Chapter Four Laith Batarseh · Laith Batarseh Home t us End Impulse turbines-Pelton wheel...
Transcript of Chapter Four Laith Batarseh · Laith Batarseh Home t us End Impulse turbines-Pelton wheel...
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Chapter Four
Laith Batarseh
Home
Nex
t
Pre
vio
us
End
Impulse turbines-Pelton wheel
Hydro-turbines
Impulse Reaction
Energy extracted at the atmospheric pressure Pelton wheel is an example.
Energy extracted due to diffrence in pressure Frances turbine is an example.
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Impulse turbines-Pelton wheel
System description
Impulse turbines-Pelton wheel
System description
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Impulse turbines-Pelton wheel
Theoretical analysis
Impulse turbines-Pelton wheel
Kinetic energy of jet
Losses
In nozzle In bucket Residual kinetic energy
Miscellaneous losses
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Impulse turbines-Pelton wheel
Losses in nozzle
Losses in bucket
Impulse turbines-Pelton wheel
Residual kinetic energy losses, HLe
Net head, H
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Impulse turbines-Pelton wheel
Overall power,P
Impulse turbines-Pelton wheel
Speed Ratio, Ku
0.43 < Ku< 0.47
Specific speed,Ns
8< Ns< 30
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Impulse turbines-Pelton wheel
Specific speed,Ns
Rotational speed,N
Impulse turbines-Pelton wheel
Specific Speed in Terms of Defined Ratios
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Coefficient of Velocity of the Nozzle, Cv
0.98< Cv< 0.99
Jet Ratio, m
7< m< 26
Also
Impulse turbines-Pelton wheel
4.2.2Basic theory of Pelton Wheel
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Impulse turbines-Pelton wheel
4.2.2Basic theory of Pelton Wheel
Impulse turbines-Pelton wheel
Velocity triangles
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Governing equations
Force
Torque
Power
Head
Hydraulic efficiency
Impulse turbines-Pelton wheel
Other equations
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Impulse turbines-Pelton wheel
Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
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Impulse turbines-Pelton wheel
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