Quick Answer
Calculate Ergun Equation for Absorber Column Pressure Drop
Calculator
Result Interpretation
Ergun Equation for Absorber Column Pressure Drop Calculator computes Pressure drop per unit height in Pa/m using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Gas dynamic viscosity = 1.8E-5
- Bed void fraction = 0.4
- Gas density = 1.2
- Packing particle diameter = 0.005
- Superficial gas velocity = 0.5
Expected Result:
- Pressure drop per unit height = 1288.125
Engineering Interpretation:
Under the given input conditions, the calculated result is: Pressure drop per unit height = 1288.125 Pa/m.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
pressure drop per unit height = (150 * gas dynamic viscosity * pow((1 - bed void fraction), 2) * superficial gas velocity) / (pow(bed void fraction, 3) * pow(packing particle diameter, 2)) + (1.75 * gas density * (1 - bed void fraction) * pow(superficial gas velocity, 2)) / (pow(bed void fraction, 3) * packing particle diameter)Formula family: formula_carboncapture_absorber_column_hydraulic_design_checker
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| mu_gas | Gas dynamic viscosity | INPUT | Gas dynamic viscosity |
| epsilon | Bed void fraction | INPUT | Bed void fraction |
| superficial_velocity | Superficial gas velocity | INPUT | Superficial gas velocity |
| particle_diameter | Packing particle diameter | INPUT | Packing particle diameter |
| rho_gas | Gas density | INPUT | Gas density |
| result | Pressure drop per unit height | OUTPUT | Pressure drop per unit height |
Calculation Steps
- Enter the gas dynamic viscosity in Pa·s.
- Enter the bed void fraction in dimensionless.
- Enter the superficial gas velocity in m/s.
- Enter the packing particle diameter in m.
- Enter the gas density in kg/m³.
- Step 1: Compute pressure drop per unit height.
- Read the pressure drop per unit height (Pa/m) from the results.
Engineering Summary
Calculate Ergun Equation for Absorber Column Pressure Drop
Frequently Asked Questions
What does this calculator calculate?
The Ergun Equation for Absorber Column Pressure Drop Calculator estimates Pressure drop per unit height based on the input parameters you provide
Why is gas dynamic viscosity important in this calculation?
gas dynamic viscosity is directly proportional to pressure drop per unit height. When you enter gas dynamic viscosity in Pa·s, the calculator uses it in the engineering formula to compute the output
How should I interpret the result pressure drop per unit height?
The calculator outputs pressure drop per unit height in Pa/m. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Gas dynamic viscosity (Pa·s), Bed void fraction (dimensionless), Superficial gas velocity (m/s), Packing particle diameter (m), Gas density (kg/m³). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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