Velocity Coefficient Solution

STEP 0: Pre-Calculation Summary
Formula Used
Velocity Coefficient = Actual Exit Velocity/Ideal Exit Velocity
Cv = Cact/Cideal
This formula uses 3 Variables
Variables Used
Velocity Coefficient - Velocity Coefficient is the ratio of the actual exit velocity to the ideal exit velocity.
Actual Exit Velocity - (Measured in Meter per Second) - Actual exit velocity is the velocity at the exit of nozzle, it includes losses due to external factors.
Ideal Exit Velocity - (Measured in Meter per Second) - Ideal Exit Velocity is the velocity at the exit of nozzle, it does not includes losses due to external factors.
STEP 1: Convert Input(s) to Base Unit
Actual Exit Velocity: 153 Meter per Second --> 153 Meter per Second No Conversion Required
Ideal Exit Velocity: 199 Meter per Second --> 199 Meter per Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Cv = Cact/Cideal --> 153/199
Evaluating ... ...
Cv = 0.768844221105528
STEP 3: Convert Result to Output's Unit
0.768844221105528 --> No Conversion Required
FINAL ANSWER
0.768844221105528 0.768844 <-- Velocity Coefficient
(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
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8 Nozzle Calculators

Reversible Nozzle Jet Velocity
Go Ideal Exit Velocity = sqrt(2*Specific Heat at Constant Pressure*Nozzle Temperature*(1-(Pressure Ratio)^((Specific Heat Ratio-1)/(Specific Heat Ratio))))
Kinetic Energy of Exhaust Gases
Go Kinetic Energy of Gas = 1/2*Ideal Mass Flow Rate*(1+Fuel to Air Ratio)*Ideal Exit Velocity^2
Jet velocity given temperature drop
Go Ideal Exit Velocity = sqrt(2*Specific Heat at Constant Pressure*Temperature Drop)
Discharge Coefficient given Mass Flow
Go Discharge Coefficient = Actual Mass Flow Rate/Ideal Mass Flow Rate
Discharge Coefficient given Flow Area
Go Discharge Coefficient = Actual Nozzle Flow Area/Nozzle Throat Area
Velocity Coefficient
Go Velocity Coefficient = Actual Exit Velocity/Ideal Exit Velocity
Ideal Exhaust Velocity given Enthalpy Drop
Go Ideal Exit Velocity = sqrt(2*Enthalpy Drop in Nozzle)
Velocity Coefficient given Nozzle Efficiency
Go Velocity Coefficient = sqrt(Nozzle Efficiency)

Velocity Coefficient Formula

Velocity Coefficient = Actual Exit Velocity/Ideal Exit Velocity
Cv = Cact/Cideal

What is velocity coefficient?

The velocity coefficient is the ratio of the actual exit velocity to the ideal exit velocity, It represents the effect of frictional loss in the boundary layer of the nozzle.

How to Calculate Velocity Coefficient?

Velocity Coefficient calculator uses Velocity Coefficient = Actual Exit Velocity/Ideal Exit Velocity to calculate the Velocity Coefficient, The Velocity coefficient formula is defined as the ratio of actual exit velocity to the ratio of ideal exit velocity. Velocity Coefficient is denoted by Cv symbol.

How to calculate Velocity Coefficient using this online calculator? To use this online calculator for Velocity Coefficient, enter Actual Exit Velocity (Cact) & Ideal Exit Velocity (Cideal) and hit the calculate button. Here is how the Velocity Coefficient calculation can be explained with given input values -> 0.768844 = 153/199.

FAQ

What is Velocity Coefficient?
The Velocity coefficient formula is defined as the ratio of actual exit velocity to the ratio of ideal exit velocity and is represented as Cv = Cact/Cideal or Velocity Coefficient = Actual Exit Velocity/Ideal Exit Velocity. Actual exit velocity is the velocity at the exit of nozzle, it includes losses due to external factors & Ideal Exit Velocity is the velocity at the exit of nozzle, it does not includes losses due to external factors.
How to calculate Velocity Coefficient?
The Velocity coefficient formula is defined as the ratio of actual exit velocity to the ratio of ideal exit velocity is calculated using Velocity Coefficient = Actual Exit Velocity/Ideal Exit Velocity. To calculate Velocity Coefficient, you need Actual Exit Velocity (Cact) & Ideal Exit Velocity (Cideal). With our tool, you need to enter the respective value for Actual Exit Velocity & Ideal Exit Velocity 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 Velocity Coefficient?
In this formula, Velocity Coefficient uses Actual Exit Velocity & Ideal Exit Velocity. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Velocity Coefficient = sqrt(Nozzle Efficiency)
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