Quick Answer
Calculate RAS Oxygen Mass Transfer Rate for Bubble Diffuser Systems
Calculator
Result Interpretation
RAS Oxygen Mass Transfer Rate for Bubble Diffuser Systems Calculator computes Oxygen mass transfer rate in kg/h using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Volumetric oxygen mass transfer coefficient = 4.8
- Saturation concentration of dissolved oxygen = 0.0095
- Water volume in contact with diffusers = 85
- Actual dissolved oxygen concentration = 0.0053
Expected Result:
- Oxygen mass transfer rate = 1.7136
Engineering Interpretation:
Under the given input conditions, the calculated result is: Oxygen mass transfer rate = 1.7136 kg/h.
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 mass transfer rate = volumetric oxygen mass transfer coefficient * (saturation concentration of dissolved oxygen - actual dissolved oxygen concentration) * water volume in contact with diffusersFormula family: formula_aquaculture_ras_oxygen_injection_sizing_tool
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| KLa | Volumetric oxygen mass transfer coefficient | INPUT | Volumetric oxygen mass transfer coefficient |
| C_star | Saturation concentration of dissolved oxygen | INPUT | Saturation concentration of dissolved oxygen |
| C_actual | Actual dissolved oxygen concentration | INPUT | Actual dissolved oxygen concentration |
| V_water | Water volume in contact with diffusers | INPUT | Water volume in contact with diffusers |
| oxygen_mass_transfer_rate | Oxygen mass transfer rate | OUTPUT | Oxygen mass transfer rate |
Calculation Steps
- Enter the volumetric oxygen mass transfer coefficient in 1/h.
- Enter the saturation concentration of dissolved oxygen in kg/m³.
- Enter the actual dissolved oxygen concentration in kg/m³.
- Enter the water volume in contact with diffusers in m³.
- Step 1: Compute oxygen mass transfer rate.
- Read the oxygen mass transfer rate (kg/h) from the results.
Engineering Summary
Calculate RAS Oxygen Mass Transfer Rate for Bubble Diffuser Systems
Frequently Asked Questions
What does this calculator calculate?
The RAS Oxygen Mass Transfer Rate for Bubble Diffuser Systems Calculator estimates Oxygen mass transfer rate based on the input parameters you provide
Why is volumetric oxygen mass transfer coefficient important in this calculation?
volumetric oxygen mass transfer coefficient is directly proportional to oxygen mass transfer rate. When you enter volumetric oxygen mass transfer coefficient in 1/h, the calculator uses it in the engineering formula to compute the output
How should I interpret the result oxygen mass transfer rate?
The calculator outputs oxygen mass transfer rate in kg/h. 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 oxygen mass transfer coefficient (1/h), Saturation concentration of dissolved oxygen (kg/m³), Actual dissolved oxygen concentration (kg/m³), Water volume in contact with diffusers (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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