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A 100 kW, 8-cylinder R-22 compressor with 20 kW power operates at zero & 40 C...

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Mechanical Engineering

A 100 kW, 8-cylinder R-22 compressor with 20 kW power operatesat zero & 40 C evaporating & condensing temps. Thecompressor bore 0.07 m & stroke 0.06 m with clearance volume of5% runs at 30 rev/sec.
Determine:
a. Draw the PH diagram indicating all enthalpy & sp. vol.
b. Volumetric efficiency
c. Suction volume, m3/s
d. Piston displacement, m3/s
e. Actual volumetric efficiency
f. Actual work of compressor, kJ/kg
g. Isentropic work of compression, kJ/kg
h. Compression or adiabatic efficiency

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