Which section provides for proper mixing of fuel and air in a gas turbine engine?

Which section provides for proper mixing of fuel and air in a gas turbine engine?

• A. Intake Section
• B. Compressor Section
• C. Combustion Section
• D. Turbine Section

Answer: (C)

Fuel and air must meet and blend before burning, and that happens in the combustion section. After the air is compressed, it flows into the combustion chamber where fuel is sprayed and atomized into the airstream. The design promotes thorough mixing and a stable flame, so the mixture can burn efficiently and predictably. The intake just brings air in, the compressor only increases pressure, and the turbine uses the hot combustion gases to extract energy—none of these primarily handle the fuel-air mixing that occurs in the combustion chamber.

Fuel and air must meet and blend before burning, and that happens in the combustion section. After the air is compressed, it flows into the combustion chamber where fuel is sprayed and atomized into the airstream. The design promotes thorough mixing and a stable flame, so the mixture can burn efficiently and predictably. The intake just brings air in, the compressor only increases pressure, and the turbine uses the hot combustion gases to extract energy—none of these primarily handle the fuel-air mixing that occurs in the combustion chamber.