External combustion engine

An external combustion engine (ECE) is a type of heat engine where fuel is burned outside the engine itself to produce heat, which is then used to create mechanical energy. This is in contrast to internal combustion engines (ICEs), where fuel is burned inside the engine's cylinders. ### Key Features of External Combustion Engines: 1. **Combustion Process**: In external combustion engines, the combustion process occurs in a separate chamber.