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METHOD AND APPARATUS FOR DETECTING COMBUSTION INSTABILITY IN CONTINUOUS COMBUSTION SYSTEMS
METHOD AND APPARATUS FOR DETECTING COMBUSTION INSTABILITY IN CONTINUOUS COMBUSTION SYSTEMS
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机译:连续燃烧系统中燃烧不稳定性的检测方法和装置
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摘要
An apparatus and method to sense the onset of combustion stability is presented. An electrode is positioned in a turbine combustion chamber such that the electrode is exposed to gases in the combustion chamber. The electrode may be integrated with an igniter. A control module applies a voltage potential to the electrode and detects a combustion ionization signal and determines if there is an oscillation in the combustion ionization signal indicative of the occurrence of combustion stability or the onset of combustion instability. The control module broadcasts a notice if the parameters indicate the combustion process is at the onset of combustion instability or broadcasts an alarm signal if the parameters indicate the combustion process is instable. Combustion parameters are adjusted to drive the combustion process towards stability.
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