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SINGLE DYNAMIC PRESSURE SENSOR BASED FLAME MONITORING OF A GAS TURBINE COMBUSTOR

机译:基于单压力传感器的燃气轮机燃烧器火焰监测

摘要

The state of a flame in a gas turbine combustor is acoustically monitored using a single dynamic pressure sensor within the combustor. A dynamic pressure sensor output signal is received from the single sensor and is processed to determine a flame status. The signal is processed by performing an autocorrelation operation to identify time-separated portions of the signal and to determine that the time-separated portions of the signal include portions indicative of acoustic oscillations emitted by the flame in the gas turbine engine combustor and received directly by the single acoustic sensor, and portions indicative of reflections.
机译:使用燃烧器内的单个动态压力传感器对燃气轮机燃烧器中的火焰状态进行声学监测。从单个传感器接收动态压力传感器输出信号,并对其进行处理以确定火焰状态。通过执行自相关运算来处理信号,以识别信号的时间分隔部分,并确定信号的时间分隔部分包括指示燃气涡轮发动机燃烧器中火焰发出并直接由火焰接收的声振荡的部分。单个声学传感器,以及指示反射的部分。

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