Wisconsin Shock Tube Laboratory - WiSTL
1-D Gasdynamics Calculator
Shock Tube Calculator
Enter values and press the "Calculate" button
State 1 is driven, 2 is shocked and 5 is reflected.
State 4 is the driver.
Input
Select a Driven Gas
Air
Argon
Carbon Dioxide
Helium
Neon
Nitrogen
Xenon
Sulfur Hexafluoride
Driven Gas
Mach Number (Desired)
Pa, Initial Pressure, Driven Section
K, Initial Temperature, Driven Section
Helium
Air
Argon
Carbon Dioxide
Neon
Nitrogen
Xenon
Sulfur Hexafluoride
Driver Gas
K, Initial Temperature, Driver Section
Output
State 1
State 2
State 4
State 5
Pressure
MPa
Temperature
K
Density
kg/m
3
Sound Speed
m/s
Velocity
0
0
0
m/s
Notes:
MW =
Specific heat ratio =
Initial wave speed =
m/s
Reflected wave speed =
m/s, M
R
=
Approximate driver pressure (
factor for area contraction) =
psig
View the
Equations
Some fluid
Properties
Timing Issues
Input
m, Distance Between Pressure Transducers
ms, Time Between Pressure Transducers
m, Distance Between Trigger Transducer and Window Centerline
m, Distance Between Trigger Transducer and Interface
Output
m/s, Actual Wave Speed
Actual Mach Number
ms, Estimated Delay Time for Shock
ms, Estimated Delay Time for Membrane
Boost Tank
Input
m
3
, Volume of the Driver
m
3
, Volume of the Boost Tank
psig, Diaphragm Rupture Pressure
%, Less than Rupture Pressure (for Pre-boost)
%, More than Rupture Pressure (for Post-boost)
Output
psig, Pre-boost Driver Pressure
psig, Post-boost Driver Pressure
psig, Required Boost Tank Pressure
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homepage
For questions or comments contact Jason Oakley:
oakleyj@cae.wisc.edu