ガスタービンバーナ部での混合状態計測

概要

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NOx formation is greatly dependent on local gas temperatures within a combustor, and higher NOx formation rates are produced at high fuel-air ratio condition. The lean premixed combustion is one of the methods to minimize NOx formation. To develop dry low-NOx combustor, this method has been studied. And it was obtained that the fuel distribution is closely related to NOx emissions and flame stability. Therefore the measurement of the fuel distribution at the gas turbine premixed burner is very effective to design the high performance burner. In this paper, Tracer Laser Induced Fluorescence technique was applied to visualization of the fuel distribution. The visualization experiments were carried out under various conditions. It was made clear of the relationship between the fuel dis-tribution, the burner shape, the air mass flow rate and the fuel mass flow rate.
社団法人日本ガスタービン学会の論文
2001-07-20