| 摘要 |
PURPOSE: To reduce an acoustic vibration within a combustion chamber without having any relation with the type of fuel (liquid-like or gaseous fuel) by a method wherein a location showing a thermal discharging variation in respect to combustion is controlled for controlling combustion. CONSTITUTION: A pressure sensor 15 is arranged at a location showing a powerful pressure variation, for example, within a combustion chamber 3 to measure a pressure variation related to a thermal acoustic vibration, accepts the pressure variation and transmits a generated signal to a measured value processing preparation device 16. The measured signal released from hindrance by the measured value processing preparation device 16, and amplified to a required level is transmitted to a measured value processing device 17. A signal properly processed with a required phase shift being performed within a control loop comprising a pressure sensor 15, a control device 2 and a control valve 14 and the like at the measured value processing device reaches the control device 18. The control device 18 may generate a required amount of operation for controlling the control valve 14. With such an arrangement as above, it is possible to perform an effective attenuation of thermal acoustic vibration within the combustion chamber 3 without having any relation with the type of fuel (liquid or gaseous fuel). |
