written 8.2 years ago by | modified 4.3 years ago by |
1) Free air delivery per minute = 6m3
2) Free air conditions = 1 bar,27oC
3) Delivery pressure = 30 bar
4) Compressor speed = 300 rpm
5) Intermediate pressure = 6 bar
6) Temperature at the inlet of HP cylinder = 270C
7) Law of compression = PV1.3
8) Mechnical efficiency = 85%
9) Stroke to bore ration for LP cylinder = 1.2
Calculate:
a)Cylinder diameters
b)power input, neglecting clearance volume