Quick Answer
Calculate Divertor Detachment Onset Predictor via Line-Ratio and Radiation Fraction Thresholds
Calculator
Result Interpretation
Divertor Detachment Onset Predictor via Line-Ratio and Radiation Fraction Thresholds Calculator computes Divertor detachment onset predictor in dimensionless using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- CIII/HeII line intensity ratio = 0.96
- Core radiation fraction = 0.36
- Detachment onset threshold for CIII/HeII ratio = 1.2
- Detachment onset threshold for core radiation fraction = 0.45
Expected Result:
- Divertor detachment onset predictor = 1.6
Engineering Interpretation:
Under the given input conditions, the calculated result is: Divertor detachment onset predictor = 1.6 dimensionless.
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
divertor detachment onset predictor = (ciii/heii line intensity ratio / detachment onset threshold for ciii/heii ratio) + (core radiation fraction / detachment onset threshold for core radiation fraction)Formula family: formula_fusion_divertor_detachment_onset_predictor_via_line_ratio_and_radiation_fraction_thresholds
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| CIII_HeII_ratio | CIII/HeII line intensity ratio | INPUT | CIII/HeII line intensity ratio |
| CIII_HeII_threshold | Detachment onset threshold for CIII/HeII ratio | INPUT | Detachment onset threshold for CIII/HeII ratio |
| rad_fraction_core | Core radiation fraction | INPUT | Core radiation fraction |
| rad_fraction_threshold | Detachment onset threshold for core radiation fraction | INPUT | Detachment onset threshold for core radiation fraction |
| divertor_detachment_onset | Divertor detachment onset predictor | OUTPUT | Divertor detachment onset predictor |
Calculation Steps
- Enter the ciii/heii line intensity ratio in dimensionless.
- Enter the detachment onset threshold for ciii/heii ratio in dimensionless.
- Enter the core radiation fraction in dimensionless.
- Enter the detachment onset threshold for core radiation fraction in dimensionless.
- Step 1: Compute divertor detachment onset predictor.
- Read the divertor detachment onset predictor (dimensionless) from the results.
Engineering Summary
Calculate Divertor Detachment Onset Predictor via Line-Ratio and Radiation Fraction Thresholds
Frequently Asked Questions
What does this calculator calculate?
The Divertor Detachment Onset Predictor via Line-Ratio and Radiation Fraction Thresholds Calculator estimates Divertor detachment onset predictor based on the input parameters you provide
Why is ciii/heii line intensity ratio important in this calculation?
ciii/heii line intensity ratio is directly proportional to divertor detachment onset predictor. When you enter ciii/heii line intensity ratio in dimensionless, the calculator uses it in the engineering formula to compute the output
How should I interpret the result divertor detachment onset predictor?
The calculator outputs divertor detachment onset predictor 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: CIII/HeII line intensity ratio (dimensionless), Detachment onset threshold for CIII/HeII ratio (dimensionless), Core radiation fraction (dimensionless), Detachment onset threshold for core radiation fraction (dimensionless). 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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