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What Are Impluse Turbines?

time2011/10/18

Impulse pelton type turbine are driven by high-velocity jets of steam or water, according to the Encyclopedia of Alternative and Sustainable Living. These jets remove kinetic energy from the spinning turbine.
Gas
Gas or water is directed into the turbine's blades at 45 to 85 degrees relative to the shaft, according to the Phoenix Turbine Builders' Club.
Velocity
Pressure remains constant as gas leaves impulse turbines, but the gas velocity decreases. This is unique to impulse turbines, according to the Builder's Club.
Pelton Turbine
The pelton type turbine is a type of impulse turbine that has one or more free jets discharging steam or water into an aerated space. No tubes are needed to direct the stream in Pelton turbines.
Turgo Turbine
The Turgo is a variation of the Pelton turbine, according to The Encyclopedia of Alternative Energy. Its blade is closed on the outer edges.
Cross-Flow Turbine
The cross-flow turbine is designed to let water pelton type turbine flow through the turbine's blade twice. This turbine was created to accommodate more water than the Pelton turbine.