Development of Can-Type Low NO sub(x) Combustor for Micro Gas Turbine (Fundamental Characteristics in a Primary Combustion Zone with Upward Swirl)
Can-type low NO sub(x) combustor for micro gas turbine was developed. The distributions of temperature and gas compositions in the primary zone were measured and the behavior of the burned gas recirculation by the upward swirl flow was discussed on the basis of the measured results. When the length...
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Veröffentlicht in: | Fuel (Guildford) 2007-10, Vol.86 (15), p.2463-2463 |
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creator | Furuhata, Tomohiko Amano, Shunsuke Yotoriyama, Kousaku Arai, Masataka |
description | Can-type low NO sub(x) combustor for micro gas turbine was developed. The distributions of temperature and gas compositions in the primary zone were measured and the behavior of the burned gas recirculation by the upward swirl flow was discussed on the basis of the measured results. When the length of primary zone was 109 mm, the lean combustion limit was higher and CO and NO sub(x) concentrations at the combustor exit were lower than those in the other lengths. In the case of 175 mm, the flame in the primary zone changed to luminous flame, and the CO and NO sub(x) concentrations in exhaust gas were increased. The effect of guide vane height strongly affected the lean combustion limit. The limit greatly fell when the height was 8 mm. |
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The distributions of temperature and gas compositions in the primary zone were measured and the behavior of the burned gas recirculation by the upward swirl flow was discussed on the basis of the measured results. When the length of primary zone was 109 mm, the lean combustion limit was higher and CO and NO sub(x) concentrations at the combustor exit were lower than those in the other lengths. In the case of 175 mm, the flame in the primary zone changed to luminous flame, and the CO and NO sub(x) concentrations in exhaust gas were increased. The effect of guide vane height strongly affected the lean combustion limit. 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The distributions of temperature and gas compositions in the primary zone were measured and the behavior of the burned gas recirculation by the upward swirl flow was discussed on the basis of the measured results. When the length of primary zone was 109 mm, the lean combustion limit was higher and CO and NO sub(x) concentrations at the combustor exit were lower than those in the other lengths. In the case of 175 mm, the flame in the primary zone changed to luminous flame, and the CO and NO sub(x) concentrations in exhaust gas were increased. The effect of guide vane height strongly affected the lean combustion limit. 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The distributions of temperature and gas compositions in the primary zone were measured and the behavior of the burned gas recirculation by the upward swirl flow was discussed on the basis of the measured results. When the length of primary zone was 109 mm, the lean combustion limit was higher and CO and NO sub(x) concentrations at the combustor exit were lower than those in the other lengths. In the case of 175 mm, the flame in the primary zone changed to luminous flame, and the CO and NO sub(x) concentrations in exhaust gas were increased. The effect of guide vane height strongly affected the lean combustion limit. The limit greatly fell when the height was 8 mm.</abstract></addata></record> |
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title | Development of Can-Type Low NO sub(x) Combustor for Micro Gas Turbine (Fundamental Characteristics in a Primary Combustion Zone with Upward Swirl) |
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