Quick Answer
Calculate First-Order Chlorine Residual Decay Rate in Water Distribution Pipes
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Find Engineering Solutions →Result Interpretation
First-Order Chlorine Residual Decay Rate in Water Distribution Pipes calculator computes Chlorine residual decay rate in s^-1 using the defined engineering formula and the input values provided. Chlorine residual decay rate is expressed in s^-1. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- Baseline decay coefficient at 20°C and pH 7 = 0.00012
- Water temperature = 20
- Water pH = 7.2
- Turbidity = 0.3
Expected Result:
- Chlorine residual decay rate = 0.000121269
Engineering Interpretation:
Under the given input conditions, the calculated result is: Chlorine residual decay rate = 0.000121269 s^-1.
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
chlorine residual decay rate = baseline decay coefficient at 20°c and water ph 7 * pow(water temperature, 1.047) * pow(water ph, -0.52) * pow(turbidity, 0.18)Formula family: formula_utilities_water_main_chlorine_residual_decay_minimum_booster_dosing_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| k_cl | Baseline decay coefficient at 20°C and pH 7 | INPUT | Baseline decay coefficient at 20°C and pH 7 |
| temp_c | Water temperature | INPUT | Water temperature |
| ph | Water pH | INPUT | Water pH |
| turbidity_ntu | Turbidity | INPUT | Turbidity |
| chlorine_residual_decay_rate | Chlorine residual decay rate | OUTPUT | Chlorine residual decay rate |
Calculation Steps
- Enter the baseline decay coefficient at 20°c and ph 7 in s^-1.
- Enter the water temperature in degC.
- Enter the water ph in dimensionless.
- Enter the turbidity in NTU.
- Step 1: Compute chlorine residual decay rate.
- Read the chlorine residual decay rate (s^-1) from the results.
Engineering Summary
Calculate First-Order Chlorine Residual Decay Rate in Water Distribution Pipes
Frequently Asked Questions
What does this calculator calculate?
The First-Order Chlorine Residual Decay Rate in Water Distribution Pipes calculator estimates Chlorine residual decay rate based on the input parameters you provide
Why is baseline decay coefficient at 20°c and ph 7 important in this calculation?
baseline decay coefficient at 20°c and ph 7 is directly proportional to chlorine residual decay rate. When you enter baseline decay coefficient at 20°c and ph 7 in s^-1, the calculator uses it in the engineering formula to compute the output
How should I interpret the result chlorine residual decay rate?
The calculator outputs chlorine residual decay rate in s^-1. 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: Baseline decay coefficient at 20°C and pH 7 (s^-1), Water temperature (degC), Water pH (dimensionless), Turbidity (NTU). 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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