A single-acting, single-cylinder reciprocating air
compressor has a cylinder diameter of 200 mm and a stroke of 300 mm. Air enters
the cylinder at 1bar; 27°C. It is then compressed polytropically to 8 bar
according to the law p V1.3= constant. If the speed of the
compressor is 250 rpm, calculate the mass of air compressed per minute, and the
power required in kW for driving the compressor.
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