Research Article
CFD Analysis on the Effect of Radial Gap on Impeller-Diffuser Flow Interaction as well as on the Flow Characteristics of a Centrifugal Fan
Table 1
Specifications of the
centrifugal fan.
| Centrifugal fan specifications |
| Impeller
inlet radius, | 120 mm | Impeller
outlet radius, | 200 mm | Diffuser
inlet radius, | 230 mm | Diffuser
outlet radius, | 300 mm | Volute
exit flange width | 450 mm | Width
of diffuser blade | 35 mm | Width
of volute casing | 90 mm | Impeller
inlet vane angle | | Impeller
outlet vane angle | | Diffuser
inlet vane angle | | Diffuser
outlet vane angle | | Number
of impeller vanes | 13 | Number
diffuser vanes | 13 | Speed
of the fan (RPM) | 1000 rrpm |
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