3 m3/mt .

1.5 m3/mt

18 m3/mt′

6 m3/mt

1

1.2 ,

1.3

1.4

it requires very big cylinder

it does not increase pressure much

it is impossible in practice

compressor has to run at very slow speed to achieve it

mechanical efficiency

volumetric efficiency

isothermal efficiency

adiabatic efficiency

compression index

compression ratio

compressor efficiency

mean effective pressure