Quick Answer
Calculate Excess Air Lambda Sweep Evaluator for CO-NOx Trade-off Optimization
Calculator
Result Interpretation
Excess Air Lambda Sweep Evaluator for CO-NOx Trade-off Optimization Calculator computes Excess Air Lambda Sweep Evaluator Result in 1 using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- CO Formation Coefficient = 1.32
- NOx Formation Coefficient = 0.85
- Reference Lambda for CO Suppression = 1.25
- Actual Excess Air Ratio (Lambda) = 1.05
- Combustion Efficiency = 0.92
Expected Result:
- Excess Air Lambda Sweep Evaluator Result = 0.93689428701739
Engineering Interpretation:
Under the given input conditions, the calculated result is: Excess Air Lambda Sweep Evaluator Result = 0.93689428701739.
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
excess air lambda sweep evaluator result = combustion efficiency * (1.0 + (Lambda - 1.0) * (nox formation coefficient * pow(Lambda, 2.0) - co formation coefficient * exp(-Lambda / reference lambda for co suppression)))Formula family: formula_combustion_excess_air_lambda_sweep_evaluator_for_co_nox_trade_off_optimization
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| combustion_efficiency | Combustion Efficiency | INPUT | Combustion Efficiency |
| lambda_actual | Actual Excess Air Ratio (Lambda) | INPUT | Actual Excess Air Ratio (Lambda) |
| NOx_coeff | NOx Formation Coefficient | INPUT | NOx Formation Coefficient |
| CO_coeff | CO Formation Coefficient | INPUT | CO Formation Coefficient |
| lambda_ref | Reference Lambda for CO Suppression | INPUT | Reference Lambda for CO Suppression |
| result | Excess Air Lambda Sweep Evaluator Result | OUTPUT | Excess Air Lambda Sweep Evaluator Result |
Calculation Steps
- Enter the combustion efficiency in 1.
- Enter the actual excess air ratio (lambda) in 1.
- Enter the nox formation coefficient in 1.
- Enter the co formation coefficient in 1.
- Enter the reference lambda for co suppression in 1.
- Step 1: Compute excess air lambda sweep evaluator result.
- Read the excess air lambda sweep evaluator result (1) from the results.
Engineering Summary
Calculate Excess Air Lambda Sweep Evaluator for CO-NOx Trade-off Optimization
Frequently Asked Questions
What does this calculator calculate?
The Excess Air Lambda Sweep Evaluator for CO-NOx Trade-off Optimization Calculator estimates Excess Air Lambda Sweep Evaluator Result based on the input parameters you provide
Why is combustion efficiency important in this calculation?
combustion efficiency is directly proportional to excess air lambda sweep evaluator result. It is a key parameter in the engineering formula used by this calculator
How should I interpret the result excess air lambda sweep evaluator result?
The calculator outputs excess air lambda sweep evaluator result. The result is computed directly from the input values using the defined engineering formula
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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