Stormwater Engineering

Retention Pond Evaporation and Infiltration Loss Adjuster Calculator

Retention Pond Evaporation and Infiltration Loss Adjuster engineering calculator.

Quick Answer

Calculate Retention Pond Evaporation and Infiltration Loss Adjuster

Calculator

Loss Adjuster (dimensionless)
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Result Interpretation

Retention Pond Evaporation and Infiltration Loss Adjuster Calculator computes Loss Adjuster in dimensionless using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Detention Time = 1
  • Runoff Depth = 0
  • Rainfall Depth = 50
  • Evaporation Rate = 2
  • Infiltration Rate = 3

Expected Result:

  • Loss Adjuster = 0.9

Engineering Interpretation:

Under the given input conditions, the calculated result is: Loss Adjuster = 0.9 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

loss adjuster = max(0.0, min(1.0, 1.0 - (evaporation rate * detention time + infiltration rate * detention time) / (rainfall depth + runoff depth)))

Formula family: formula_stormwater_retention_pond_evaporation_and_infiltration_loss_adjuster

Variables

SymbolLabelRoleDescription
evaporation_rate_mm_per_day Evaporation Rate INPUT Evaporation Rate
infiltration_rate_mm_per_day Infiltration Rate INPUT Infiltration Rate
detention_days Detention Time INPUT Detention Time
rainfall_depth_mm Rainfall Depth INPUT Rainfall Depth
runoff_depth_mm Runoff Depth INPUT Runoff Depth
result Loss Adjuster OUTPUT Loss Adjuster

Calculation Steps

  1. Enter the evaporation rate in mm/day.
  2. Enter the infiltration rate in mm/day.
  3. Enter the detention time in day.
  4. Enter the rainfall depth in mm.
  5. Enter the runoff depth in mm.
  6. Step 1: Compute loss adjuster.
  7. Read the loss adjuster (dimensionless) from the results.

Engineering Summary

Calculate Retention Pond Evaporation and Infiltration Loss Adjuster

Frequently Asked Questions

What does this calculator calculate?

The Retention Pond Evaporation and Infiltration Loss Adjuster Calculator estimates Loss Adjuster based on the input parameters you provide

Why is evaporation rate important in this calculation?

evaporation rate is directly proportional to loss adjuster. When you enter evaporation rate in mm/day, the calculator uses it in the engineering formula to compute the output

How should I interpret the result loss adjuster?

The calculator outputs loss adjuster 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: Evaporation Rate (mm/day), Infiltration Rate (mm/day), Detention Time (day), Rainfall Depth (mm), Runoff Depth (mm). 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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