A101 COMBUSTION CHARACTERISTICS UNDER CONDITION OF LOW-OXYGEN ATMOSPHERE AND HIGH-LEVEL STEAM ADDITION(Nuclear power-1/combustion)

概要

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For effective use of energy resource and reduction of environmental pollutants, high efficiency gas turbine cogeneratiou system is developed. In this system, two-stage combustion, high-level steam addition and advanced technology of recovering latent heat from exhaust gas are integrated. Therefore, this system is expected to achieve a power generation efficiency above 40% and a total thermal efficiency of about 95%. It is thermodynamically proved that the turbine output is improved by increasing the amount of the added steam. However, there is a risk to quench flame in the second stage combustion caused under the conditions of the low oxygen and high steam concentrations. In this study, the characteristics of the second stage combustion are experimentally investigated by using a methane-air diffusion flame with steam addition. As a consequence, a useful result of the optimal condition in this proposed gas turbine cogeneration system has been obtained.
一般社団法人日本機械学会の論文
2000-10-01