Definition
The cylindrical combustion chambers inside a turbine engine where fuel is mixed with compressed air and ignited. Each can contains the flame of combustion and directs the hot, expanding gases rearward toward the turbine section. An engine may have several burner cans arranged in a ring around the engine, or a single annular chamber depending on design.
Plain English
The metal cans inside a jet engine where the fuel actually burns. Compressed air comes in, fuel is sprayed in and lit, and the burning gases rush out the back to spin the turbine.
Context Anchor
Seen in turbine engine descriptions, maintenance discussions, and inspections of the engine’s combustion section.
Derivation
Called 'cans' because each combustion chamber is shaped like a metal can or cylinder. The name is descriptive of the shape, not a technical term in the traditional sense.
Why Pilots Care
Burner cans must maintain even combustion; damage or failure can cause engine vibration, overheating, or loss of thrust.
Analogy
Think of burner cans like separate fire-safe chambers inside the engine. Each one holds controlled burning so the engine can use the hot gas without letting the fire spread where it should not.
Intuition Check
Burner cans are not loose fuel cans or open flames. They are fixed metal chambers inside a turbine engine where fuel and air burn under control.
Example Sentence 1
During the hot section inspection, the mechanic checked each of the burner cans for cracks and warping.
Example Sentence 2
Even flame distribution across all burner cans is essential for smooth turbine operation.