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Specify domain’s starting fluid composition on the Initial pane

Specify domain’s starting fluid composition on the Initial pane. Clean water. Start and end times of two reaction intervals. Inlet fluid enters the domain from t = 0 to 2 years. Inlet fluid carries Pb ++ pulse into the domain. Inlet 2 fluid enters the domain from t = 2 to 10 years.

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Specify domain’s starting fluid composition on the Initial pane

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  1. Specify domain’s starting fluid composition on the Initial pane Clean water Start and end times of two reaction intervals

  2. Inlet fluid enters the domain from t = 0 to 2 years Inlet fluid carries Pb++pulse into the domain

  3. Inlet 2 fluid enters the domain from t = 2 to 10 years Clean rinse water: negligible Pb++in the second inlet fluid

  4. Specify domain size, gridding, and flow rate on the Domain pane. Domain is 1 km long, divided into 400 nodal blocks Set flowrate for 1st and 2nd reaction intervals Set specific discharge or head drop

  5. Set various mass transport properties on the Medium pane. Porosity affects groundwater velocity. Used to calculate coefficient of hydrodynamic dispersion. Run → Go traces the model

  6. Pb++pulse transported through the domain by advection, dispersion, and diffusion.

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