Quick Answer
Calculate Flame Anchor Point Stability Index for Swirling Oil Burners
Calculator
Result Interpretation
Flame Anchor Point Stability Index for Swirling Oil Burners Calculator computes Flame Anchor Point Stability Index in dimensionless using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Swirl Number = 0.6
- Excess Air Ratio = 0.2
- Firebox Turbulence Intensity = 0.15
- Stoichiometric Air–Fuel Mass Ratio = 14.5
Expected Result:
- Flame Anchor Point Stability Index = 0.040998906396745
Engineering Interpretation:
Under the given input conditions, the calculated result is: Flame Anchor Point Stability Index = 0.040998906396745 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
flame anchor point stability index = (0.85 * sqrt(swirl number) * (1.0 - 0.35 * excess air ratio)) / (stoichiometric air–fuel mass ratio * (1.0 + 0.2 * firebox turbulence intensity))Formula family: formula_combustion_flame_anchor_point_stability_checker_for_swirling_oil_burners
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| swirl_number | Swirl Number | INPUT | Swirl Number |
| excess_air_ratio | Excess Air Ratio | INPUT | Excess Air Ratio |
| stoichiometric_air_fuel_ratio | Stoichiometric Air–Fuel Mass Ratio | INPUT | Stoichiometric Air–Fuel Mass Ratio |
| firebox_turbulence_intensity | Firebox Turbulence Intensity | INPUT | Firebox Turbulence Intensity |
| flame_anchor_point_stability | Flame Anchor Point Stability Index | OUTPUT | Flame Anchor Point Stability Index |
Calculation Steps
- Enter the swirl number in dimensionless.
- Enter the excess air ratio in dimensionless.
- Enter the stoichiometric air–fuel mass ratio in kg_air/kg_fuel.
- Enter the firebox turbulence intensity in dimensionless.
- Step 1: Compute flame anchor point stability index.
- Read the flame anchor point stability index (dimensionless) from the results.
Engineering Summary
Calculate Flame Anchor Point Stability Index for Swirling Oil Burners
Frequently Asked Questions
What does this calculator calculate?
The Flame Anchor Point Stability Index for Swirling Oil Burners Calculator estimates Flame Anchor Point Stability Index based on the input parameters you provide
Why is swirl number important in this calculation?
swirl number is directly proportional to flame anchor point stability index. When you enter swirl number in dimensionless, the calculator uses it in the engineering formula to compute the output
How should I interpret the result flame anchor point stability index?
The calculator outputs flame anchor point stability index 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: Swirl Number (dimensionless), Excess Air Ratio (dimensionless), Stoichiometric Air–Fuel Mass Ratio (kg_air/kg_fuel), Firebox Turbulence Intensity (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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