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Pumps and Compressors

By
Marc Borremans
Marc Borremans
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ISBN:
9781119534143
No. of Pages:
512
Publisher:
ASME Press
Publication date:
2019

The operational principle of a centrifugal fan (aka a radial turbo fan) accords with that of a centrifugal pump, but the fluid is different, now it’s a gas. It is built up out of an impeller with vanes that rotates fast in an abutting volute (Figures 9.1–9.4).The rotating movement of the impeller produces a pressure rise on the locked-in gas; the gas is propelled out of the impeller and caught in the volute. An underpressure arises in the inlet and this cause the gas to be sucked into the suction line.

9.1
Centrifugal Fans
9.2
Cross-stream Fans
9.3
Side Channel Fans
9.4
Turbo Fan
9.5
Centrifugal Compressor
9.6
Refrigerant Turbocompressor
9.7
Axial Fans
9.8
Axial Compressor
9.9
Calculation Example
9.10
Surge Limit
9.11
Choke Limit (Stonewall Point)
9.12
Comparison Axial/Radial Compressor
9.13
Regulation of Turbocompressors
9.14
Efficiency of Turbocompressors
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