FD Fan VFD Analysis | Data Entry
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NOTE:
All data entries correspond to the single-fan configuration, even when evaluating alternative setups.
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🛠️ Core Data Entry:
Rated Rotational Speed of Fan:
rpm
Select Desired Configuration:
Select arrangement
Single
Series
Parallel
Fan Discharge Pressure:
in. WC
Fan Outlet Duct Area:
ft²
Total Loss Due To Fixed-loss Components:
in. WC
Cost Per KWh of Electricity:
$/KWh
Minimum Flow Allowable To Avoid Stall:
x1000 cfm
🛠️ Data For Fan Curve:
Number of triples | (Flow-Head-Efficiency):
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🛠️ NOTE:
For forward-curved and axial flow fans, collect data points outside the unstable
region, but include points associated with dead-head and maximum-flow operations to avoid extrapolation pitfalls.
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