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Stirling engine - hot-air engine

Stirling engine - hot-air engine

Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside the cylinder.

Physics

Keywords

Stirling engine, hot-air engine, Stirling, heat engine, engine, external combustion engine, working piston, heat sink fin, piston, heat transfer, efficiency, heat exchanger, gas laws, work, thermodynamics, physics

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  • - It only changes the location of the air, not its volume. The Stirling engine works on the principle that air expands when heated and contracts when cooled. When the air in the cylinder expands it pushes the piston backwards, when the air contracts, the piston is pushed fowards. Temperature differences are converted into motion and mechanical work. The displacer piston moves the air between the hot end and the cold end of the cylinder.

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