Vinay Mishra
Indian Institute for Aeronautical Engineering and Information Technology (IIAEIT), Pune
Vinay Mishra has created this Calculator and 300+ more calculators!
Sanjay Krishna
Amrita School of Engineering (ASE), Vallikavu
Sanjay Krishna has verified this Calculator and 200+ more calculators!

11 Other formulas that you can solve using the same Inputs

Stanton Number (using basic fluid properties)
Stanton Number=External convection heat transfer coefficient/(Specific Heat Capacity*Fluid Velocity*Density) GO
Heat Loss due to Pipe
Heat Loss due to Pipe=(Force*Length*Fluid Velocity^2)/(2*Diameter *Acceleration Due To Gravity) GO
Cavitation Number
Cavitation number=(Pressure-Vapour pressure)/(mass density*(Fluid Velocity^2)/2) GO
Head Loss due to friction
Head loss=Darcy friction factor*Fluid Velocity^(2)*Length/(Pipe Diameter*2*[g]) GO
Reynolds Number for Non-Circular Tubes
Reynolds Number=Density*Fluid Velocity*Characteristic Length/Dynamic viscosity GO
Reynolds Number
Reynolds Number=Liquid Density*Fluid Velocity*Pipe Diameter/Dynamic viscosity GO
Dynamic Pressure head-pitot tube
Dynamic Pressure head=(Fluid Velocity^(2))/(2*Acceleration Due To Gravity) GO
Reynolds Number for Circular Tubes
Reynolds Number=Density*Fluid Velocity*Diameter /Dynamic viscosity GO
Inertial Force Per Unit Area
Inertial Force per unit area=(Fluid Velocity^2)*Density GO
Dynamic Pressure
Dynamic Pressure=(Liquid Density*Fluid Velocity^(2))/2 GO
Turbulence
Turbulence=Density*Dynamic viscosity*Fluid Velocity GO

1 Other formulas that calculate the same Output

Relation between Characteristic Mach number and Mach number
Characteristic Mach number=((Specific heat ratio+1)/((Specific heat ratio-1)+(2/(Mach Number^2))))^0.5 GO

Characteristic Mach number Formula

Characteristic Mach number=Fluid Velocity/Critical speed of sound
M<sup>*</sup>=u<sub>f</sub>/a<sup>*</sup>
More formulas
Prandtl Condition GO
Characteristic Mach Number behind shock GO
Relation between Characteristic Mach number and Mach number GO
Mach Number behind the shock GO
Shock strength GO
Velocity behind a normal shock GO
Entropy change across normal shock GO
Static Pressure ahead of normal shock using normal shock momentum equation GO
Static Pressure behind of normal shock using normal shock momentum equation GO
Density ahead of normal shock using normal shock momentum equation GO
Density behind normal shock using normal shock momentum equation GO
Enthalpy ahead of normal shock from normal shock energy equation GO
Enthalpy behind of normal shock from normal shock energy equation GO
Velocity ahead of normal shock from normal shock energy equation GO
Velocity behind of normal shock from normal shock energy equation GO
Velocity behind of normal shock by normal shock momentum equation GO
Velocity ahead of normal shock by normal shock momentum equation GO
Velocity upstream of shock using Prandtl relation GO
Critical speed of sound from Prandtl relation GO
Density ratio across a normal shock GO
Pressure ratio across a normal shock GO
Temperature ratio across a normal shock GO
Static enthalpy ratio across a normal shock GO
Stagnation pressure behind normal shock by Rayleigh Pitot tube formula GO
Density behind normal shock for given upstream density and Mach number GO
Static pressure behind normal shock for given upstream pressure and Mach number GO
Static temperature behind normal shock for given upstream temperature and Mach number GO
Static enthalpy behind normal shock for given upstream enthalpy and Mach number GO

What is the difference between Mach number and Characteristic Mach number?

Characteristic Mach number varies qualitative same as the actual Mach number except that the characteristic Mach number reaches to finite value when actual Mach number reaches infinity.

How to Calculate Characteristic Mach number?

Characteristic Mach number calculator uses Characteristic Mach number=Fluid Velocity/Critical speed of sound to calculate the Characteristic Mach number, The Characteristic Mach number is defined as the ratio of the velocity of the fluid at a given point in flow and the critical speed of sound. Characteristic Mach number and is denoted by M* symbol.

How to calculate Characteristic Mach number using this online calculator? To use this online calculator for Characteristic Mach number, enter Fluid Velocity (uf) and Critical speed of sound (a*) and hit the calculate button. Here is how the Characteristic Mach number calculation can be explained with given input values -> 10.58824 = 1/0.0944444444444444.

FAQ

What is Characteristic Mach number?
The Characteristic Mach number is defined as the ratio of the velocity of the fluid at a given point in flow and the critical speed of sound and is represented as M*=uf/a* or Characteristic Mach number=Fluid Velocity/Critical speed of sound. Fluid velocity is the volume of fluid flowing in the given vessel per unit cross sectional area and The critical speed of sound is defined as the speed of sound at critical conditions in fluid flow.
How to calculate Characteristic Mach number?
The Characteristic Mach number is defined as the ratio of the velocity of the fluid at a given point in flow and the critical speed of sound is calculated using Characteristic Mach number=Fluid Velocity/Critical speed of sound. To calculate Characteristic Mach number, you need Fluid Velocity (uf) and Critical speed of sound (a*). With our tool, you need to enter the respective value for Fluid Velocity and Critical speed of sound 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 Characteristic Mach number?
In this formula, Characteristic Mach number uses Fluid Velocity and Critical speed of sound. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Characteristic Mach number=((Specific heat ratio+1)/((Specific heat ratio-1)+(2/(Mach Number^2))))^0.5
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