Turbocharger: Mass flow rate and pressure ratio

[Carlko26]

Hello everyone,

i am currently dimensioning a compression system using a vehicle turbocharger and need to find a way to relate the pressure ratio of the compressor and the mass flow rate. (flows trough compressor and turbine are of course separated)

For the turbine, one can use Stodola's cone law (or ellipse Law) but i don't believe that it is valid or applicable for compressors. Am i wrong?

The inlet conditions and the pressure ratio are known.

Any ideas?

Greetings,

Charles

 

[Carlko26]

Hello everyone,

i am currently dimensioning a compression system using a vehicle turbocharger and need to find a way to relate the pressure ratio of the compressor and the mass flow rate. (flows trough compressor and turbine are of course separated)

For the turbine, one can use Stodola's cone law (or ellipse Law) but i don't believe that it is valid or applicable for compressors. Am i wrong?

The inlet conditions and the pressure ratio are known.

Any ideas?

Greetings,

Charles

I figured out by myself how to calculate the mass flow as a function of the pressure ratio