The fundamental purpose of the combustion system is to add energy to the high-pressure air discharged from the compressor. In a GE heavy-duty gas turbine, such as the 7F or 9HA series, this system typically employs a reverse-flow, multi-can annular design. Each “can” houses a fuel nozzle, a liner, and a flow sleeve. The fuel nozzle atomizes liquid fuel or mixes gaseous fuel with a portion of the compressed air. The resulting flame must be sustained continuously at temperatures exceeding 1,500°C. The component’s genius lies in its ability to perform this task while ensuring that the resulting hot gas, diluted with secondary cooling air, exits at a uniform temperature profile acceptable to the first-stage turbine nozzles. Without this precise function, the turbine would suffer catastrophic thermal failure.
This is where chemical energy becomes thermal energy. ge gas turbine part
: Precision-machined components that meter and atomize fuel (gas or liquid). DLN fuel nozzles utilize multi-nozzle arrays to achieve lean premixed combustion, suppressing flame temperatures and NOx formation. The fundamental purpose of the combustion system is