This video fully explains the diagram below, or read the step-by-step tutorial on how a steam turbine works: In the diagram below we see a simplified example of how a steam energy turbine works. Here is a simple step by step guide:. Steam enters from the left through the gray pipe at the top, arriving in the very middle of the turbine and just above it. Why. . A steam turbine is a mechanical device that transforms the thermal power of steam into mechanical work in form of rotational energy. In 1884, the first steam turbine was discovered by Sir Charles A. The overall goal is to move an electric generator in a circular fashion, which can be done with a turbine. This has now been almost totally replaced by the steam. .
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