FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Pressure Ratio for Blunt Slab Blast Wave Formula

GoBlunt-Nosed Flat Plate Pressure Ratio (First Approximation) Formula

Fx Copy

LaTeX Copy

Pressure Ratio is ratio of final to initial pressure. Check FAQs

r p = 0.127 \cdot M^{2} \cdot {C D}^{\frac{2}{3}} \cdot {(\frac{y}{d})}^{- \frac{2}{3}}

r_p - Pressure Ratio?M - Mach Number?C_D - Drag Coefficient?y - Distance from X-Axis?d - Diameter?

Pressure Ratio for Blunt Slab Blast Wave Example

With values

With units

Only example

Here is how the Pressure Ratio for Blunt Slab Blast Wave equation looks like with Values.

Here is how the Pressure Ratio for Blunt Slab Blast Wave equation looks like with Units.

Here is how the Pressure Ratio for Blunt Slab Blast Wave equation looks like.

8.1438 = 0.127 \cdot {5.5}^{2} \cdot {2.8}^{\frac{2}{3}} \cdot {(\frac{2.2}{2.425})}^{- \frac{2}{3}}

8.1438 = 0.127 \cdot {5.5}^{2} \cdot {2.8}^{\frac{2}{3}} \cdot {(\frac{2.2m}{2.425m})}^{- \frac{2}{3}}

8.1438 = 0.127 \cdot {5.5}^{2} \cdot {2.8}^{\frac{2}{3}} \cdot {(\frac{2.2}{2.425})}^{- \frac{2}{3}}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Mechanical » Category

Fluid Mechanics » fx Pressure Ratio for Blunt Slab Blast Wave

Pressure Ratio for Blunt Slab Blast Wave Solution

Follow our step by step solution on how to calculate Pressure Ratio for Blunt Slab Blast Wave?

FIRST Step Consider the formula

r p = 0.127 \cdot M^{2} \cdot {C D}^{\frac{2}{3}} \cdot {(\frac{y}{d})}^{- \frac{2}{3}}

Next Step Substitute values of Variables

∴

r p = 0.127 \cdot {5.5}^{2} \cdot {2.8}^{\frac{2}{3}} \cdot {(\frac{2.2m}{2.425m})}^{- \frac{2}{3}}

Next Step Prepare to Evaluate

∴

r p = 0.127 \cdot {5.5}^{2} \cdot {2.8}^{\frac{2}{3}} \cdot {(\frac{2.2}{2.425})}^{- \frac{2}{3}}

Next Step Evaluate

∴

r p = 8.14380117711327

LAST Step Rounding Answer

∴

r p = 8.1438

Pressure Ratio for Blunt Slab Blast Wave Formula Elements

Variables

Pressure Ratio

Pressure Ratio is ratio of final to initial pressure.

Symbol: r_p

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Pressure Ratio

Mach Number

Mach number is a dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound.

Symbol: M

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Mach Number

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.

Symbol: C_D

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Drag Coefficient

Distance from X-Axis

Distance from X-Axis is defined as the distance from the point where stress is to be computed to XX axis.

Symbol: y

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Distance from X-Axis

Diameter

Diameter is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Symbol: d

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Diameter

Other Formulas to find Pressure Ratio

Go Blunt-Nosed Flat Plate Pressure Ratio (First Approximation)

r p = 0.121 \cdot M^{2} \cdot {(\frac{C D}{\frac{y}{d}})}^{\frac{2}{3}}

Other formulas in Planar and Blunt Slab Blast Wave category

Go Creation Pressure for Planar Blast Wave

P = [BoltZ] \cdot ρ ∞ \cdot {(\frac{E}{ρ ∞})}^{\frac{2}{3}} \cdot {t sec}^{- \frac{2}{3}}

Go Radial Coordinate for Planar Blast Wave

r = {(\frac{E}{ρ ∞})}^{\frac{1}{3}} \cdot {t sec}^{\frac{2}{3}}

Go Radial Coordinate of Blunt Slab Blast Wave

r = 0.794 \cdot d \cdot {C D}^{\frac{1}{3}} \cdot {(\frac{y}{d})}^{\frac{2}{3}}

Go Energy for Blast Wave

E = 0.5 \cdot ρ ∞ \cdot {V ∞}^{2} \cdot C D \cdot A

How to Evaluate Pressure Ratio for Blunt Slab Blast Wave?

Pressure Ratio for Blunt Slab Blast Wave evaluator uses Pressure Ratio = 0.127*Mach Number^2*Drag Coefficient^(2/3)*(Distance from X-Axis/Diameter)^(-2/3) to evaluate the Pressure Ratio, The Pressure ratio for blunt slab blast wave formula is defined as .interrelation between mach number at infinity, drag coefficient, distance from the tip of the slab and base dia. Pressure Ratio is denoted by r_p symbol.

How to evaluate Pressure Ratio for Blunt Slab Blast Wave using this online evaluator? To use this online evaluator for Pressure Ratio for Blunt Slab Blast Wave, enter Mach Number (M), Drag Coefficient (C_D), Distance from X-Axis (y) & Diameter (d) and hit the calculate button.

FAQs on Pressure Ratio for Blunt Slab Blast Wave

What is the formula to find Pressure Ratio for Blunt Slab Blast Wave?

The formula of Pressure Ratio for Blunt Slab Blast Wave is expressed as Pressure Ratio = 0.127*Mach Number^2*Drag Coefficient^(2/3)*(Distance from X-Axis/Diameter)^(-2/3). Here is an example- 8.143801 = 0.127*5.5^2*2.8^(2/3)*(2.2/2.425)^(-2/3).

How to calculate Pressure Ratio for Blunt Slab Blast Wave?

With Mach Number (M), Drag Coefficient (C_D), Distance from X-Axis (y) & Diameter (d) we can find Pressure Ratio for Blunt Slab Blast Wave using the formula - Pressure Ratio = 0.127*Mach Number^2*Drag Coefficient^(2/3)*(Distance from X-Axis/Diameter)^(-2/3).

What are the other ways to Calculate Pressure Ratio?

Here are the different ways to Calculate Pressure Ratio-

Pressure Ratio=0.121*Mach Number^2*(Drag Coefficient/(Distance from X-Axis/Diameter))^(2/3)

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Pressure Ratio for Blunt Slab Blast Wave Formula

​GoBlunt-Nosed Flat Plate Pressure Ratio (First Approximation) Formula

Pressure Ratio for Blunt Slab Blast Wave Example

Pressure Ratio for Blunt Slab Blast Wave Solution

Pressure Ratio for Blunt Slab Blast Wave Formula Elements

Other Formulas to find Pressure Ratio

Other formulas in Planar and Blunt Slab Blast Wave category

How to Evaluate Pressure Ratio for Blunt Slab Blast Wave?

FAQs on Pressure Ratio for Blunt Slab Blast Wave

Variable Name

GoBlunt-Nosed Flat Plate Pressure Ratio (First Approximation) Formula