Bed Pressure Drop Calculation in Fluidized Beds
Estimates the total pressure rise a fan must deliver to fluidize a bed of particles, accounting for bed resistance, ancillary losses, and a safety factor.
📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Bed cross-sectional area (A_bed)
- m2
- m2
Ergun term1 (term1)
- Pa/m
- Pa/m
Ergun term2 (term2)
- Pa/m
- Pa/m
Bed pressure drop (DeltaP_bed)
- Pa
- Pa
Total pressure drop (DeltaP_total)
- Pa
- Pa
Fan pressure rise (DeltaP_fan)
- Pa
- Pa
Need this calculation offline?
Download Offline Excel CalculationContext & Assumptions
Fluidized beds are widely used in chemical and pharmaceutical processes where gas-solid contact is essential. Accurate pressure drop estimation ensures proper blower sizing and stable operation. The calculation combines the Ergun equation for the bed itself with allowances for distributors and filters.
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