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Ideal Thrust of Jet Engine Formula

GoIdeal Thrust given Effective Speed Ratio Formula

GoMomentum Thrust Formula

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Ideal Thrust is the thrust produced by an engine when nozzle exit pressure is same as ambient pressure or nozzle is perfectly expanded. Check FAQs

T ideal = m a \cdot (V e - V)

T_ideal - Ideal Thrust?m_a - Mass Flow Rate?V_e - Exit Velocity?V - Flight Speed?

Ideal Thrust of Jet Engine Example

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Here is how the Ideal Thrust of Jet Engine equation looks like with Values.

Here is how the Ideal Thrust of Jet Engine equation looks like with Units.

Here is how the Ideal Thrust of Jet Engine equation looks like.

479.5 = 3.5 \cdot (248 - 111)

479.5N = 3.5kg/s \cdot (248m/s - 111m/s)

479.5 = 3.5 \cdot (248 - 111)

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Ideal Thrust of Jet Engine Solution

Follow our step by step solution on how to calculate Ideal Thrust of Jet Engine?

FIRST Step Consider the formula

T ideal = m a \cdot (V e - V)

Next Step Substitute values of Variables

∴

T ideal = 3.5kg/s \cdot (248m/s - 111m/s)

Next Step Prepare to Evaluate

∴

T ideal = 3.5 \cdot (248 - 111)

LAST Step Evaluate

∴

T ideal = 479.5N

Ideal Thrust of Jet Engine Formula Elements

Variables

Ideal Thrust

Ideal Thrust is the thrust produced by an engine when nozzle exit pressure is same as ambient pressure or nozzle is perfectly expanded.

Symbol: T_ideal

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Ideal Thrust

Mass Flow Rate

Mass Flow Rate represents the amount of mass passing through a system per unit of time.

Symbol: m_a

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Mass Flow Rate

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

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

Other Formulas to find Ideal Thrust

Go Ideal Thrust given Effective Speed Ratio

T ideal = m a \cdot V \cdot ((\frac{1}{α}) - 1)

Go Momentum Thrust

T ideal = m a \cdot ((1 + f) \cdot V e - V)

Go Thrust given aircraft forward speed, velocity of exhaust

T ideal = m a \cdot (V e - V)

Other formulas in Thrust Generation category

Go Total Thrust given Efficiency and Enthalpy

T total = m a \cdot ((\sqrt{2 \cdot Δh nozzle \cdot η nozzle}) - V + (\sqrt{η T \cdot η transmission \cdot Δh turbine}))

Go Thrust power

T P = m a \cdot V \cdot (V e - V)

Go Specific thrust

I sp = V e - V

Go Specific Thrust given Effective Speed Ratio

I sp = V e \cdot (1 - α)

How to Evaluate Ideal Thrust of Jet Engine?

Ideal Thrust of Jet Engine evaluator uses Ideal Thrust = Mass Flow Rate*(Exit Velocity-Flight Speed) to evaluate the Ideal Thrust, Ideal Thrust of Jet Engine is a measure of the maximum possible thrust that can be produced by a jet engine, calculated by considering the mass flow rate of air through the engine, the exit velocity of the exhaust gases and the flight speed of the aircraft. Ideal Thrust is denoted by T_ideal symbol.

How to evaluate Ideal Thrust of Jet Engine using this online evaluator? To use this online evaluator for Ideal Thrust of Jet Engine, enter Mass Flow Rate (m_a), Exit Velocity (V_e) & Flight Speed (V) and hit the calculate button.

FAQs on Ideal Thrust of Jet Engine

What is the formula to find Ideal Thrust of Jet Engine?

The formula of Ideal Thrust of Jet Engine is expressed as Ideal Thrust = Mass Flow Rate*(Exit Velocity-Flight Speed). Here is an example- 479.5 = 3.5*(248-111).

How to calculate Ideal Thrust of Jet Engine?

With Mass Flow Rate (m_a), Exit Velocity (V_e) & Flight Speed (V) we can find Ideal Thrust of Jet Engine using the formula - Ideal Thrust = Mass Flow Rate*(Exit Velocity-Flight Speed).

What are the other ways to Calculate Ideal Thrust?

Here are the different ways to Calculate Ideal Thrust-

Ideal Thrust=Mass Flow Rate*Flight Speed*((1/Effective Speed Ratio)-1)
Ideal Thrust=Mass Flow Rate*((1+Fuel Air Ratio)*Exit Velocity-Flight Speed)
Ideal Thrust=Mass Flow Rate*(Exit Velocity-Flight Speed)

Can the Ideal Thrust of Jet Engine be negative?

No, the Ideal Thrust of Jet Engine, measured in Force cannot be negative.

Which unit is used to measure Ideal Thrust of Jet Engine?

Ideal Thrust of Jet Engine is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Ideal Thrust of Jet Engine can be measured.

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Ideal Thrust of Jet Engine Formula

​GoIdeal Thrust given Effective Speed Ratio Formula

​GoMomentum Thrust Formula

Ideal Thrust of Jet Engine Example

Ideal Thrust of Jet Engine Solution

Ideal Thrust of Jet Engine Formula Elements

Other Formulas to find Ideal Thrust

Other formulas in Thrust Generation category

How to Evaluate Ideal Thrust of Jet Engine?

FAQs on Ideal Thrust of Jet Engine

Variable Name

GoIdeal Thrust given Effective Speed Ratio Formula

GoMomentum Thrust Formula