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Gross thrust Formula

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Gross Thrust is the total thrust of a jet engine without deduction of the drag caused by the momentum of the incoming air. Check FAQs

T G = m a \cdot V e

T_G - Gross Thrust?m_a - Mass Flow Rate?V_e - Exit Velocity?

Gross thrust Example

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With units

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Here is how the Gross thrust equation looks like with Values.

Here is how the Gross thrust equation looks like with Units.

Here is how the Gross thrust equation looks like.

868 = 3.5 \cdot 248

868N = 3.5kg/s \cdot 248m/s

868 = 3.5 \cdot 248

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Gross thrust Solution

Follow our step by step solution on how to calculate Gross thrust?

FIRST Step Consider the formula

T G = m a \cdot V e

Next Step Substitute values of Variables

∴

T G = 3.5kg/s \cdot 248m/s

Next Step Prepare to Evaluate

∴

T G = 3.5 \cdot 248

LAST Step Evaluate

∴

T G = 868N

Gross thrust Formula Elements

Variables

Gross Thrust

Gross Thrust is the total thrust of a jet engine without deduction of the drag caused by the momentum of the incoming air.

Symbol: T_G

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Gross 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

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 Ideal Thrust given Effective Speed Ratio

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

Go Thrust power

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

Go Specific thrust

I sp = V e - V

How to Evaluate Gross thrust?

Gross thrust evaluator uses Gross Thrust = Mass Flow Rate*Exit Velocity to evaluate the Gross Thrust, Gross Thrust is a measure of the forward force exerted by a propulsion system, calculated as the product of the mass flow rate and exit velocity of the exhaust gases. Gross Thrust is denoted by T_G symbol.

How to evaluate Gross thrust using this online evaluator? To use this online evaluator for Gross thrust, enter Mass Flow Rate (m_a) & Exit Velocity (V_e) and hit the calculate button.

FAQs on Gross thrust

What is the formula to find Gross thrust?

The formula of Gross thrust is expressed as Gross Thrust = Mass Flow Rate*Exit Velocity. Here is an example- 868 = 3.5*248.

How to calculate Gross thrust?

With Mass Flow Rate (m_a) & Exit Velocity (V_e) we can find Gross thrust using the formula - Gross Thrust = Mass Flow Rate*Exit Velocity.

Can the Gross thrust be negative?

No, the Gross thrust, measured in Force cannot be negative.

Which unit is used to measure Gross thrust?

Gross thrust is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Gross thrust can be measured.

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