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Strutt|Input Data|Empirical|Fan Installation Corrections inserts the intake and discharge condition corrections for axial flow fans into the current row of the worksheet.

Corrections are provided for the following intake and discharge conditions:

• Abrupt Entry
• Upstream interference for example trimming vane / idling impeller / radiused bend / acute transformations / expanders
• Flexible Connectors (misaligned or concave)
• Form of running (motor upstream of impeller)

These empirical values are based on data provided in the reference text below.

Reference:

• Sound Research Laboratories Ltd., Noise Control in Building Services: 1st edition, Pergamon Press, Sydney (1988) - Figure 7.8