Quick Answer
Calculate Stirred-Tank Bioreactor Oxygen Transfer Rate (OTR) Calculator
Calculator
Result Interpretation
Stirred-Tank Bioreactor Oxygen Transfer Rate (OTR) Calculator computes Oxygen transfer rate in mol/(m^3*s) using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Dissolved oxygen concentration in aqueous culture medium = 4.2E-5
- Volumetric mass transfer coefficient = 0.015
- Oxygen saturation concentration in aqueous culture medium = 0.000248
Expected Result:
- Oxygen transfer rate = 3.09E-6
Engineering Interpretation:
Under the given input conditions, the calculated result is: Oxygen transfer rate = 3.09E-6 mol/(m^3*s).
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
oxygen transfer rate = volumetric mass transfer coefficient * (oxygen saturation concentration in aqueous culture medium - dissolved oxygen concentration in aqueous culture medium)Formula family: formula_bioprocess_stirred_tank_bioreactor_oxygen_transfer_rate_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| kla | Volumetric mass transfer coefficient | INPUT | Volumetric mass transfer coefficient |
| c_star | Oxygen saturation concentration in aqueous culture medium | INPUT | Oxygen saturation concentration in aqueous culture medium |
| c | Dissolved oxygen concentration in aqueous culture medium | INPUT | Dissolved oxygen concentration in aqueous culture medium |
| oxygen_transfer_rate | Oxygen transfer rate | OUTPUT | Oxygen transfer rate |
Calculation Steps
- Enter the volumetric mass transfer coefficient in 1/s.
- Enter the oxygen saturation concentration in aqueous culture medium in mol/m^3.
- Enter the dissolved oxygen concentration in aqueous culture medium in mol/m^3.
- Step 1: Compute oxygen transfer rate.
- Read the oxygen transfer rate (mol/(m^3*s)) from the results.
Engineering Summary
Calculate Stirred-Tank Bioreactor Oxygen Transfer Rate (OTR) Calculator
Frequently Asked Questions
What does this calculator calculate?
The Stirred-Tank Bioreactor Oxygen Transfer Rate (OTR) Calculator estimates Oxygen transfer rate based on the input parameters you provide
Why is volumetric mass transfer coefficient important in this calculation?
volumetric mass transfer coefficient is directly proportional to oxygen transfer rate. When you enter volumetric mass transfer coefficient in 1/s, the calculator uses it in the engineering formula to compute the output
How should I interpret the result oxygen transfer rate?
The calculator outputs oxygen transfer rate in mol/(m^3*s). 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: Volumetric mass transfer coefficient (1/s), Oxygen saturation concentration in aqueous culture medium (mol/m^3), Dissolved oxygen concentration in aqueous culture medium (mol/m^3). 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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