Quick Answer
The boron carbide swelling-induced control rod worth degradation model calculator computes control rod worth degradation from the input values you provide.
Calculator
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Find Engineering Solutions →Result Interpretation
Boron Carbide Swelling-Induced Control Rod Worth Degradation Model calculator computes Control Rod Worth Degradation in dimensionless using the defined engineering formula and the input values provided. Control Rod Worth Degradation is expressed in dimensionless. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- Boron Carbide Volumetric Swelling Fraction = 0.02
- Initial Linear Absorption Coefficient = 120
- Initial Pellet Active Length = 0.8
Expected Result:
- Control Rod Worth Degradation = 1.8823529411765
Engineering Interpretation:
Under the given input conditions, the calculated result is: Control Rod Worth Degradation = 1.8823529411765 dimensionless.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.
Formula / Method
control rod worth degradation = (boron carbide volumetric swelling fraction * initial linear absorption coefficient * initial pellet active length) / (1 + boron carbide volumetric swelling fraction)Control Rod Worth Degradation.
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| swelling_fraction | Boron Carbide Volumetric Swelling Fraction | INPUT | Boron Carbide Volumetric Swelling Fraction |
| linear_absorption_coefficient_initial | Initial Linear Absorption Coefficient | INPUT | Initial Linear Absorption Coefficient |
| pellet_length_initial | Initial Pellet Active Length | INPUT | Initial Pellet Active Length |
| control_rod_worth_degradation | Control Rod Worth Degradation | OUTPUT | Control Rod Worth Degradation |
Calculation Steps
- Enter the boron carbide volumetric swelling fraction in dimensionless.
- Enter the initial linear absorption coefficient in m^-1.
- Enter the initial pellet active length in m.
- Step 1: Compute control rod worth degradation.
- Read the control rod worth degradation (dimensionless) from the results.
Frequently Asked Questions
What does this calculator calculate?
The Boron Carbide Swelling-Induced Control Rod Worth Degradation Model calculator estimates Control Rod Worth Degradation based on the input parameters you provide
Why is boron carbide volumetric swelling fraction important in this calculation?
boron carbide volumetric swelling fraction is used directly in the calculation of control rod worth degradation. Its effect on the result depends on the complete formula and the values of the other inputs.. When you enter boron carbide volumetric swelling fraction in dimensionless, the calculator uses it in the engineering formula to compute the output
How should I interpret the result control rod worth degradation?
The calculator outputs control rod worth degradation in dimensionless. 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: Boron Carbide Volumetric Swelling Fraction (dimensionless), Initial Linear Absorption Coefficient (m^-1), Initial Pellet Active Length (m). 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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