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Momentum Theory - Coggle Diagram
Momentum Theory
Assumptions
Propeller imparts
Acceleration
Uniformly distributed
Frictionless flow
Unlimited inflow
to propeller
Load Coefficient
Higher
Less efficient
\( C_t=\dfrac{T}{0,5\rho A_0(V_a)²} \)
Increases Efficiency
Increase
Area
Velocity
Density
Thrust
Propeller as Disk
Imparts a sudden
increase in pressure
No matter how
Before Propeller
Contraction of fluid
Raises velocity
Dops pressure
At the propeller
Increase in Pressure
After Propeller
Pressure drops
Increase in
Kinectic Energy = Work done
