// multi-utility computation suite · offline · instant · precise
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sci.pump-and-treat-capture-zone Calculator
Calculates the capture zone radius for a pump-and-treat remediation well from pumping rate, hydraulic conductivity, and background hydraulic gradient. Full capture requires pumping at Q > 2πKbiy to overcome natural gradient — the capture zone width = Q/(Kbi) at the stagnation point upgradient.
Inputs
Q M3 Day
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
V Gw M Day
Speed in a specified direction (m/s). Required for momentum, kinetic energy, and wave calculations.
B M
Perpendicular measurement through the material. For insulation: thicker is better. For beams: directly affects bending resistance.
N Por
Reference formula or conversion factor shown for context.
Results
maximum capture width W_max (m)
The largest value in the dataset or feasible range.
stagnation point distance x (m)
The computed distance or separation.
estimated flush time (days)
The computed duration or time value.
W = Q / (v × b)
Reference formula or conversion factor shown for context.
groundwater Darcy velocity (m/day)
The value at the specified point or condition.
pump-and-treat note
Supplementary information explaining an assumption, caveat, or important context for interpreting the result.