Improved thermoacoustic model considering heat release distribution 열분포를 고려한 열음향 모델의 개선

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Thermoacoustic (TA) models have been widely used to predict combustion instability characteristics in a gas turbine lean premixed combustor. However, these techniques have shown some limitations in improving the model accuracy related to an over-simplification of the combustion system and flame geometry. Efforts were made in the current study to improve the limitations of the TA models. One strategy was to modify the actual flame location in the model, and another was to consider the heat release distribution through the flames. The modified TA model results show better accuracy in predicting the growth rate of instabilities compared with the previous results. © 2014 The Korean Society of Mechanical Engineers.
Publisher
Korean Society of Mechanical Engineers
Issue Date
2014-06
Language
Korean
Citation

Transactions of the Korean Society of Mechanical Engineers, B, v.38, no.6, pp.443 - 449

ISSN
1226-4881
URI
http://hdl.handle.net/10203/207563
Appears in Collection
AE-Journal Papers(저널논문)
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