Difference Between Impulse and Reaction Steam Turbine

Difference Between Impulse and Reaction Steam Turbine:

IMPULSE TURBINE IMAGE WITH PARTS:


REACTION TURBINE IMAGE WITH PARTS:

Difference Between Impulse and Reaction Steam Turbine:


Parameters Impulse Turbine Reaction Turbine
Efficiency For the same flow rate & operating condition the efficiency of impulse turbine is very low For same flow rate & operating condition the efficiency of the reaction turbine is high
Space Requirement The size of impulse turbine is very less. The footprint required for reaction turbine is high
Cost The Cost of impulse turbine is much lower when compare to reaction turbine for same power rating. Reaction turbine cost is much higher due to the critical shape of rotor
Application Widely used in petrochemical and refineries. Widely used in Power plants.
Staging In the case of multistage impulse turbine, three type of compounding in impulse turbine. They are
1. Pressure Compounding
2. Velocity Compounding
3. Pressure – Velocity Compounding
No compounding is available
Maintenance Easy Maintenance Not so easy when compare with impulse turbine

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