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An open-cycle gas-turbine engine is a type of internal-combustion engine that uses a gas as the working fluid to turn a turbine. It operates by taking in atmospheric air, compressing it, and then adding fuel to burn it in a combustion chamber. This process creates hot gases that expand through a turbine, which drives the compressor and provides additional power for other devices like generators or jet propulsion.123

Key components include a compressor, a combustion chamber, and a turbine. While idealized cycles can achieve high efficiency, real-world performance is affected by component efficiencies and the need to manage high temperatures within the turbine. These engines are crucial in aviation for jet engines and also find applications in electric power generation and industrial processes.1453

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