Compressible Flow Online Calculator

***Nozzle***
*Input Values:*
*Stagnation Temperature [K]*	*Stagnation Pressure [atm]*
*Velocity [m/s]*	**Specific Heat [J/kgK]***
**Gas Constant [J/kgK]***	*Gamma [/]*
*Output Values:*
*Static Temperature [K]*	*Static Pressure [atm]*
*Mach Number [/]*

***Normal Shock***
*Input Values:*
*Inlet Stagnation Temperature [K]*	*Inlet Stagnation Pressure [atm]*
*Inlet Velocity [m/s]*	**Specific Heat [J/kgK]***
**Gas Constant [J/kgK]***	*Gamma [/]*
*Output Values:*
*Inlet Static Temperature [K]*	*Inlet Static Pressure [atm]*
*Inlet Mach Number [/]*
*Outlet Stagnation Temperature [K]*	*Outlet Stagnation Pressure [atm]*
*Outlet Velocity [m/s]*	*Outlet Mach Number [/]*
*Outlet Static Temperature [K]*	*Outlet Static Pressure [atm]*

***Diffuser***
*Input Values:*
*Static Temperature [K]*	*Static Pressure [atm]*
*Velocity [m/s]*	**Specific Heat [J/kgK]***
**Gas Constant [J/kgK]***	*Gamma [/]*
*Output Values:*
*Stagnation Temperature [K]*	*Stagnation Pressure [atm]*
*Mach Number [/]*

***Thrust***
*Input Values:*
*Stagnation Temperature [K]*	*Stagnation Pressure [atm]*
*Velocity [m/s]*	*Ambient Pressure [atm]*
*Mass Flow Rate [kg/s]*	**Specific Heat [J/kgK]***
**Gas Constant [J/kgK]***	*Gamma [/]*
*Output Values:*
*Static Temperature [K]*	*Static Pressure [atm]*
*Mach Number [/]*	*Thrust [N]*

Gas Constant, Specific Heat and Gamma Values

Gas

Gas

Gas Constant
[J/kg*K]

Specific Heat
[J/kg*K]

Gamma
[/]

Air

286.7

1,004

1.4

Ammonia

NH₃

488.2

2,092

1.3

Argon

Ar

208.1

519

1.67

Carbon Dioxide

CO₂

188.9

845

1.28

Carbon Monoxide

CO

296.8

1,042

1.4

Helium

He

2,078.5

5,200

1.66

Hydrogen

H₂

4,124

14,350

1.4

Methane

CH₄

518.2

2,223

1.32

Nitrogen

N₂

296.9

1,038

1.4

Oxygen

O₂

259.8

916

1.4

Water Vapor

H₂O

188.5

1,690

1.33

***Gas Constant, Specific Heat and Gamma Values***
*Gas*	*Gas*	Gas Constant [J/kg*K]	Specific Heat [J/kg*K]	Gamma [/]
*Air*		*286.7*	*1,004*	*1.4*
*Ammonia*	*NH₃*	*488.2*	*2,092*	*1.3*
*Argon*	Ar	*208.1*	*519*	*1.67*
*Carbon Dioxide*	*CO₂*	*188.9*	*845*	*1.28*
*Carbon Monoxide*	CO	*296.8*	*1,042*	*1.4*
*Helium*	He	*2,078.5*	*5,200*	*1.66*
*Hydrogen*	H₂	*4,124*	*14,350*	*1.4*
*Methane*	*CH₄*	*518.2*	*2,223*	*1.32*
*Nitrogen*	N₂	*296.9*	*1,038*	*1.4*
*Oxygen*	O₂	*259.8*	*916*	*1.4*
*Water Vapor*	*H₂O*	*188.5*	*1,690*	*1.33*

Here are some of the basic engineering formulas/equations related to energy conversion systems which are built into the Engineering Software product line:

Continuity Equation

m = vA