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Impulse turbine vs Reaction turbine

The image is a comparative diagram titled "Impulse Turbine vs Reaction Turbine" from the Mechanical knowledge (@mechanical_4u) account. It visually explains the differences between the two types of turbines. On the left, the Impulse Turbine is depicted, showing how it uses only the kinetic energy of water to rotate the rotor, with fixed nozzles and moving buckets. On the right, the Reaction Turbine is illustrated, demonstrating how it uses both pressure and kinetic energy of water to spin the rotor, with rotating nozzles and fixed blades. Below these diagrams, there are pressure and velocity graphs for each turbine type, showing how these parameters change across the turbine stages. The post text provides context by highlighting the comparison between the two turbine types.

8:41 PM · Aug 23, 2025

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