ガスタービン燃焼器の噴霧燃焼特性 : 燃焼シミュレーションによる推算結果と測定結果の比較

概要

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A spray combustion simulation for the prediction of the combustion characteristics in a gas turbine combustor is described. Thermal and prompt NO formations are considered in this simulation. As for prompt NO, we have developed the prompt NO formation model to describe its formation in the turbulent spray flame. In this study, the profiles of gas composition and temperature in the practical gas turbine combustor were measured, and the measured data were compared with the calculated results to examine the accuracy of the simulation. From the comparisons, it was clear that this simulation could predict reasonably the overall combustion characteristics in the combustor. In the quantitative comparisons of the temperature and NO concentration profiles, however, there were the evident discrepancies especially near the exit of the combustor. It was inferred that the discrepancies were caused mainly by the error in predicting the combustion gas flow field.
社団法人日本ガスタービン学会の論文
1995-12-10