Plate Settler Spacing Summer 2008 through Fall 2009
Spring 2010
Exploring the Effects of Velocity Gradients on Settler Performance
This page details the approach taken to differentiate the effects of velocity gradients from capture velocity for different tube diameter and lengths. This approach proved successful and subsequent experiments are based on these calculations
Exploring the Coupled Effects of Capture Velocity and Velocity Gradient on Settler Performance
This page details the initial approach taken by the team to design an experiment that would test floc roll-up. The team held the geometric similarity between tubes of different diameters in order to explore changes in residual turbidity caused by the capture velocity and velocity gradient.
Fall 2009
Experiments with Saturated Water Influent
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In current plant designs, head loss through the entrance ports in the sedimentation tank is much greater than the head loss from flow through the plate settlers. Because head loss through the ports is much greater than head loss through the plate settlers, flow through each of the plate settlers in plants in Honduras is not equal. A geotextile foam was placed on top of the plate settler to create head loss to equalize the flow.
Summer 2009 Research Plan
Spring 2009
Experiments with Flow Rates and Inner Tube Diameters
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Experiments exploring the rate of formation and density of floc blankets.
Fall 2008 Preliminary Testing
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