Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number Solution

STEP 0: Pre-Calculation Summary
Formula Used
Static pressure Behind Normal shock = Static Pressure Ahead of Normal Shock*(1+((2*Specific Heat Ratio)/(Specific Heat Ratio+1))*(Mach Number Ahead of Normal Shock^2-1))
P2 = P1*(1+((2*γ)/(γ+1))*(M1^2-1))
This formula uses 4 Variables
Variables Used
Static pressure Behind Normal shock - (Measured in Pascal) - Static Pressure Behind Normal Shock denotes the pressure of a fluid after passing through a normal shock wave.
Static Pressure Ahead of Normal Shock - (Measured in Pascal) - Static Pressure Ahead of Normal Shock is the pressure in the upstream direction of shock.
Specific Heat Ratio - The Specific Heat Ratio is the ratio of the heat capacity at constant pressure to heat capacity at constant volume.
Mach Number Ahead of Normal Shock - Mach Number Ahead of Normal Shock represents the velocity of a fluid or airflow relative to the speed of sound before encountering a normal shock wave.
STEP 1: Convert Input(s) to Base Unit
Static Pressure Ahead of Normal Shock: 65.374 Pascal --> 65.374 Pascal No Conversion Required
Specific Heat Ratio: 1.4 --> No Conversion Required
Mach Number Ahead of Normal Shock: 1.49 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
P2 = P1*(1+((2*γ)/(γ+1))*(M1^2-1)) --> 65.374*(1+((2*1.4)/(1.4+1))*(1.49^2-1))
Evaluating ... ...
P2 = 158.4306203
STEP 3: Convert Result to Output's Unit
158.4306203 Pascal --> No Conversion Required
FINAL ANSWER
158.4306203 158.4306 Pascal <-- Static pressure Behind Normal shock
(Calculation completed in 00.004 seconds)

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Indian Institute of Technology (IIT), Bombay
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Downstream Shock Waves Calculators

Mach Number behind Shock
​ LaTeX ​ Go Mach Number Behind Normal Shock = ((2+Specific Heat Ratio*Mach Number Ahead of Normal Shock^2-Mach Number Ahead of Normal Shock^2)/(2*Specific Heat Ratio*Mach Number Ahead of Normal Shock^2-Specific Heat Ratio+1))^(1/2)
Static Pressure behind Normal Shock using Normal Shock Momentum Equation
​ LaTeX ​ Go Static pressure Behind Normal shock = Static Pressure Ahead of Normal Shock+Density Ahead of Normal Shock*Velocity Upstream of Shock^2-Density Behind Normal Shock*Velocity Downstream of Shock^2
Velocity behind Normal Shock
​ LaTeX ​ Go Velocity Downstream of Shock = Velocity Upstream of Shock/((Specific Heat Ratio+1)/((Specific Heat Ratio-1)+2/(Mach Number^2)))
Characteristic Mach Number behind Shock
​ LaTeX ​ Go Characteristic Mach Number Behind Shock = 1/Characteristic Mach Number Ahead of Shock

Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number Formula

​LaTeX ​Go
Static pressure Behind Normal shock = Static Pressure Ahead of Normal Shock*(1+((2*Specific Heat Ratio)/(Specific Heat Ratio+1))*(Mach Number Ahead of Normal Shock^2-1))
P2 = P1*(1+((2*γ)/(γ+1))*(M1^2-1))

How to obtain pressure ratio across normal shock?

Pressure ratio across normal shock is obtained by rearranging the momentum equation and applying the continuity equation and density ratio formula. It is also a function of specific heat ratio and upstream Mach number.

How to Calculate Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number?

Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number calculator uses Static pressure Behind Normal shock = Static Pressure Ahead of Normal Shock*(1+((2*Specific Heat Ratio)/(Specific Heat Ratio+1))*(Mach Number Ahead of Normal Shock^2-1)) to calculate the Static pressure Behind Normal shock, Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number formula is defined as a relationship that describes how pressure changes across a normal shock wave in compressible flow, influenced by upstream pressure and the Mach number of the flow. Static pressure Behind Normal shock is denoted by P2 symbol.

How to calculate Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number using this online calculator? To use this online calculator for Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number, enter Static Pressure Ahead of Normal Shock (P1), Specific Heat Ratio (γ) & Mach Number Ahead of Normal Shock (M1) and hit the calculate button. Here is how the Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number calculation can be explained with given input values -> 65.52662 = 65.374*(1+((2*1.4)/(1.4+1))*(1.49^2-1)).

FAQ

What is Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number?
Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number formula is defined as a relationship that describes how pressure changes across a normal shock wave in compressible flow, influenced by upstream pressure and the Mach number of the flow and is represented as P2 = P1*(1+((2*γ)/(γ+1))*(M1^2-1)) or Static pressure Behind Normal shock = Static Pressure Ahead of Normal Shock*(1+((2*Specific Heat Ratio)/(Specific Heat Ratio+1))*(Mach Number Ahead of Normal Shock^2-1)). Static Pressure Ahead of Normal Shock is the pressure in the upstream direction of shock, The Specific Heat Ratio is the ratio of the heat capacity at constant pressure to heat capacity at constant volume & Mach Number Ahead of Normal Shock represents the velocity of a fluid or airflow relative to the speed of sound before encountering a normal shock wave.
How to calculate Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number?
Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number formula is defined as a relationship that describes how pressure changes across a normal shock wave in compressible flow, influenced by upstream pressure and the Mach number of the flow is calculated using Static pressure Behind Normal shock = Static Pressure Ahead of Normal Shock*(1+((2*Specific Heat Ratio)/(Specific Heat Ratio+1))*(Mach Number Ahead of Normal Shock^2-1)). To calculate Static Pressure behind Normal Shock for given Upstream Pressure and Mach Number, you need Static Pressure Ahead of Normal Shock (P1), Specific Heat Ratio (γ) & Mach Number Ahead of Normal Shock (M1). With our tool, you need to enter the respective value for Static Pressure Ahead of Normal Shock, Specific Heat Ratio & Mach Number Ahead of Normal Shock 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 Static pressure Behind Normal shock?
In this formula, Static pressure Behind Normal shock uses Static Pressure Ahead of Normal Shock, Specific Heat Ratio & Mach Number Ahead of Normal Shock. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Static pressure Behind Normal shock = Static Pressure Ahead of Normal Shock+Density Ahead of Normal Shock*Velocity Upstream of Shock^2-Density Behind Normal Shock*Velocity Downstream of Shock^2
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