Task 21a A single-stage reciprocating compressor compresses atmospheric air with a temperature of 20°C to an absolute value of p, kgf/cm2. The diameter of the piston is 230mm, the stroke of the piston is 250mm, the volume of the harmful space is 5% of the volume described by the piston, the rotation speed is 350 rpm. The polytropy index of expansion is 12% less than the adiabatic index. The total efficiency is 0.75. Determine the volume flow and the power consumption of the compressor. a) p = 6kgs/cm2

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