Gassed Power Number Calculation
Calculates the gassed-to-ungassed power ratio (Pg/P0) and fractional power loss in an aerobic stirred-tank bioreactor using the dimensionless aeration number.
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1. Define Input Parameters
2. Engineering Output
Aeration Number (Na)
- dimensionless
- dimensionless
Gassed to Ungassed Power Ratio (Pg_P0)
- dimensionless
- dimensionless
Fractional Power Loss (fractional_loss)
- dimensionless
- dimensionless
Actual Gassed Power (P_g)
- W
- W
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The gassed-to-ungassed power ratio is a critical metric in aerobic stirred-tank bioreactors for evaluating mechanical power reduction during gas sparging. Accurately estimating this drop ensures proper drive-motor sizing and stable fermenter operation under continuous aeration.
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