Stormwater Engineering

Bioswale Pollutant Removal Efficiency Estimator for Stormwater Runoff Calculator

Bioswale Pollutant Removal Efficiency Estimator for Stormwater Runoff engineering calculator.

Quick Answer

Calculate Bioswale Pollutant Removal Efficiency Estimator for Stormwater Runoff

Calculator

Pollutant removal efficiency (dimensionless)
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Result Interpretation

Bioswale Pollutant Removal Efficiency Estimator for Stormwater Runoff Calculator computes Pollutant removal efficiency in dimensionless using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • First-order decay coefficient = 0.00015
  • Vegetation density coefficient = 1.2
  • Infiltration enhancement factor = 0.85
  • Hydraulic retention time = 360

Expected Result:

  • Pollutant removal efficiency = 0.053590567829681

Engineering Interpretation:

Under the given input conditions, the calculated result is: Pollutant removal efficiency = 0.053590567829681 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

pollutant removal efficiency = 1.0 - exp(-first-order decay coefficient * hydraulic retention time * vegetation density coefficient * infiltration enhancement factor)

Formula family: formula_stormwater_bioswale_pollutant_removal_efficiency_estimator

Variables

SymbolLabelRoleDescription
k First-order decay coefficient INPUT First-order decay coefficient
t_hrt Hydraulic retention time INPUT Hydraulic retention time
C_veg Vegetation density coefficient INPUT Vegetation density coefficient
f_inf Infiltration enhancement factor INPUT Infiltration enhancement factor
pollutant_removal_efficiency Pollutant removal efficiency OUTPUT Pollutant removal efficiency

Calculation Steps

  1. Enter the first-order decay coefficient in 1/s.
  2. Enter the hydraulic retention time in s.
  3. Enter the vegetation density coefficient in dimensionless.
  4. Enter the infiltration enhancement factor in dimensionless.
  5. Step 1: Compute pollutant removal efficiency.
  6. Read the pollutant removal efficiency (dimensionless) from the results.

Engineering Summary

Calculate Bioswale Pollutant Removal Efficiency Estimator for Stormwater Runoff

Frequently Asked Questions

What does this calculator calculate?

The Bioswale Pollutant Removal Efficiency Estimator for Stormwater Runoff Calculator estimates Pollutant removal efficiency based on the input parameters you provide

Why is first-order decay coefficient important in this calculation?

first-order decay coefficient is directly proportional to pollutant removal efficiency. When you enter first-order decay coefficient in 1/s, the calculator uses it in the engineering formula to compute the output

How should I interpret the result pollutant removal efficiency?

The calculator outputs pollutant removal efficiency 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: First-order decay coefficient (1/s), Hydraulic retention time (s), Vegetation density coefficient (dimensionless), Infiltration enhancement factor (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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