Determine the heat transfer in the compressor and the after cooler.

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written 9.4 years ago by

teamques10 ★ 70k

modified 3.5 years ago by

sagarkolekar ★ 11k

A reciprocating air compressor takes in 2m3/min at 0.11MPa, $20^oc$, which it delivers at 1.5MPa, $111^oc$ to an after cooler where the air is cooled at constant pressure to $25^oc$. The power absorbed by the compressor is 4.15kW. -

thermodynamics

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written 9.4 years ago by

teamques10 ★ 70k

Given:

P1 = 1.1 bar; T1 = 293K

P2 = 15bar; T2 = 384K

$V = 2 m^3/min = 0.033 m^3/s$ ; W = 4.15kW

T3= 298K

Solution:

Part of the power absorbed by the compressor is used to compress the air, some heat is lost in aftercooler and the …

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