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 00.020 seconds)

Credits

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

Thrust Generation Calculators

Total Thrust given Efficiency and Enthalpy
​ LaTeX ​ 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)))
Thrust power
​ LaTeX ​ Go Thrust Power = Mass Flow Rate*Flight Speed*(Exit Velocity-Flight Speed)
Ideal Thrust given Effective Speed Ratio
​ LaTeX ​ Go Ideal Thrust = Mass Flow Rate*Flight Speed*((1/Effective Speed Ratio)-1)
Specific thrust
​ LaTeX ​ Go Specific Thrust = Exit Velocity-Flight Speed

Specific thrust Formula

​LaTeX ​Go
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, Specific Thrust is a measure of the efficiency of a propulsion system, calculated as the difference between the exit velocity of the exhaust gases and the flight speed, providing a critical performance indicator for aerospace engineers and aircraft designers. 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?
Specific Thrust is a measure of the efficiency of a propulsion system, calculated as the difference between the exit velocity of the exhaust gases and the flight speed, providing a critical performance indicator for aerospace engineers and aircraft designers 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?
Specific Thrust is a measure of the efficiency of a propulsion system, calculated as the difference between the exit velocity of the exhaust gases and the flight speed, providing a critical performance indicator for aerospace engineers and aircraft designers 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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