Question

A single acting single stage compressor is belt driven from an electric motor at 400 rpm. The cylinder diameter is 150mm and the stroke 175mm. The air is compressed from 1.03 bar to 7.2 bar and the law of compression is PV^1.3 = C. Find the power of the motor if the transmission efficiency is 97 percent and the mechanical efficiency of the compressor is 90 percent. Neglect the clearence effect.

Answer 1

Answer:

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