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Propulsive efficiency given aircraft velocity Formula

GoPropulsive efficiency Formula

GoPropulsive Efficiency given Effective Speed Ratio Formula

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Propulsive efficiency is the efficiency with which the energy contained in a fuel is converted into kinetic energy of the vehicle. Check FAQs

η propulsive = \frac{2 \cdot V}{V e + V}

η_propulsive - Propulsive Efficiency?V - Flight Speed?V_e - Exit Velocity?

Propulsive efficiency given aircraft velocity Example

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Here is how the Propulsive efficiency given aircraft velocity equation looks like with Values.

Here is how the Propulsive efficiency given aircraft velocity equation looks like with Units.

Here is how the Propulsive efficiency given aircraft velocity equation looks like.

0.6184 = \frac{2 \cdot 111}{248 + 111}

0.6184 = \frac{2 \cdot 111m/s}{248m/s + 111m/s}

0.6184 = \frac{2 \cdot 111}{248 + 111}

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Propulsive efficiency given aircraft velocity Solution

Follow our step by step solution on how to calculate Propulsive efficiency given aircraft velocity?

FIRST Step Consider the formula

η propulsive = \frac{2 \cdot V}{V e + V}

Next Step Substitute values of Variables

∴

η propulsive = \frac{2 \cdot 111m/s}{248m/s + 111m/s}

Next Step Prepare to Evaluate

∴

η propulsive = \frac{2 \cdot 111}{248 + 111}

Next Step Evaluate

∴

η propulsive = 0.618384401114206

LAST Step Rounding Answer

∴

η propulsive = 0.6184

Propulsive efficiency given aircraft velocity Formula Elements

Variables

Propulsive Efficiency

Propulsive efficiency is the efficiency with which the energy contained in a fuel is converted into kinetic energy of the vehicle.

Symbol: η_propulsive

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Propulsive Efficiency

Flight Speed

Flight Speed refers to the velocity at which an aircraft moves through the air.

Symbol: V

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Flight Speed

Exit Velocity

Exit Velocity refers to the speed at which gases expand at the exit of nozzle of a engine.

Symbol: V_e

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Exit Velocity

Other Formulas to find Propulsive Efficiency

Go Propulsive efficiency

η propulsive = \frac{T P}{P}

Go Propulsive Efficiency given Effective Speed Ratio

η propulsive = \frac{2 \cdot α}{1 + α}

Other formulas in Efficiency Metrics category

Go Isentropic Efficiency of Expansion Machine

η T = \frac{W actual}{W s,out}

Go Net work output in simple gas turbine cycle

W Net = C p \cdot ((T 3 - T 4) - (T 2 - T 1))

Go Propulsive power

P = \frac{1}{2} \cdot ((m a + m f) \cdot {V e}^{2} - (m a \cdot V^{2}))

Go Thermal Efficiency of Jet Engines given Effective Speed Ratio

η th = \frac{{V e}^{2} \cdot (1 - α^{2})}{2 \cdot f \cdot Q}

How to Evaluate Propulsive efficiency given aircraft velocity?

Propulsive efficiency given aircraft velocity evaluator uses Propulsive Efficiency = (2*Flight Speed)/(Exit Velocity+Flight Speed) to evaluate the Propulsive Efficiency, Propulsive efficiency given aircraft velocity is a measure of the effectiveness of an aircraft's propulsion system, comparing the kinetic energy added to the airflow to the energy expended, providing a crucial performance metric for aircraft designers and engineers. Propulsive Efficiency is denoted by η_propulsive symbol.

How to evaluate Propulsive efficiency given aircraft velocity using this online evaluator? To use this online evaluator for Propulsive efficiency given aircraft velocity, enter Flight Speed (V) & Exit Velocity (V_e) and hit the calculate button.

FAQs on Propulsive efficiency given aircraft velocity

What is the formula to find Propulsive efficiency given aircraft velocity?

The formula of Propulsive efficiency given aircraft velocity is expressed as Propulsive Efficiency = (2*Flight Speed)/(Exit Velocity+Flight Speed). Here is an example- 0.618384 = (2*111)/(248+111).

How to calculate Propulsive efficiency given aircraft velocity?

With Flight Speed (V) & Exit Velocity (V_e) we can find Propulsive efficiency given aircraft velocity using the formula - Propulsive Efficiency = (2*Flight Speed)/(Exit Velocity+Flight Speed).

What are the other ways to Calculate Propulsive Efficiency?

Here are the different ways to Calculate Propulsive Efficiency-

Propulsive Efficiency=Thrust Power/Propulsive Power
Propulsive Efficiency=(2*Effective Speed Ratio)/(1+Effective Speed Ratio)

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