Question

4.
A multi-stage air compressor is to be designed to elevate the pressure from 1 bar to 140 bar
such that stage pressure ratio will not exceed 4. Determine
a) Number of stages
b) Exact stage pressure ratio
c) Intermediate pressure

Answer 1

4.

A multi-stage air compressor is to be designed to elevate the pressure from 1 bar to 140 bar

such that stage pressure ratio will not exceed 4. Determine

a) Number of stages

b) Exact stage pressure ratio

c) Intermediate pressure

Answer 2

Answer:

Typically, any pressure above 100 PSIG will demand a multi-stage compressor for the most efficiency.

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