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Propeller Efficiency is defined as power produced (propeller power) divided by power applied (engine power). Check FAQs
η=RpropcCDCLln(W0W1)
η - Propeller Efficiency?Rprop - Range of Propeller Aircraft?c - Specific Fuel Consumption?CD - Drag Coefficient?CL - Lift Coefficient?W0 - Gross Weight?W1 - Weight without Fuel?

Propeller Efficiency for given Range of Propeller-Driven Airplane Example

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Here is how the Propeller Efficiency for given Range of Propeller-Driven Airplane equation looks like with Values.

Here is how the Propeller Efficiency for given Range of Propeller-Driven Airplane equation looks like with Units.

Here is how the Propeller Efficiency for given Range of Propeller-Driven Airplane equation looks like.

0.93Edit=7126.017Edit0.6Edit2Edit5Editln(5000Edit3000Edit)
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Propeller Efficiency for given Range of Propeller-Driven Airplane Solution

Follow our step by step solution on how to calculate Propeller Efficiency for given Range of Propeller-Driven Airplane?

FIRST Step Consider the formula
η=RpropcCDCLln(W0W1)
Next Step Substitute values of Variables
η=7126.017m0.6kg/h/W25ln(5000kg3000kg)
Next Step Convert Units
η=7126.017m0.0002kg/s/W25ln(5000kg3000kg)
Next Step Prepare to Evaluate
η=7126.0170.000225ln(50003000)
Next Step Evaluate
η=0.929999941071142
LAST Step Rounding Answer
η=0.93

Propeller Efficiency for given Range of Propeller-Driven Airplane Formula Elements

Variables
Functions
Propeller Efficiency
Propeller Efficiency is defined as power produced (propeller power) divided by power applied (engine power).
Symbol: η
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Range of Propeller Aircraft
Range of Propeller Aircraft is defined as the total distance (measured with respect to ground) traversed by the aircraft on a tank of fuel.
Symbol: Rprop
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Specific Fuel Consumption
Specific Fuel Consumption is a characteristic of the engine and defined as the weight of fuel consumed per unit power per unit time.
Symbol: c
Measurement: Specific Fuel ConsumptionUnit: kg/h/W
Note: Value should be greater than 0.
Drag Coefficient
Drag Coefficient is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.
Symbol: CD
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Lift Coefficient
The Lift Coefficient is a dimensionless coefficient that relates the lift generated by a lifting body to the fluid density around the body, the fluid velocity and an associated reference area.
Symbol: CL
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Gross Weight
The Gross Weight of the airplane is the weight with full fuel and payload.
Symbol: W0
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
Weight without Fuel
Weight without Fuel is the total weight of the airplane without fuel.
Symbol: W1
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
ln
The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function.
Syntax: ln(Number)

Other Formulas to find Propeller Efficiency

​Go Propeller Efficiency for given Range and Lift-to-Drag Ratio of Propeller-Driven Airplane
η=RpropcLD(ln(W0W1))
​Go Propeller Efficiency for given Endurance of Propeller-Driven Airplane
η=E(1c)(CL1.5CD)(2ρS)(((1W1)12)-((1W0)12))

Other formulas in Propeller Driven Airplane category

​Go Range of Propeller-Driven Airplane
Rprop=(ηc)(CLCD)(ln(W0W1))
​Go Specific Fuel Consumption for given Range of Propeller-Driven Airplane
c=(ηRprop)(CLCD)(ln(W0W1))

How to Evaluate Propeller Efficiency for given Range of Propeller-Driven Airplane?

Propeller Efficiency for given Range of Propeller-Driven Airplane evaluator uses Propeller Efficiency = Range of Propeller Aircraft*Specific Fuel Consumption*Drag Coefficient/(Lift Coefficient*ln(Gross Weight/Weight without Fuel)) to evaluate the Propeller Efficiency, Propeller Efficiency for given Range of Propeller-Driven Airplane is a measure of the effectiveness of a propeller in converting engine power into thrust, taking into account the specific fuel consumption, drag coefficient, lift coefficient, and weight of the aircraft, thereby enabling the calculation of the optimal propeller design for a given range of operation. Propeller Efficiency is denoted by η symbol.

How to evaluate Propeller Efficiency for given Range of Propeller-Driven Airplane using this online evaluator? To use this online evaluator for Propeller Efficiency for given Range of Propeller-Driven Airplane, enter Range of Propeller Aircraft (Rprop), Specific Fuel Consumption (c), Drag Coefficient (CD), Lift Coefficient (CL), Gross Weight (W0) & Weight without Fuel (W1) and hit the calculate button.

FAQs on Propeller Efficiency for given Range of Propeller-Driven Airplane

What is the formula to find Propeller Efficiency for given Range of Propeller-Driven Airplane?
The formula of Propeller Efficiency for given Range of Propeller-Driven Airplane is expressed as Propeller Efficiency = Range of Propeller Aircraft*Specific Fuel Consumption*Drag Coefficient/(Lift Coefficient*ln(Gross Weight/Weight without Fuel)). Here is an example- 0.929998 = 7126.017*0.000166666666666667*2/(5*ln(5000/3000)).
How to calculate Propeller Efficiency for given Range of Propeller-Driven Airplane?
With Range of Propeller Aircraft (Rprop), Specific Fuel Consumption (c), Drag Coefficient (CD), Lift Coefficient (CL), Gross Weight (W0) & Weight without Fuel (W1) we can find Propeller Efficiency for given Range of Propeller-Driven Airplane using the formula - Propeller Efficiency = Range of Propeller Aircraft*Specific Fuel Consumption*Drag Coefficient/(Lift Coefficient*ln(Gross Weight/Weight without Fuel)). This formula also uses Natural Logarithm (ln) function(s).
What are the other ways to Calculate Propeller Efficiency?
Here are the different ways to Calculate Propeller Efficiency-
  • Propeller Efficiency=Range of Propeller Aircraft*Specific Fuel Consumption/(Lift-to-Drag Ratio*(ln(Gross Weight/Weight without Fuel)))OpenImg
  • Propeller Efficiency=Endurance of Aircraft/((1/Specific Fuel Consumption)*((Lift Coefficient^1.5)/Drag Coefficient)*(sqrt(2*Freestream Density*Reference Area))*(((1/Weight without Fuel)^(1/2))-((1/Gross Weight)^(1/2))))OpenImg
  • Propeller Efficiency=Available Power/Brake PowerOpenImg
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