Journal
CHAOS
Volume 21, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3563577
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Funding
- Kurata Hitachi Science Technology Foundation
- CASIO Science Foundation
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT)
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We experimentally investigate the dynamic behavior of the combustion instability in a lean premixed gas-turbine combustor from the viewpoint of nonlinear dynamics. A nonlinear time series analysis in combination with a surrogate data method clearly reveals that as the equivalence ratio increases, the dynamic behavior of the combustion instability undergoes a significant transition from stochastic fluctuation to periodic oscillation through low-dimensional chaotic oscillation. We also show that a nonlinear forecasting method is useful for predicting the short-term dynamic behavior of the combustion instability in a lean premixed gas-turbine combustor, which has not been addressed in the fields of combustion science and physics. (C) 2011 American Institute of Physics. [doi:10.1063/1.3563577]
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