇䉎䋮䉨䊞䊎䊁䉞ᷓ䈘䈲 41 mm䋬䉨䊞䊎䊁䉞ౝ䈱᷵ᒻᚑ䉕ẢṖ䈮䈜䉎⋡⊛䈪ო㕙䈲ඨᓘ 25 mm 䈱ᦛ㕙䈫䈭䈦䈩䈍䉍䋬ਥᵹ਄ᵹ஥䈱䉨䊞䊎䊁䉞ო㕙䈮⋥ᓘ 5 mm 䈱᳇૕ଏ⛎ญ䉕䋷ሹ⸳䈔䈩䈇䉎䋮䉁䈢Ά὾ེო䈲䉴䊁䊮䊧䉴⵾䈪䈅䉎䈏䋬Ά὾ེਔ஥㕙䈲ෘ䈘 3 mm 䈱⍹⧷䉧䊤䉴䈪ⷒ䈦䈩䈇䉎䈢䉄Ά὾᜼േ䈱นⷞⷰኤ䈏น⢻䈪䈅䉎䋮䈭䈍䋬ᧄ⎇ⓥߢߪ࿑ਛߦ␜ߔࠃ߁ߥਥᵹ౉ญਛᔃࠍේὐߣߒߚᐳᮡ♽ࠍ↪޿ߡ⼏⺰ࠍㅴ߼ࠆ㧚Ά὾ᣇᴺ䈫䈚䈩䈲䋬䉁䈝䋬䉨䊞䊎䊁䉞䈻Άᢱㆊ೾䈫䈭䉎䉋䈉䈮Άᢱ䋨੹࿁䈲䊜䉺䊮䉕૶↪䋩䈫ⓨ᳇䉕ଏ⛎䈚䋬䉨䊞䊎䊁䉞ౝ䈪ΆᢱㆊỚΆ὾䉕ⴕ䈉䋮䉨䊞䊎䊁䉞䈎䉌ἫἻ䈏િ䈶䈩ਅᵹ䈻㆐䈜䉎䈫⠨䈋䉌䉏䉎䈏䋬㜞ㅦਥᵹⓨ᳇䈮䉋䈦䈩䉨䊞䊎䊁䉞䈫᜛ᄢᵹ〝䈱㑆䈪ἫἻ䈱็䈐㘧䈶䈏⿠䈖䉍䋬ᶖἻ㗔ၞ䈏ᒻᚑ䈘䉏䉎䋮䈖䈱ᶖἻ㗔ၞ䈮䉋䈦䈩Ά὾෻ᔕ䈱ಓ⚿෸䈶Ά὾䉧䉴䈱ⓨ᳇䈮䉋䉎ᷙวᏗ㉼䊶᷷ᐲૐਅ䈏ⴕ䉒䉏䋬䈠䈱ᓟ䋬ਥᵹᵹ〝ਅᵹ䈱᜛ᄢᵹ〝਄䈪䈱ૐᵹㅦၞ䈮䉋䈦䈩଻Ἳ䈘䉏䉎䈖䈫䈪䋬Ꮧ⭯Ά὾䉕ⴕ䈉䈖䈫䈏น⢻䈫䈭䉍䋬ૐ᷷䈎䈧ቢోΆ὾䈫䈜䉎䈖䈫䈪䋬RQL Ά὾䉕ታ⃻䈘䈞䉎䋮

࿑ 1 TVC Ά὾ེ᭎ᔨ࿑

࿑ 2 䈮䈲䋬ታ㛎ⵝ⟎♽⛔䈱᳇૕ଏ⛎⚻〝䉕␜䈜䋮ឃ᳇䉕ㅦ䉇䈎䈮ⴕ䈉䈢䉄䋬Ά὾ེ䈲Ά὾ེ಴ญ䉕㋦⋥ᣇะ਄ะ䈐䈮⸳⟎䈚䈩䈇䉎䋮䉨䊞䊎䊁䉞䈻䈱ⓨ᳇䈲䉮䊮䊒䊧䉾䉰䊷䈎䉌䋬䊜䉺䊮䈲㜞࿶䊗䊮䊔䈎䉌ଏ⛎䈚䋬䈠䉏䈡䉏ᷫ࿶ᑯ䉕⚻䈢ᓟ䈮䊙䉴䊐䊨䋭䉮䊮䊃䊨䊷䊤䊷䈮䈩ᵹ㊂䈱೙ᓮ䉕ⴕ䈦䈩䈇䉎䋮䊙䉴䊐䊨䊷䉮䊮䊃䊨䊷䊤䊷䈲ធ⛯䈚䈢䉮䊮䊏䊠䊷䉺䊷䈮䈩ㅪേᠲ૞䈏น⢻䈪䈅䉎䋮⸳ቯᵹ㊂䈮ว䉒䈞䈩 10 L/min䋨KOFLOC䊶3200䋩䋬5 L/min䋬50 L/min䋨Yamatake䊶CMQ-V䋩䈱䊙䉴䊐䊨䊷䉮䊮䊃䊨䊷䊤䊷䉇䋬ਅᵹ䈱ᵹ〝䉕⚵䉂ᦧ䈋䉎䈖䈫䈮䉋䉍䋬䉨䊞䊎䊁䉞䈮⸳䈔䈩䈅䉎᳇૕ଏ⛎ญ䈻䈲㧙㧙છᗧ䈱ΆᢱỚᐲ䋬ᵹ㊂䈪䈱ଏ⛎䈏น⢻䈪 䈅 䉎 䋮 ਥ ᵹ 䈻 䈲 䊑 䊨 䊪 䋨 HITACHI 䊶
VB-040-E2䋩䈎䉌ଏ⛎䈘䉏䈢ⓨ᳇䉕䉥䊥䊐䉞䉴ᵹ㊂⸘䋨䉥䊥䊐䉞䉴ᓘ D = 23 mm䋩䈮䈩ᵹ㊂䉕೙ᓮ䈚䋬䊊䊆䉦䊛㊄ዻ䈫䊜䉾䉲䊠䈮䈩᭴ᚑ䈘䉏䈢ᢛᵹㇱ䋬䈠䈱ᓟ䈮⸳⟎䈘䉏䈢䊉䉵䊦䉕⚻䈩䋬৻᭽ᵹ䈫䈭䈦䈢⁁ᘒ䈪Ά὾ེਥᵹ౉ญ䈻ଏ⛎䈘䉏䉎᭴ㅧ䈫䈭䈦䈩䈇䉎䋮
3. ታ㛎ᣇᴺ㩷 䉁䈝䋬ᧄ⎇ⓥ䈪૶↪䈚䈢᷵஗⇐ဳΆ὾

࿑ 2 ᳇૕ଏ⛎ᵹ〝

ེ(Trapped Vortex Combustor)䈱ၮᧄ⊛Ά὾․ᕈ䉕᣿䉌䈎䈮䈜䉎䈢䉄䈮䋬⒳䇱䈱
᳇૕ᵹㅦ䋬ΆᢱỚᐲ䈮䈍䈔䉎Ά὾ᒻᘒ䈱ⷰኤ䉇Ά὾቟ቯ㒢⇇䈱᷹ቯ䉕ⴕ䈦䈢䋮Ά὾ᒻᘒ෸䈶Ά὾᜼േ䈱 ⷰኤ䈮䈲䋬䊂䉳䉺䊦䉴䉼䊦䉦䊜䊤 (Nikon D40)෶䈲䊂䉳䉺 䊦䊎䊂䉥䉦䊜䊤(SonyVX-2000)䈮䉋䉎᠟ᓇ䉕ⴕ䈦䈢䋮቟ቯ㒢⇇䈱᷹ቯ䈪䈲䋬ΆᢱỚᐲ䉇ᵹㅦ䉕ᓢ䇱䈮ᄌൻ䈘䈞䈩䈇䈐䋬Ά὾ེౝߢᒻᚑߐࠇࠆἫἻ߇็߈㘧߮߿็߈ᶖ߃ߥߤߢᶖᄬߒߚ㓙ࠍ቟ቯ㒢⇇ߣߒߡቯ⟵ߒ㧘⋡ⷞߦߡ᷹ቯࠍⴕߞߚ㧚㩷 䈠䈱ᓟ䋬቟ቯΆ὾䈏น⢻䈭᧦ઙ䈮䈍䈇䈩䋬ឃ᳇䉧䉴ਛ䈱 NOx ෸䈶 O2 Ớᐲ䈱᷹ቯ䉕ⴕ䈦䈢䋮Ớᐲ᷹ቯ䈮䈲䋬NOx/O2 ಽᨆ⸘(ECL-88AO㧘NOx:ࠝ࠱ࡦൻቇ⊒శᴺ㧘O2:⏛᳇࠳ࡦࡌ࡞ᑼ᷹ቯᴺ)ࠍ૶↪ߒߚ㧚߹ߚ㧘Ά὾ࠟࠬߪΆ὾ེ಴ญߦ߅޿ߡࠨࡦࡊ࡝ࡦࠣࠍⴕߞߚ㧚ߎߩ㓙㧘ࠨࡦࡊ࡝ࡦࠣࡊࡠ࡯ࡉߩ㜞᷷ൻߦࠃࠆࡊࡠ࡯ࡉౝߢߩ෻ᔕߩㅴⴕࠍ㒐ᱛߔࠆߚ߼ߦ㧘᳓಄ᑼߩࡊࡠ࡯ࡉࠍណ↪ߒߚ㧚 એ਄ߩ᷹ቯߦ߅޿ߡ㧘㜞ㅦⓨ᳇ਥᵹ Umain, ࠠࡖࡆ࠹ࠖౝߦ⸳⟎ߐࠇߚଏ⛎ญ߆ࠄྃ಴ߔ
ࠆΆᢱ෸߮ⓨ᳇ߩ✚ଏ⛎ᵹ㊂ Qcavity㧘߹ߚࠠࡖࡆ࠹ࠖౝߦྃ಴ߔࠆΆᢱߣⓨ᳇ߩᒰ㊂ᲧIcavity
ߩ 3 ߟߩࡄ࡜ࡔ࡯࠲ࠍછᗧߦᄌൻߐߖࠆߎߣߢ㧘ฦ‫ߩޘ‬Ά὾․ᕈߦߟ޿ߡᬌ⸛ࠍട߃ߚ㧚
4. ⚿ᨐ෸䈶⠨ኤ
4.1 Ά὾ᒻᘒ
 ࿑ 3 ߦᧄΆ὾ེߢᒻᚑߐࠇߚἫἻߩ᭽ሶࠍ␜ߔ㧚ᧄΆ὾ེߢߪ࿑ 3(a)ߩࠃ߁ߦࠠࡖࡆ࠹
ࠖౝߣ᜛ᄢᵹ〝ߦἫἻ߇㧞ߟಽ߆ࠇߡᒻᚑߐࠇࠆ㧚એ㒠㧘ߎߩΆ὾ᒻᘒࠍ Separated modeߣ๭߮㧘߹ߚ㧘ࠠࡖࡆ࠹ࠖౝߩἫἻࠍ Primary flame㧘᜛ᄢᵹ〝ౝߩἫἻࠍ Secondary flameߣ๭߱ߎߣߣߔࠆ㧚Primary flame ߪࠠࡖࡆ࠹ࠖౝߩ᳇૕ଏ⛎ญ߆ࠄࠠࡖࡆ࠹ࠖߩᐩࠍㅡ߁ࠃ߁ߦિ߮㧘వ┵ㇱߪࠠࡖࡆ࠹ࠖਛᄩ߳ߣᦛ߇ߞߡ޿ࠆߎߣ߆ࠄ㧘ࠠࡖࡆ࠹ࠖౝㇱߩᓴⅣᵹਛߦ଻ᜬߐࠇߡ޿ࠆ᭽ሶ߇ࠊ߆ࠆ㧚߹ߚ㧘Secondary flame వ┵ߪ᜛ᄢᵹ〝౉ญߦ૏⟎ߒߡ߅ࠅ㧘ᵹ〝ߩ᜛ᄢߦࠃߞߡ↢ߓࠆૐᵹㅦၞߦߡ଻Ἳߐࠇߡ޿ࠆߣ⠨߃ࠄࠇࠆ㧚ߐࠄߦ㧙㧙Secondary flame ߪዊೞߺߥᝄേߣ㄀㖸ࠍ઻ߞߡ޿ߚߎߣ߆ࠄ㧘ੂᵹ⁁ᘒߦߡΆ὾߇ⴕࠊࠇߡ޿ࠆߣផ᷹ߐࠇࠆ㧚߹ߚߎߩ౮⌀ࠍ⷗ߡ߽᣿ࠄ߆ߥࠃ߁ߦ㧘Primaryflame ߣ Secondary flame ߩ㑆ߦᶖἻ㗔ၞ߇ሽ࿷ߒߡ޿ࠆ᭽ሶ߇ࠊ߆ࠆ㧚ዏ㧘ᧄΆ὾ེߢߪ࿑ 3(b)෸߮(c)ߩࠃ߁ߦ Primaryflame ߣ Secondary flame ࠍන⁛ߢΆ὾ߐߖࠆߎߣ߽ߢ߈㧘ߘࠇߙࠇߩΆ὾ᒻᘒࠍ
Single mode (Primary flame)㧘Single mode(Secondary flame)ߣ๭߱ߎߣߦߔࠆ㧚ߐࠄߦ㧘޽ࠆ․ቯߩ᳇૕ଏ⛎᧦ઙߦ߅޿ߡ
ߪ㧘࿑ 3(d)ߩࠃ߁ߥ Primary Flame ߣSecondary Flame ߇৻⛯߈ߦߥߞߚᶖἻ
㗔ၞࠍ᦭ߐߥ޿ἫἻ߽ᒻᚑߐߖࠆߎߣ
࿑ 3 ฦ‫ߩޘ‬Ά὾ᒻᘒߦ߅ߌࠆ⋥ធἫἻ౮⌀߇น⢻ߢ޽ࠅ㧘ߎߩΆ὾ᒻᘒߪ
Continuous mode ߣ๭߱ߎߣߣߔࠆ㧚એ਄㧘ᧄΆ὾ེߦ߅޿ߡߪ㧘ߎࠇࠄ⒳‫ߩޘ‬Ά὾ᒻᘒࠍᒻᚑߐߖࠆߎߣ߇น⢻ߢ޽ࠆߎߣ߆ࠄ㧘ฦ‫ߩޘ‬Ά὾቟ቯᕈ߿ NOx ឃ಴․ᕈࠍᲧセ࡮ᬌ⸛ߔࠆߎߣߦࠃࠅ㧘ᶖἻ㗔ၞࠍ᦭ߔࠆ
TVC ဳΆ὾ེߢߩ RQL Ά὾ߩ᦭ലᕈߦߟ޿ߡ⼏⺰ࠍㅴ߼ߡ޿ߊ㧚
4.2 Ά὾቟ቯᕈ㩷

࿑ 4 ߦ Single mode(Primary flame) ෸ ߮Separated mode ߦ߅ߌࠆ Primary flame ߩΆ὾䂦 Single mode (Primary flame)

9.0 䂾 Separated mode቟ቯ㒢⇇✢࿑ࠍ␜ߔ㧚ߎߎߢ㧘ࠠࡖࡆ࠹ࠖᒰ
ࠖଏ⛎✚ᵹ㊂ Qcavity㧘❑ゲߪਥᵹᢿ㕙ᐔဋᵹㅦ
Umain ࠍ␜ߒߡ޿ࠆ㧚߹ߚ㧘䂦ࡊࡠ࠶࠻ߪ Singlemode(Primary flame)㧘䂾ࡊࡠ࠶࠻ߪ Separated

8.0
Umain [m/s]㊂ᲧߪIcavity = 20 ߢ৻ቯߣߒ㧘ᮮゲߪࠠࡖࡆ࠹

mode ߦ߅ߌࠆ Secondary flame ߩ቟ቯ㒢⇇ߢ޽ࠅ㧘ฦ‫ߩ✢ߩޘ‬Ꮐ஥߇቟ቯ㗔ၞ㧘ᢳ✢ߢ✂ដߌߒߚฝ஥߇ἫἻ߇ᒻᚑߐࠇߥ޿㗔ၞߣߥߞߡ޿ࠆ㧚ߎߩ࿑ࠍ⷗ࠆߣ㧘Separated modeߩᣇ߇ᐢ޿ Qcavity ෸߮ Umain ߩ㗔ၞߢἫἻ߇ᒻ
ᚑߐࠇ㧘቟ቯ㗔ၞ߇᜛ᄢߒߡ޿ࠆ᭽ሶ߇ࠊ߆
ࠆ㧚ߎࠇߪ㧘Separated mode ߢߪ Secondaryflame ߩሽ࿷߇᜛ᄢᵹ〝ౝߢߩ᷷ᐲ਄᣹ߣߘ

㧙㧙

7.0

Stable6.0

Stable5.0
4.0

No flame

No flame

Icavity = 2020304050-53
Qcavity [10 m /s]

࿑ 4 Single mode(Primary flame)෸߮
Separated mode ߩߦ߅ߌࠆ Primaryflame ߩ቟ቯ㒢⇇✢࿑ࠇߦ઻߁᳇૕⤘⣘ߦࠃࠆਅᵹ࿶ജߩჇᄢ㩷ࠍᒁ߈⿠ߎߒ㧘೨ᣇߩਥᵹ߿ࠠࡖࡆ࠹ࠖౝ

䂥 Single mode(Secondary flame)

9.0 䃂 Separated modeᓴⅣᵹߩᵹࠇߩ⁁ᘒࠍᄌᒻߐߖ㧘⚿ᨐߣߒߡࠠࡖࡆ࠹ࠖౝߩ Primary flame ߇቟ቯߒ8.0
Umain [m/s]ᤃ޿ᵹࠇ႐ࠍᒻᚑߒߚߎߣߦࠃࠆ߽ߩߢNoflame

7.0޽ࠆߣផ᷹ߐࠇࠆ㧚ታ㓙㧘Separated modeߣ Single mode(Primary flame)ߢߪ PrimaryStable

6.0flame ߩἫἻᒻ⁁߇⇣ߥࠆߎߣ߇ⷰኤߐࠇ
ߡ߅ࠅ㧘਄⸥ߩផ᷹ࠍⵣઃߌࠆ⚿ᨐࠍᓧߡNo flame
Stable5.0޿ࠆ㧚Icavity = 20

4.0ᰴߦ㧘࿑ 5 ߦߪ Single mode(Secondary20flame) ෸ ߮ Separated mode ߦ ߅ ߌ ࠆSecondary flame ߩ቟ቯ㒢⇇✢࿑ࠍ␜ߔ㧚ߎߎߢ㧘ࠠࡖࡆ࠹ࠖౝᒰ㊂ᲧߪIcavity = 20 ߢ30

40

-5350

Qcavity [㬍10 m /s]

࿑ 5 Single mode(Secondary flame)෸߮
Separated mode ߩߦ߅ߌࠆ Secondaryflame ߩ቟ቯ㒢⇇✢࿑৻ ቯ ߣ ߒ 㧘 䂥 ࡊ ࡠ ࠶ ࠻ ߪ Singlemode(Secondary flame) 㧘 䃂 ࡊ ࡠ ࠶ ࠻ ߪ
Separated mode ߦ߅ߌࠆ Secondary flame ߩ቟ቯ㒢⇇ࠍ␜ߒߡ޿ࠆ㧚߹ߚ㧘࿑ਛߦ␜ߔ✢ߩฝ஥߇቟ቯ㗔ၞ㧘ᢳ✢ߢ✂ដߌߒߚᏀ஥߇ἫἻ߇ᒻᚑߐࠇߥ޿㗔ၞߣߥߞߡ޿ࠆ㧚ߎߩ࿑ࠍ⷗ࠆߣ㧘Separated mode ߩᣇ߇ᐢ޿ Qcavity
෸߮ Umain ߩ㗔ၞߢἫἻ߇ᒻᚑߐࠇߡ߅ࠅ㧘቟ቯᕈ߇Ⴧᄢߒߡ޿ࠆߎߣ߇ࠊ߆ࠆ㧚ߎࠇߪ㧘
Separated mode ߦ߅ߌࠆ Secondary flame ߪ Primary flame ߩᱷሽᧂΆΆᢱߦࠃߞߡΆ὾߇⿠
ߎߞߡ޿ࠆߎߣࠍ⠨߃ࠆߣ㧘Primary flame ߦࠃߞߡ⊒↢ߒߚΆ὾ࠟࠬਛߩᾲ߿ਛ㑆ᵴᕈၮߩሽ࿷߇ Secondary flame ߩ෻ᔕᕈࠍ㜞߼ߚߎߣ߇ⷐ࿃ߢ޽ࠆߣ⠨߃ࠄࠇࠆ㧚ߟ߹ࠅ㧘
Separated mode ߦ߅޿ߡߪ Primary flame ߇ Secondary flame ߦኻߔࠆࡄࠗࡠ࠶࠻ἫἻߩᓎഀࠍᨐߚߔߎߣߢ቟ቯᕈࠍ㜞߼ߡ޿ࠆߣ⸒߃ࠆ㧚એ਄ߩ⚿ᨐࠍ߹ߣ߼ࠆߣ㧘
Separated mode ߦ ߅ ޿ ߡ ߪ 㧘

7.0ᰴߦ㧘࿑ 6 ߦߪࠠࡖࡆ࠹ࠖଏ⛎ ✚ ᵹ ㊂ ࠍ Qcavity = 27.5×10-535.0
4.0

Separated modeലᨐ߇޽ࠆߣ⸒߃ࠆ㧚6.0

Oscillation mode
Continuous modeߪ⋧੕ߦ቟ቯᕈࠍჇᄢߐߖࠆ

Umain [m/s]Primary flame ߣ Secondary flame

No flame

Single mode (Secondary flame)m /s ߢ৻ቯߣߒ㧘ᮮゲࠍࠠࡖࡆ࠹ࠖౝᒰ㊂ᲧIcavity㧘❑ゲࠍਥᵹᢿ㕙ᐔဋᵹㅦ Umain ߣߒߡ᷹ቯߒߚ቟ቯ㒢⇇✢࿑ࠍ␜ߔ㧚ߎߩ࿑ ਛ ߦ ␜ ߔ ࠃ ߁ ߦ 㧘 Separated

3.0

Qcavity = 27.510-5 m3/s

050

100
Icavity>@150200

࿑ 6 Icavity ࠍ৻ቯߣߒߚ㓙ߩฦ‫ߩޘ‬ἫἻᒻᘒߩ
቟ቯ㒢⇇✢࿑㧙㧙

mode ߩ⁁ᘒ߆ࠄIcavity ࠍᷫዋߐߖߡ޿ߊߣ㧘ἫἻ߇ᝄേߔࠆ⁁ᘒࠍ⚻ߡ Continuous mode ߇⃻ࠇࠆ㗔ၞ߳ߣㆫ⒖ߔࠆ㧚߹ߚ㧘Continuous mode ߦᲧߴ Separated mode ߪIcavity ߇ᄢ߈޿㗔ၞߢ቟ቯߣߥࠆ߇㧘Icavity ࠍჇᄢߐߖࠆߣᶖἻߦ⥋ࠆ㧚৻ᣇ㧘Single mode (Secondary flame)ߪIcavity ࠍჇടߐߖߡ߽ᶖἻߦ⥋ࠆߎߣߪή޿߇㧘Icavity ࠍή㒢ᄢߣߒߚ႐ว㧘ߔߥࠊߜ㧘ࠠࡖࡆ࠹ࠖ߳ࡔ࠲ࡦߩߺࠍଏ⛎ߒߚ႐วߪ Umain = 5.9 m/s ߢᶖἻߒ㧘ߘࠇએ਄ߩ Umain ߩ㗔ၞߢߪ㧘޿߆ߥࠆIcavity ߦ߅޿ߡ߽ἫἻߪᒻᚑߐࠇߥ޿㧚߹ߚ㧘Icavity = 25 ઃㄭߢߪ Separatedmode ߩ Umain ߩჇᄢߦኻߔࠆ቟ቯᕈߪ Single mode ߦᲧߴߡ㜞޿ߎߣ߆ࠄ㧘ߎߎߢ߽㧘
Separated mode ߩ቟ቯᕈ߇㜞ߊߥߞߡ޿ࠆ᭽ሶ߇ુ߃ࠆ㧚ߎߩߎߣߪవㅀߣห᭽ߦ㧘ࠠࡖࡆ࠹ࠖౝߩ Primary flame ߇ࡄࠗࡠ࠶࠻ἫἻߩᓎഀࠍᨐߚߒߡ޿ࠆߎߣߦ⿠࿃ߒߡ߅ࠅ㧘
Primary flame ߩሽ࿷ߪΆ὾቟ቯᕈࠍᄢ߈ߊᡰ㈩ߔࠆ߽ߩߢ޽ࠆߣ⸒߃ࠆ㧚I㪺㪸㫍㫀㫋㫐㪔㩷㪏㩷㩷I㪺㪸㫍㫀㫋㫐㪔㩷㪍㩷㩷I㪺㪸㫍㫀㫋㫐㪔㩷㪋㩷㩷50

4.3 Ά὾ེ಴ญߦ߅ߌࠆ NOx ឃ಴․ᕈUmain = 4.5 m/s㧘ࠠࡖࡆ࠹ࠖଏ⛎✚ᵹ㊂ߪ

Continuous mode

2010

㩷

0Qcavity = 27.5×10-5 m3/s ߢ৻ቯߣߒߡ޿ࠆ㧚߹ߚ㧘࿑ߩᮮゲߪΆ὾ེ಴ญߢߩᵹ〝᏷ᣇะᐳᮡ(y ᐳᮡ)ࠍ␜ߒߡ޽ࠅ㧘ᐳᮡේὐߪਥᵹ౉ญਛᄩߦ⸳ቯߒߡ޽ࠆߚ߼㧔࿑ 1-50

ෳᾖ㧕㧘 y < -15 mm ߩ㗔ၞ߇ᵹ〝ߩ᜛ᄢ-80-60Ꮣ ߩ ో ૕ ߩ ᭽ ሶ ࠍ ⷗ ࠆ ߣ 㧘 Continuous70mode ෸߮ Separated mode ߩߤߜࠄߦ߅޿⚛෻ᔕ⚻↱ߢ޽ࠆ Prompt NOx ↢ᚑߩଦㅴ㧘Ά὾ེౝߩ᷷ᐲ਄᣹ߦࠃࠆ Thermal

50Separated mode

403020100NOx ↢ᚑߩଦㅴߦࠃࠆ߽ߩߣ⠨߃ࠄࠇࠆ㧚߹ߚ㧘NOx Ớᐲߩዪᚲ⊛ߥಽᏓߩ᭽ሶࠍ⷗ࠆߣ㧘ߤߜࠄߩ mode ߦ߅޿ߡ߽ y = -45-50mm ઃㄭߢᦨᄢ୯ߣߥࠆࡇ࡯ࠢࠍขࠆߎߣ߇ࠊ߆ࠆ㧚ߎࠇߪ㧘᜛ᄢᵹ〝ౝߦᒻᚑflame ߦࠃߞߡਥⷐߥ NOx ↢ᚑ߇⿠ߎߞ

-80-60-40-20
y [mm]

0(b)ߐࠇߚ Secondary flame ߪ y = -45 mm ࠍਛᔃߣߒߡሽ࿷ߒߡ߅ࠅ㧘ߘߩ Secondary

2015105020㩷㪥㪦㫏㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷
㩷㪦㪉
㩷㪥㪦㫏
㩷㪦㪉
㩷㪥㪦㫏
㩷㪦㪉

㩷

Ά὾෻ᔕ㊂߇Ⴧᄢߔࠆߎߣߦࠃࠆ὇ൻ᳓I㪺㪸㫍㫀㫋㫐㪔㩷㪊㪇㩷I㪺㪸㫍㫀㫋㫐㪔㩷㪉㪌㩷I㪺㪸㫍㫀㫋㫐㪔㩷㪉㪇㩷60
NOx [ppm]⊛ߦჇടߒߡ޿ߊߎߣ߇ࠊ߆ࠆ㧚ߎࠇߪ㧘0(a)㗔ၞߦኻᔕߒߡ޿ࠆ㧚߹ߕ㧘NOx Ớᐲಽߡ߽Icavity ߇Ⴧᄢߔࠆߣ NOx Ớᐲ߇ో૕-40-20y [mm]252015105020

O2 [vol%]O2 ỚᐲಽᏓࠍ␜ߔ㧚ߎߎߢਥᵹᵹㅦߪ30O2 [vol%]mode ߦ߅ߌࠆΆ὾ེ಴ญߢߩ NOx ෸߮40
NOx [ppm]

࿑ 7(a), (b)ߦ Continuous mode㧘Separated㩷㪥㪦㫏㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㩷㪦㪉㩷㪥㪦㫏㩷㪦㪉㩷㪥㪦㫏㩷㪦㪉

࿑ 7 Ά὾ེ಴ญߦ߅ߌࠆ NOx ෸߮ O2 ỚᐲಽᏓ(a) Continuous mode, (b) Separated mode㧙㧙ߡ޿ࠆߎߣࠍ␜ߒߡ޿ࠆ㧚ታ㓙㧘O2 Ớᐲࠍ⷗ߡ߽㧘NOx Ớᐲ߇㜞޿㗔ၞߦߡ O2 Ớᐲ߇ૐߊߥߞߡ߅ࠅ㧘ߎߩ㗔ၞߦߡΆ὾෻ᔕ߇↢ߓߡ޿ࠆߎߣࠍ⏕⹺ߔࠆߎߣ߇ߢ߈ࠆ㧚߹ߚ㧘
y > -20 mm ߩ㗔ၞߦ߅޿ߡߪ㧘࿑ 7(a)ߩ Continuous mode ߢߪ NOx Ớᐲ߇ 1 㨪 2 ppm ߣ㕖Ᏹߦዊߐߥ୯ࠍ␜ߒߡ޿ࠆߩߦኻߒ㧘(b)ߩ Separated mode ߢߪ NOx ỚᐲߪᲧセ⊛㜞޿୯ࠍ␜ߒ㧘ო㕙ߦㄭߠߊ( y ĺ 15 mm )ߦߟࠇߡ✭߿߆ߦૐਅߒߡ޿ߊߎߣ߇ࠊ߆ࠆ㧚ߎࠇߪ㧘
Continuous mode ߢߪ࿑ 3(d)ߩࠃ߁ߦἫἻ߇⭯ߊિ߮㧘y ᣇะ߳ߩΆ὾㗔ၞߩᐢ߇ࠅ߇ዊߐ
޿ߩߦᲧߴ㧘Separated mode ߢߪ࿑ 3(a)ߩࠃ߁ߦἫἻ߇▖⁁ߦᒻᚑߐࠇ㧘Ά὾㗔ၞ߇ y ᣇะ߳ᐢ▸࿐ߦಽᏓߒߡ޿ࠆߎߣߦࠃࠆ߽ߩߢ޽ࠆ㧚 ᰴߦ㧘Continuous mode ߣ Separated mode ߦ߅ߌࠆ NOx ↢ᚑ㊂ߩᲧセࠍⴕ߁ߚ߼ߦ㧘࿑ 7ߦ⷗ࠄࠇࠆࠃ߁ߥ NOx ỚᐲಽᏓߦ߅ߌࠆᦨᄢ୯ࠍዪᚲᦨᄢ NOx Ớᐲߣߒ㧘Icavity ߦኻߔࠆଐሽᕈߦߟ޿ߡ࿑ 8 ߦ␜ߒߚ㧚ߎߎߢ㧘Umain = 4.5 m/s㧘Qcavity = 27.5×10-5 m3/s ߢ৻ቯߣߒߡ޿ࠆ㧚߹ߚ㧘࿑ 7 ࠍ⷗ࠆߣಽ߆ࠆࠃ߁ߦ㧘NOx Ớᐲ߇㜞޿㗔ၞߦ߅޿ߡ㧘ᄙ㊂ߩ㉄⚛߇ᬌ಴ߐࠇߡ޿ࠆ㧚ߎߩߎߣߪ㧘Ά὾ࠟࠬ߇ਥᵹⓨ᳇ߦࠃࠆᷙว࡮Ꮧ㉼ࠍฃߌߡ޿ࠆߎߣࠍ␜
ໂߒߡ߅ࠅ㧘NOx Ớᐲߩታ᷹୯ࠍᲧセߔࠆߛߌߢߪ NOx ↢ᚑߩᄢዊߦߟ޿ߡන⚐ߦ⼏⺰ߔࠆߎߣߪ㔍ߒ޿㧚ߘߎߢ㧘ߎߩⓨ᳇Ꮧ㉼ߩᓇ㗀ࠍૐᷫߐߖࠆߚ߼ߦ㧘࿑ 8 ߦߪએਅߩ឵▚ᑼࠍ↪޿ߡ▚಴ߒߚ឵▚ዪᚲᦨᄢ NOx Ớᐲࠍ␜ߒߡ޽ࠆ㧚Ct , NOx

C m , NOx

(21  C S , O 2 )(21  C m , O 2 )ߎߎߢ㧘Cm,NOx, Cm,O2 ߪ NOx Ớᐲ෸߮ O2 Ớᐲߩታ᷹୯ߢ޽ࠅ㧘CS,O2 ߪၮḰ㉄⚛Ớᐲߢ޽ࠆ㧚ߥ߅㧘ߎߩ឵▚ᑼߪ㧘ᄢ᳇ᳪᨴ㒐ᱛᴺߥߤߩ NOx ឃ಴ⷙ೙ߦ߅޿ߡ߽ⓨ᳇Ꮧ㉼ߩᓇ㗀ࠍឃߔࠆ㓙ߦ೑↪ߐࠇࠆ৻⥸⊛ߥ㑐ଥᑼߢ޽ࠆ㧚ᧄ⎇ⓥߢߪ㧘Secondary flame ߢߩዪᚲ⊛ߥΆ὾෻ᔕߪℂ⺰ᷙวᲧઃㄭߢ⿠ߎߞߡ޿ࠆߣ઒ቯߒ㧘ၮḰ㉄⚛Ớᐲ CS,O2 ߪ 0 %ߣ⸳ቯߒߚ㧚࿑ 8 ࠍ⷗ࠆߣ㧘Continuous mode ෸߮ Separated mode ߩߤߜࠄ߽Icavity ߩჇടߦ઻޿ዪᚲᦨ80

mode ߢߩ NOx ᄌൻߪ Continuous mode ߦ߅70

Continuous mode ߩ⋥✢਄ߦߪタࠄߕ㧕‫৻ޔ‬Ბૐ޿⋥✢਄ߢߩᄌൻࠍ␜ߒߡ޿ࠆ‫ߎߎޕ‬ߢ‫ޔ‬࿑ਛߩIcavity ߩჇടߪΆᢱᛩ౉㊂ߩჇടࠍᗧ๧ߔࠆߩߢ‫ߦ⊛⥸৻ޔ‬⠨߃ࠆߣΆ὾㊂ߩჇᄢߦࠃࠅ NOx Ớᐲߪ✢ᒻ⊛ߦჇടߔࠆ

㩷

60
50

2

ߌࠆ NOx ᄌൻߩ௑ะߦᓥࠊߕ㧔࿑ਛߩ[NOx]0%O [ppm]ᄢ NOx Ớᐲ߽Ⴧᄢߒߡ޿ࠆ߇㧘Separatedߣ⠨߃ࠄࠇࠆ߇‫ޔ‬࿑ 8 ߢߪIcavity ߩჇടߦ߅޿ߡ Continuous mode ߆ࠄ Separated mode ߳ߣㆫ⒖ߔࠆ㓙‫৻ޔ‬ᐲ NOx ߇ૐਅߔࠆ᭽ሶ߇⷗ࠄࠇࠆ‫ࠅ߹ߟޕ‬㧘Continuous mode ߆ࠄSeparated mode ߳ߩㆫ⒖ߪ NOx Ớᐲߩૐਅ㧙㧙403020Separated mode
Continuous mode1000

510 15 20 25 30 35
Icavity [-]࿑ 8 ឵▚ዪᚲᦨᄢ NOx Ớᐲࠍ઻߁‫ޔ‬ߔߥࠊߜ NOx ↢ᚑ㊂߇ૐߊߥߞߡ޿ࠆߎߣࠍ␜ߒߡ޿ࠆ㧚ߎߎߢ㧘Continuous modeߦᲧߴߡ Separated mode ߩᣇ߇ NOx ↢ᚑ߇ૐߊߥߞߚℂ↱ߦߟ޿ߡᬌ⸛ࠍട߃ࠆ㧚߹ߕ
Continuous mode ߢߪ㧘ࠠࡖࡆ࠹ࠖౝߩ Primary flame ߆ࠄ᜛ᄢᵹ〝ౝߩ Secondary flame ߇৻⛯߈ߢᒻᚑߐࠇߡ޿ࠆߚ߼㧘ἫἻߦ߅ߌࠆ㜞᷷Άᢱߣਥᵹⓨ᳇ߩᷙว߇චಽߦⴕࠊࠇߕ㧘ࠠࡖࡆ࠹ࠖࠍㆊ߉ߚᓟߩ㗔ၞߢߪᧂΆΆᢱߣਥᵹⓨ᳇ߣߩ㑆ߢ᜛ᢔἫἻ⊛ߦ෻ᔕ߇⿠ߎࠅ㧘ߘߩἫἻߪਅᵹᣇะ߳િ߮ࠆ௑ะࠍᜬߟ㧚ߎߩߎߣߪ㧘࿑ 3(d)ߩ Continuous flame ߩ⋥ធ౮⌀ࠍ⷗ߡ߽㧘Secondary flame ߩ㗔ၞߢߪ㤛⦡ߊ᣿ࠆ޿ノἻ߇ⷰኤߐࠇߡ޿ࠆߎߣ߆ࠄ᜛ᢔἫἻ⊛ߦΆ὾෻ᔕ߇⿠ߎߞߡ޿ࠆߣ⠨߃ࠄࠇ㧔᜛ᢔἫἻߪノἻࠍ⊒↢ߒᤃ޿ߚ߼㧕㧘߹ߚ㧘ἫἻߪਅᵹᣇะ߳િ߮ߡ޿ࠆ᭽ሶ߇ⷰኤߐࠇߡ޿ࠆߎߣ߆ࠄ߽ℂ⸃ߢ߈ࠆ㧚ߔࠆߣ㧘Ά὾෻ᔕ㗔ၞߢߪ NOx ↢ᚑ߇⋓ࠎߥℂ⺰ᷙวᲧߦㄭ޿Ά὾⁁ᘒ߇ᒻᚑߐࠇ㧘߹ߚ㧘ἫἻߪਅᵹᣇะ߳ߣિ߮ߡ޿ࠆߚ߼㧘Ά὾ࠟࠬߩ㜞᷷㗔ၞߢߩṛ⇐ᤨ㑆߽㐳ߊߥࠅ㧘⚿ᨐߣߒߡNOx ↢ᚑߩჇᄢࠍ᜗ߊ㧚৻ᣇ㧘Separated mode ߢߪ㧘Primary flame ߣ Secondary flame ߩ㑆ߦ↢ߓߚᶖἻ㗔ၞߦ߅޿ߡᧂΆΆᢱߣਥᵹⓨ᳇ߣߩᷙว૞↪߇ଦㅴߐࠇࠆ㧚ߎߩߎߣߪ㧘࿑ 3(a)ߩ⋥ធ౮⌀߿࿑ 7 ߩ NOx࡮O2 ỚᐲಽᏓࠍ⷗ߡ߽ࠊ߆ࠆࠃ߁ߦ㧘Secondary flame ߪ▖⁁ߦ᜛ᄢᵹ〝ౝߦᐢ߇ߞߡ޿ࠆߎߣ߆ࠄ߽ℂ⸃ߔࠆߎߣ߇ߢ߈ࠆ㧚ߔࠆߣ㧘 Secondaryflame ߢߩΆ὾߽Ყセ⊛Ꮧ⭯ߥ⁁ᘒࠍ଻ߜ߿ߔߊߥࠅ㧘⚿ᨐߣߒߡ NOx ߩ↢ᚑߪᛥ೙ߐࠇࠆ߽ߩߣ⠨߃ࠄࠇࠆ㧚 એ਄ߩߎߣࠃࠅ㧘ᧄ⎇ⓥߦߡឭ᩺ߒߚ“ᶖἻ㗔ၞࠍ᦭ߔࠆ᷵஗⇐ဳΆ὾ེ”ࠍ೑↪ߔࠇ߫㧘ߘߩᶖἻ㗔ၞߩሽ࿷ߦࠃࠆਥᵹ࡮Άᢱߩᷙว૞↪ଦㅴߦࠃߞߡ㧘ૐ NOx Ά὾ࠍⴕ߁ߎߣ߇น⢻ߢ޽ࠆߎߣ߇⏕⹺ߐࠇߚ㧚5. ⚿⸒
㩷 ૐ NOx ឃ಴䉕ታ⃻䈜䉎ᣂⷙΆ὾ᛛⴚ䈱㐿⊒䉕⋡⊛䈫䈚䈩䋬ᶖἻ㗔ၞ䉕᦭䈜䉎᷵஗⇐ဳΆ὾ེ(Trapped Vortex Combustor)䉕ឭ᩺䈚䋬䈠䈱Ά὾቟ቯᕈ䉇 NOx ឃ಴․ᕈ䈮䈧䈇䈩ታ㛎⊛䈮ᬌ⸛䉕ⴕ䈦䈢䋮䈠䈱⚿ᨐ䈫䈚䈩䋬䉨䊞䊎䊁䉞ౝ䈮⛽ᜬ䈘䉏䉎ㆊỚΆ὾ἫἻ䈫䈠䈱ਅᵹ஥䈪⛽ᜬ䈘䉏䉎Ꮧ⭯Ά὾ἫἻ䈲䋬䈠䈱㑆䈮ᶖἻ㗔ၞ䈏ሽ࿷䈚䈢䈫䈚䈩䉅䋬⋧੕䈮቟ቯᕈ䉕㜞䉄䈅䈦䈩䈇䉎䈖䈫䈏᣿䉌䈎䈫䈭䈦䈢䋮䉁䈢䋬ᧄ⎇ⓥ䈮䈍䈔䉎᷵஗⇐ဳΆ὾ེ䈮䈍䈇䈩䋬ㆊỚΆ὾䈫Ꮧ⭯Ά὾䈱㑆䈮ᶖἻ㗔ၞ䉕᦭䈜䉎䉋䈉䈭ੑᲑΆ὾䉕ⴕ䈦䈢㓙䋬ᶖἻ㗔ၞ䉕᦭䈘䈭䈇Ά὾⁁ᘒ䈮Ყ䈼䋬NOx ឃ಴䉕ᛥ೙䈜䉎ലᨐ䈏䈅䉎䈖䈫䈏⏕⹺䈘䉏䈢䋮⻢ㄉ㩷 ᧄ⎇ⓥ䈲䋬⽷࿅ᴺੱ JFE21 ਎♿⽷࿅䋨ᛛⴚ⎇ⓥഥᚑ䋩䈱េഥ䉕ฃ䈔䈩ታᣉ䈘䉏䈢䋮䈖䈖䈮⻢ᗧ䉕⴫䈜䋮ෳ⠨ᢥ₂1). ᧄ↰ዏ჻, ⅣႺ࿤䈱ᣂ䈚䈇Ά὾Ꮏቇ, ᩣᑼળ␠䊐䉳䊶䊁䉪䊉䉲䉴䊁䊛 (1999).
2). ᣂጟ፾, ᴡ㊁ㅢᣇ, ૒⮮㗅৻, Ά὾⃻⽎䈱ၮ␆, ᩣᑼળ␠䉥䊷䊛␠ (2001).

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