What is the pressure increase over one stage of a centrifugal compressor?
- 5:1
- 1.2:1
- 8:1
Explanation from PART66Online
A single stage of a centrifugal compressor can achieve a relatively high pressure ratio, of the order of about 5:1, because the impeller adds energy by both centrifugal action and diffusion. This is far higher than the roughly 1.1-1.3:1 obtained per axial stage, so the small per-stage and large multi-stage values are incorrect here.
D
descipline2 asked · 2 Jun 2016
i think the answer should be 8:1
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