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Centrifugal vs PD Blower

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JohnRobinsonOz

JohnRobinsonOz

Mechanical
Joined
Jul 30, 2002
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I am investigating a means to pressurise 3000m3/hr (~1500cfm) of a 75%CO2 25%air mixture from 0KPag to 70KPag (~10psig).

I seem to have a choice of a positive displacement (roots) blower or a centrifugal fan.

Can anyone suggest the better alternative & why.
 
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Have a look at "Expression for the maximum efficiency of a Roots air compressor" Driver, RW. Proceedings IMechE vol200 No. A2
 
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