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Gross Thrust of Turbojet is the total thrust force produced by a turbojet excluding the ram drag. Check FAQs
TG=ma⋅(1+f)⋅Ve+(pe-p∞)⋅Ae
TG - Gross Thrust of Turbojet?ma - Mass Flow Rate Turbojet?f - Fuel Air Ratio?Ve - Exit Velocity?pe - Nozzle Exit Pressure?p∞ - Ambient Pressure?Ae - Nozzle Exit Area?

Turbojet Gross Thrust Example

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Here is how the Turbojet Gross Thrust equation looks like with Values.

Here is how the Turbojet Gross Thrust equation looks like with Units.

Here is how the Turbojet Gross Thrust equation looks like.

1125.4109Edit=5Edit⋅(1+0.008Edit)⋅213Edit+(982Edit-101Edit)⋅0.0589Edit
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Turbojet Gross Thrust Solution

Follow our step by step solution on how to calculate Turbojet Gross Thrust?

FIRST Step Consider the formula
TG=ma⋅(1+f)⋅Ve+(pe-p∞)⋅Ae
Next Step Substitute values of Variables
∴ TG=5kg/s⋅(1+0.008)⋅213m/s+(982Pa-101Pa)⋅0.0589m²
Next Step Prepare to Evaluate
∴ TG=5⋅(1+0.008)⋅213+(982-101)⋅0.0589
LAST Step Evaluate
∴TG=1125.4109N

Turbojet Gross Thrust Formula Elements

Variables
Gross Thrust of Turbojet
Gross Thrust of Turbojet is the total thrust force produced by a turbojet excluding the ram drag.
Symbol: TG
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Formulas to find Gross Thrust of TurbojetOpen Variable
Mass Flow Rate Turbojet
Mass Flow Rate Turbojet represents the amount of air entering a turbojet engine per unit time.
Symbol: ma
Measurement: Mass Flow RateUnit: kg/s
Note: Value should be greater than 0.
Formulas to find Mass Flow Rate TurbojetOpen Variable
Fuel Air Ratio
Fuel Air Ratio signifies the proportion of fuel mixed with air in a combustion system.
Symbol: f
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Formulas to find Fuel Air RatioOpen Variable
Exit Velocity
Exit Velocity refers to the speed at which gases expand at the exit of nozzle of a turbojet engine.
Symbol: Ve
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.
Formulas to find Exit VelocityOpen Variable
Nozzle Exit Pressure
Nozzle Exit Pressure refers to the pressure at the exit of a nozzle or exhaust of a system.
Symbol: pe
Measurement: PressureUnit: Pa
Note: Value should be greater than 0.
Formulas to find Nozzle Exit PressureOpen Variable
Ambient Pressure
Ambient Pressure refers to the pressure of the surrounding environment, typically measured relative to a vacuum.
Symbol: p∞
Measurement: PressureUnit: Pa
Note: Value should be greater than 0.
Formulas to find Ambient PressureOpen Variable
Nozzle Exit Area
Nozzle Exit Area refers to the cross-sectional area at the exit of a nozzle.
Symbol: Ae
Measurement: AreaUnit: m²
Note: Value should be greater than 0.
Formulas to find Nozzle Exit AreaOpen Variable

Other Formulas to find Gross Thrust of Turbojet

​Go Gross Thrust of Turbojet given Net Thrust
TG=T+Dram

Other formulas in Turbojets category

​Go Mass Flow Rate of Exhaust Gases
mtotal=ma+mf
​Go Mass Flow Rate of Exhaust Gases given Fuel Air Ratio
mtotal=ma⋅(1+f)

How to Evaluate Turbojet Gross Thrust?

Turbojet Gross Thrust evaluator uses Gross Thrust of Turbojet = Mass Flow Rate Turbojet*(1+Fuel Air Ratio)*Exit Velocity+(Nozzle Exit Pressure-Ambient Pressure)*Nozzle Exit Area to evaluate the Gross Thrust of Turbojet, Turbojet Gross Thrust is a measure of the total thrust produced by a turbojet engine, taking into account the mass flow rate, exhaust velocity, and pressure difference between the exhaust and ambient conditions. This calculation is essential for evaluating the performance and efficiency of turbojet engines in aircraft propulsion systems. Gross Thrust of Turbojet is denoted by TG symbol.

How to evaluate Turbojet Gross Thrust using this online evaluator? To use this online evaluator for Turbojet Gross Thrust, enter Mass Flow Rate Turbojet (ma), Fuel Air Ratio (f), Exit Velocity (Ve), Nozzle Exit Pressure (pe), Ambient Pressure (p∞) & Nozzle Exit Area (Ae) and hit the calculate button.

FAQs on Turbojet Gross Thrust

What is the formula to find Turbojet Gross Thrust?
The formula of Turbojet Gross Thrust is expressed as Gross Thrust of Turbojet = Mass Flow Rate Turbojet*(1+Fuel Air Ratio)*Exit Velocity+(Nozzle Exit Pressure-Ambient Pressure)*Nozzle Exit Area. Here is an example- 1122.216 = 5*(1+0.008)*213+(982-101)*0.0589.
How to calculate Turbojet Gross Thrust?
With Mass Flow Rate Turbojet (ma), Fuel Air Ratio (f), Exit Velocity (Ve), Nozzle Exit Pressure (pe), Ambient Pressure (p∞) & Nozzle Exit Area (Ae) we can find Turbojet Gross Thrust using the formula - Gross Thrust of Turbojet = Mass Flow Rate Turbojet*(1+Fuel Air Ratio)*Exit Velocity+(Nozzle Exit Pressure-Ambient Pressure)*Nozzle Exit Area.
What are the other ways to Calculate Gross Thrust of Turbojet?
Here are the different ways to Calculate Gross Thrust of Turbojet-
  • Gross Thrust of Turbojet=Net Thrust of Turbojet+Ram Drag of TurbojetOpenImg
Can the Turbojet Gross Thrust be negative?
No, the Turbojet Gross Thrust, measured in Force cannot be negative.
Which unit is used to measure Turbojet Gross Thrust?
Turbojet Gross Thrust is usually measured using the Newton[N] for Force. Exanewton[N], Meganewton[N], Kilonewton[N] are the few other units in which Turbojet Gross Thrust can be measured.
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