Pressure Ratio for Blunt Cylinder Blast Wave Solution

STEP 0: Pre-Calculation Summary
Formula Used
Pressure Ratio for Blunt Cylinder Blast Wave = 0.8773*[BoltZ]*Mach Number^2*sqrt(Drag Coefficient)*(Distance from X-Axis/Diameter)^(-1)
rbc = 0.8773*[BoltZ]*M^2*sqrt(CD)*(y/d)^(-1)
This formula uses 1 Constants, 1 Functions, 5 Variables
Constants Used
[BoltZ] - Boltzmann constant Value Taken As 1.38064852E-23
Functions Used
sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)
Variables Used
Pressure Ratio for Blunt Cylinder Blast Wave - Pressure Ratio for Blunt Cylinder Blast Wave is ratio of final to initial pressure.
Mach Number - Mach number is a dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound.
Drag Coefficient - Drag Coefficient is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.
Distance from X-Axis - (Measured in Meter) - Distance from X-Axis is defined as the distance from the point where stress is to be computed to XX axis.
Diameter - (Measured in Meter) - Diameter is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.
STEP 1: Convert Input(s) to Base Unit
Mach Number: 5.5 --> No Conversion Required
Drag Coefficient: 2.8 --> No Conversion Required
Distance from X-Axis: 2.2 Meter --> 2.2 Meter No Conversion Required
Diameter: 2.425 Meter --> 2.425 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
rbc = 0.8773*[BoltZ]*M^2*sqrt(CD)*(y/d)^(-1) --> 0.8773*[BoltZ]*5.5^2*sqrt(2.8)*(2.2/2.425)^(-1)
Evaluating ... ...
rbc = 6.75810161924614E-22
STEP 3: Convert Result to Output's Unit
6.75810161924614E-22 --> No Conversion Required
FINAL ANSWER
6.75810161924614E-22 6.8E-22 <-- Pressure Ratio for Blunt Cylinder Blast Wave
(Calculation completed in 00.020 seconds)

Credits

Created by Sanjay Krishna
Amrita School of Engineering (ASE), Vallikavu
Sanjay Krishna has created this Calculator and 300+ more calculators!
Verified by Shikha Maurya
Indian Institute of Technology (IIT), Bombay
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8 Cylindrical Blast Wave Calculators

Modified Pressure Equation for Cylindrical Blast Wave
Go Pressure = [BoltZ]*Freestream Density*sqrt(pi/8)*Diameter*sqrt(Drag Coefficient)*(Freestream Velocity for Blast Wave^2)/Distance from X-Axis
Pressure Ratio for Blunt Cylinder Blast Wave
Go Pressure Ratio for Blunt Cylinder Blast Wave = 0.8773*[BoltZ]*Mach Number^2*sqrt(Drag Coefficient)*(Distance from X-Axis/Diameter)^(-1)
Boltzmann Constant for Cylindrical Blast Wave
Go Boltzmann Constant = (Specific Heat Ratio^(2*(Specific Heat Ratio-1)/(2-Specific Heat Ratio)))/(2^((4-Specific Heat Ratio)/(2-Specific Heat Ratio)))
Pressure for Cylindrical Blast Wave
Go Pressure for Blast Wave = Boltzmann Constant*Freestream Density*((Energy for Blast Wave/Freestream Density)^(1/2))/(Time Required for Blast Wave)
Modified Radial Coordinate Equation for Cylindrical Blast Wave
Go Radial Coordinate = 0.792*Diameter*Drag Coefficient^(1/4)*sqrt(Distance from X-Axis/Diameter)
Simplified Pressure Ratio for Blunt Cylinder Blast Wave
Go Pressure Ratio = 0.0681*Mach Number^2*sqrt(Drag Coefficient)/(Distance from X-Axis/Diameter)
Modified Energy for Cylindrical Blast Wave
Go Modified Energy for Blast Wave = 0.5*Freestream Density*Freestream Velocity^2*Diameter*Drag Coefficient
Radial Coordinate of Cylindrical Blast Wave
Go Radial Coordinate = (Energy for Blast Wave/Freestream Density)^(1/4)*Time Required for Blast Wave^(1/2)

Pressure Ratio for Blunt Cylinder Blast Wave Formula

Pressure Ratio for Blunt Cylinder Blast Wave = 0.8773*[BoltZ]*Mach Number^2*sqrt(Drag Coefficient)*(Distance from X-Axis/Diameter)^(-1)
rbc = 0.8773*[BoltZ]*M^2*sqrt(CD)*(y/d)^(-1)

What is a boltzmann constant?

The Boltzmann constant (kB or k) is the proportionality factor that relates the average relative kinetic energy of particles in a gas with the thermodynamic temperature of the gas

How to Calculate Pressure Ratio for Blunt Cylinder Blast Wave?

Pressure Ratio for Blunt Cylinder Blast Wave calculator uses Pressure Ratio for Blunt Cylinder Blast Wave = 0.8773*[BoltZ]*Mach Number^2*sqrt(Drag Coefficient)*(Distance from X-Axis/Diameter)^(-1) to calculate the Pressure Ratio for Blunt Cylinder Blast Wave, The Pressure ratio for blunt cylinder blast wave formula is defined as the interrelation between Boltzmann constant, drag coeff, distance from the tip of vehicle, and its base dia. Pressure Ratio for Blunt Cylinder Blast Wave is denoted by rbc symbol.

How to calculate Pressure Ratio for Blunt Cylinder Blast Wave using this online calculator? To use this online calculator for Pressure Ratio for Blunt Cylinder Blast Wave, enter Mach Number (M), Drag Coefficient (CD), Distance from X-Axis (y) & Diameter (d) and hit the calculate button. Here is how the Pressure Ratio for Blunt Cylinder Blast Wave calculation can be explained with given input values -> 6.8E-22 = 0.8773*[BoltZ]*5.5^2*sqrt(2.8)*(2.2/2.425)^(-1).

FAQ

What is Pressure Ratio for Blunt Cylinder Blast Wave?
The Pressure ratio for blunt cylinder blast wave formula is defined as the interrelation between Boltzmann constant, drag coeff, distance from the tip of vehicle, and its base dia and is represented as rbc = 0.8773*[BoltZ]*M^2*sqrt(CD)*(y/d)^(-1) or Pressure Ratio for Blunt Cylinder Blast Wave = 0.8773*[BoltZ]*Mach Number^2*sqrt(Drag Coefficient)*(Distance from X-Axis/Diameter)^(-1). Mach number is a dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound, Drag Coefficient is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water, Distance from X-Axis is defined as the distance from the point where stress is to be computed to XX axis & Diameter is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.
How to calculate Pressure Ratio for Blunt Cylinder Blast Wave?
The Pressure ratio for blunt cylinder blast wave formula is defined as the interrelation between Boltzmann constant, drag coeff, distance from the tip of vehicle, and its base dia is calculated using Pressure Ratio for Blunt Cylinder Blast Wave = 0.8773*[BoltZ]*Mach Number^2*sqrt(Drag Coefficient)*(Distance from X-Axis/Diameter)^(-1). To calculate Pressure Ratio for Blunt Cylinder Blast Wave, you need Mach Number (M), Drag Coefficient (CD), Distance from X-Axis (y) & Diameter (d). With our tool, you need to enter the respective value for Mach Number, Drag Coefficient, Distance from X-Axis & Diameter and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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