A two-stage, double-acting compressor is to deliver 90 lb/min of air from 14.3 psia and 90 ̊F to a final pressure of 185 psia. The normal barometer is 29.8 in. Hg and the temperature is 80 ̊F. The pressure drop in the intercooler is 3 psi and the temperature of the air at the exit of the intercooler is 90 ̊F, the speed is 210 rpmand pV1.34 =C during compression and expansion. The clearance is 5% for both cylinder. The temperature of the cooling water increase by 18 ̊F. Find: a) The mass of cooling water to be circulated about each cylinder and through the intercooler b) The work c) If, for the low pressure cylinder, L/D = 0.68 and if both cylinders have the same stroke, what should be the cylinder dimensions?
Provide a complete given and computation. Include all the decimals.
A two-stage, double-acting compressor is to deliver 90 lb/min of air from 14.3 psia and 90 ̊F to a final pressure of 185 psia. The normal barometer is 29.8 in. Hg and the temperature is 80 ̊F. The pressure drop in the intercooler is 3 psi and the temperature of the air at the exit of the intercooler is 90 ̊F, the speed is 210 rpmand pV1.34 =C during compression and expansion. The clearance is 5% for both cylinder. The temperature of the cooling water increase by 18 ̊F. Find:
a) The mass of cooling water to be circulated about each cylinder and through the intercooler
b) The work
c) If, for the low pressure cylinder, L/D = 0.68 and if both cylinders have the same stroke, what should be the cylinder dimensions?
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