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Propulsion Net Thrust Formula

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Thrust Force acting perpendicular to job piece. Check FAQs

Ft = m af \cdot (V J - V f)

Ft - Thrust Force?m_af - Air Mass Flow Rate?V_J - Velocity of Jet?V_f - Flight Velocity?

Propulsion Net Thrust Example

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Here is how the Propulsion Net Thrust equation looks like with Values.

Here is how the Propulsion Net Thrust equation looks like with Units.

Here is how the Propulsion Net Thrust equation looks like.

9.81 = 0.9 \cdot (60.9 - 50)

9.81N = 0.9kg/s \cdot (60.9m/s - 50m/s)

9.81 = 0.9 \cdot (60.9 - 50)

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Propulsion Net Thrust Solution

Follow our step by step solution on how to calculate Propulsion Net Thrust?

FIRST Step Consider the formula

Ft = m af \cdot (V J - V f)

Next Step Substitute values of Variables

∴

Ft = 0.9kg/s \cdot (60.9m/s - 50m/s)

Next Step Prepare to Evaluate

∴

Ft = 0.9 \cdot (60.9 - 50)

LAST Step Evaluate

∴

Ft = 9.81N

Propulsion Net Thrust Formula Elements

Variables

Thrust Force

Thrust Force acting perpendicular to job piece.

Symbol: Ft

Measurement: ForceUnit: N

Note: Value should be greater than 0.

Formulas to find Thrust Force

Air Mass Flow Rate

Air Mass Flow Rate is the mass of intake air that is flowing per unit time.

Symbol: m_af

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Air Mass Flow Rate

Velocity of Jet

Velocity of Jet can be described as the movement of the plate in meters per second.

Symbol: V_J

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Velocity of Jet

Flight Velocity

Flight Velocity is defined as a positive towards the tail of the aircraft.

Symbol: V_f

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Flight Velocity

Other formulas in Design Process category

Go Minimum Design Index

DI min = \frac{(CI \cdot P c) + (WI \cdot P w) + (TI \cdot P t)}{100}

Go Cost Index given Minimum Design Index

CI = \frac{(DI min \cdot 100) - (WI \cdot P w) - (TI \cdot P t)}{P c}

Go Period of Design Index given Minimum Design Index

TI = \frac{(DI min \cdot 100) - (WI \cdot P w) - (CI \cdot P c)}{P t}

Go Weight Index given Minimum Design Index

WI = \frac{(DI min \cdot 100) - (CI \cdot P c) - (TI \cdot P t)}{P w}

How to Evaluate Propulsion Net Thrust?

Propulsion Net Thrust evaluator uses Thrust Force = Air Mass Flow Rate*(Velocity of Jet-Flight Velocity) to evaluate the Thrust Force, Propulsion Net Thrust refers to the resultant force produced by a propulsion system, typically a jet or rocket engine, that propels an aircraft or spacecraft forward, it represents the difference between the thrust generated by the engine and the aerodynamic drag acting against the vehicle's motion. Thrust Force is denoted by Ft symbol.

How to evaluate Propulsion Net Thrust using this online evaluator? To use this online evaluator for Propulsion Net Thrust, enter Air Mass Flow Rate (m_af), Velocity of Jet (V_J) & Flight Velocity (V_f) and hit the calculate button.

FAQs on Propulsion Net Thrust

What is the formula to find Propulsion Net Thrust?

The formula of Propulsion Net Thrust is expressed as Thrust Force = Air Mass Flow Rate*(Velocity of Jet-Flight Velocity). Here is an example- 9.81 = 0.9*(60.9-50).

How to calculate Propulsion Net Thrust?

With Air Mass Flow Rate (m_af), Velocity of Jet (V_J) & Flight Velocity (V_f) we can find Propulsion Net Thrust using the formula - Thrust Force = Air Mass Flow Rate*(Velocity of Jet-Flight Velocity).

Can the Propulsion Net Thrust be negative?

No, the Propulsion Net Thrust, measured in Force cannot be negative.

Which unit is used to measure Propulsion Net Thrust?

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

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Propulsion Net Thrust Formula

Propulsion Net Thrust Example

Propulsion Net Thrust Solution

Propulsion Net Thrust Formula Elements

Other formulas in Design Process category

How to Evaluate Propulsion Net Thrust?

FAQs on Propulsion Net Thrust

Variable Name