小型燃焼渦発電システムの燃焼・発電特性に及ぼす燃料種の影響

抄録

On the practical micro combustors, fuel cartridge that consists of propane, n-butane and i-butane considered useful as mobile energy source due to its availability and cost. In this study, the effect of fuels species on the micro vortex combustor, which has the world highest output power has been experimentally investigated. Output power and exhaust CO concentration have been investigated, and furthermore, flame observation has been made using visualized combustor made of quartz. Results showed that the output power of miniature vortex combustion system is almost the same for propane, n-butane and i-butane. For all mixtures, large amount of CO tends to emitted when the equivalence ratio was decreased less than 0.85. Flame appearance observed with quartz combustor has revealed that the flame base is weakened for fuel lean condition, which is attributed to the Lewis number effects.