215 ターボ燃焼器を利用したマイクロガスタービンの燃焼特性(OS-5 環境負荷ミニマイズのための熱流体・環境工学の展開(1))

概要

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A micro gas turbine system was operated using a low heating value gas as its fuel to examine to what extent the system is applicable under such conditions. An example of such fuel is exhaust gas from fuel cell or gasified biomass, which was simulated by mixing N_2 into LPG in the present study. A sudden drop of system thermal efficiency appeared when mixing ratio of N_2 and LPG exceeded a certain amount. A large change in the concentration of CO and NO_x emissions was also found when N_2 was mixed, i.e. CO increased and NO_x decrease, respectively. This is considered to be related to the decrease of the gas temperature inside the combustion chamber. Still, the gas turbine was eventually successful in operating under each tested condition, therefore, it is believed that the system is applicable even for using such low heating value fuel.
社団法人日本機械学会の論文
2004-03-17