Specific thrust Solution

STEP 0: Pre-Calculation Summary
Formula Used
Specific Thrust = Exit Velocity-Flight Speed
Isp = Ve-V
This formula uses 3 Variables
Variables Used
Specific Thrust - (Measured in Meter per Second) - Specific Thrust is the thrust produced per unit mass in per unit time.
Exit Velocity - (Measured in Meter per Second) - Exit Velocity refers to the speed at which gases expand at the exit of nozzle of a engine.
Flight Speed - (Measured in Meter per Second) - Flight Speed refers to the velocity at which an aircraft moves through the air.
STEP 1: Convert Input(s) to Base Unit
Exit Velocity: 248 Meter per Second --> 248 Meter per Second No Conversion Required
Flight Speed: 111 Meter per Second --> 111 Meter per Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Isp = Ve-V --> 248-111
Evaluating ... ...
Isp = 137
STEP 3: Convert Result to Output's Unit
137 Meter per Second --> No Conversion Required
FINAL ANSWER
137 Meter per Second <-- Specific Thrust
(Calculation completed in 00.004 seconds)

Credits

Created by Chilvera Bhanu Teja
Institute of Aeronautical Engineering (IARE), Hyderabad
Chilvera Bhanu Teja has created this Calculator and 300+ more calculators!
Verified by Vaibhav Malani
National Institute of Technology (NIT), Tiruchirapalli
Vaibhav Malani has verified this Calculator and 200+ more calculators!

21 Thrust Generation Calculators

Total Thrust given Efficiency and Enthalpy
Go Total Thrust = Mass Flow Rate*((sqrt(2*Enthalpy Drop in Nozzle*Nozzle Efficiency))-Flight Speed+(sqrt(Turbine Efficiency*Efficiency of Transmission*Enthalpy Drop in Turbine)))
Momentum Thrust
Go Ideal Thrust = Mass Flow Rate*((1+Fuel Air Ratio)*Exit Velocity-Flight Speed)
Thrust power
Go Thrust Power = Mass Flow Rate*Flight Speed*(Exit Velocity-Flight Speed)
Ideal Thrust given Effective Speed Ratio
Go Ideal Thrust = Mass Flow Rate*Flight Speed*((1/Effective Speed Ratio)-1)
Thrust given aircraft forward speed, velocity of exhaust
Go Ideal Thrust = Mass Flow Rate*(Exit Velocity-Flight Speed)
Mass Flow Rate given Ideal Thrust
Go Mass Flow Rate = Ideal Thrust/(Exit Velocity-Flight Speed)
Ideal Thrust of Jet Engine
Go Ideal Thrust = Mass Flow Rate*(Exit Velocity-Flight Speed)
Velocity after Expansion given Ideal Thrust
Go Exit Velocity = Ideal Thrust/Mass Flow Rate+Flight Speed
Flight Speed given Ideal Thrust
Go Flight Speed = Exit Velocity-Ideal Thrust/Mass Flow Rate
Thrust specific fuel consumption
Go Thrust-Specific Fuel Consumption = (3600*Fuel Air Ratio)/Specific Thrust
Thrust power specific fuel consumption
Go Thrust Power Specific Fuel Consumption = Fuel Flow Rate/Thrust Power
Gross Thrust Coefficient
Go Gross Thrust Coefficient = Gross Thrust/Ideal Gross Thrust
Specific Thrust given Effective Speed Ratio
Go Specific Thrust = Exit Velocity*(1-Effective Speed Ratio)
Flight Speed given Momentum of Ambient Air
Go Flight Speed = Momentum of Ambient Air/Mass Flow Rate
Mass Flow given Momentum in Ambient Air
Go Mass Flow Rate = Momentum of Ambient Air/Flight Speed
Momentum of Ambient Air
Go Momentum of Ambient Air = Mass Flow Rate*Flight Speed
Specific thrust
Go Specific Thrust = Exit Velocity-Flight Speed
Gross thrust
Go Gross Thrust = Mass Flow Rate*Exit Velocity
Mass Flow Rate given Ram Drag and Flight Speed
Go Mass Flow Rate = Ram Drag/Flight Speed
Flight Speed given Ram Drag and Mass Flow Rate
Go Flight Speed = Ram Drag/Mass Flow Rate
Ram drag
Go Ram Drag = Mass Flow Rate*Flight Speed

Specific thrust Formula

Specific Thrust = Exit Velocity-Flight Speed
Isp = Ve-V

What is specific thrust?

Specific thrust is defined as the thrust per unit mass of air flow, it is also known as specific impulse.

How to Calculate Specific thrust?

Specific thrust calculator uses Specific Thrust = Exit Velocity-Flight Speed to calculate the Specific Thrust, The Specific thrust formula is defined as the difference between the aircraft jet velocity and aircraft forward velocity. Specific Thrust is denoted by Isp symbol.

How to calculate Specific thrust using this online calculator? To use this online calculator for Specific thrust, enter Exit Velocity (Ve) & Flight Speed (V) and hit the calculate button. Here is how the Specific thrust calculation can be explained with given input values -> 137 = 248-111.

FAQ

What is Specific thrust?
The Specific thrust formula is defined as the difference between the aircraft jet velocity and aircraft forward velocity and is represented as Isp = Ve-V or Specific Thrust = Exit Velocity-Flight Speed. Exit Velocity refers to the speed at which gases expand at the exit of nozzle of a engine & Flight Speed refers to the velocity at which an aircraft moves through the air.
How to calculate Specific thrust?
The Specific thrust formula is defined as the difference between the aircraft jet velocity and aircraft forward velocity is calculated using Specific Thrust = Exit Velocity-Flight Speed. To calculate Specific thrust, you need Exit Velocity (Ve) & Flight Speed (V). With our tool, you need to enter the respective value for Exit Velocity & Flight Speed and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Specific Thrust?
In this formula, Specific Thrust uses Exit Velocity & Flight Speed. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Specific Thrust = Exit Velocity*(1-Effective Speed Ratio)
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