- #1
MCTachyon
- 51
- 3
Homework Statement
Air is to be compressed from a pressure of 1 bar and a temperature of
20°C to a pressure of 15 bar in a two stage compressor with intercooling.
After intercooling the air temperature returns to 20°C and the polytropic
index of compression is 1.28. If the input power per stage of compression
is 2 kW, calculate:
The volumetric flow rate of free air (at 1 bar and 20°C) in m3 s–1.
Homework Equations
PV = mRspecificT
V = (mRspecificT)/P
The Attempt at a Solution
[/B]
V = (1 x 287 x (20+273))/1x105
V = 84091/1*105
V = 0.841
This attempt is using all the information I have. But I don't think this is the correct solution as the units don't balance to leave m3 s-1 (I think).
Any direction?