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 2
Computed flow parameters at design point operation of the fan.
| Configuration
type | Radial
gap ratio | Flow
coefficient () | Max.
efficiency | Head
coefficient |
| A | 0.05 | 0.085 | 22.84 | 0.235 | B | 0.10 | 0.073 | 24.59 | 0.304 | C | 0.15 | 0.066 | 27.37 | 0.360 | D | 0.20 | 0.074 | 22.63 | 0.333 | E | 0.25 | 0.078 | 22.02 | 0.3324 | F | 0.30 | 0.076 | 20.99 | 0.372 |
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