TURBINES

Impulse TurbineReaction Turbine

DE-LAVAL TURBINE

COMPOUNDING OF IMPULSE TURBINE

IMPULSE VS REACTIONPower obtained (Impulse, Reaction)Pressure dropRelative velocity at inlet and outlet of bladeBlade symmetrical or notInlet area of moving blade to outlet area

IMPULSE TURBINE PELTON WHEEL

REACTION TURBINE FRANCIS, KAPLAN

Pelton Turbines

They are used where a small flow is available with a large head.

Francis Turbines

They are used where a large flow and a high or medium head of water is involved.