What is the discharge temperature of the air from the first stage in Prob. 8.4? Problem 8.4

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What is the discharge temperature of the air from the first stage in Prob. 8.4?

Problem 8.4

Air entering at 70°F and atmospheric pressure is to be compressed to 4,000 lbƒ/in.gauge in a reciprocating compressor at the rate of 125 std ft3/min. If the compression ratio is the same in each stage, how many stages should be used? What is the theoretical shaft work per standard cubic foot for frictionless adiabatic compression? What is the brake horsepower if the efficiency of each stage is 85 percent? For air, γ = 1.40.

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Unit Operations Of Chemical Engineering

ISBN: 9780072848236

7th Edition

Authors: Warren McCabe, Julian Smith, Peter Harriott

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